21749490000

Names of 21749490000

• Cardinal: 21749490000 can be written as Twenty-one billion, seven hundred forty-nine million, four hundred ninety thousand.

Scientific notation

• Scientific notation: 2.174949 × 10¹⁰

Factors of 21749490000

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 138

Divisors of 21749490000

• Number of divisors d(n): 1200
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 14 15 16 18 19 20 21 23 24 25 28 30 35 36 38 40 42 45 46 48 50 56 57 60 63 69 70 72 75 76 79 80 84 90 92 95 100 105 112 114 115 120 125 126 133 138 140 144 150 152 158 161 168 171 175 180 184 190 200 207 210 225 228 230 237 240 250 252 266 276 280 285 300 304 315 316 322 336 342 345 350 360 368 375 380 395 399 400 414 420 437 450 456 460 474 475 483 500 504 525 532 552 553 560 570 575 600 625 630 632 644 665 684 690 700 711 720 750 760 790 798 805 828 840 855 874 875 900 912 920 948 950 966 1000 1008 1035 1050 1064 1104 1106 1125 1140 1150 1185 1197 1200 1250 1260 1264 1288 1311 1330 1368 1380 1400 1422 1425 1449 1500 1501 1520 1575 1580 1596 1610 1656 1659 1680 1710 1725 1748 1750 1800 1817 1840 1875 1896 1900 1932 1975 1995 2000 2070 2100 2128 2185 2212 2250 2280 2300 2370 2375 2394 2415 2500 2520 2576 2622 2625 2660 2736 2760 2765 2800 2844 2850 2875 2898 3000 3002 3059 3150 3160 3192 3220 3312 3318 3325 3420 3450 3496 3500 3555 3600 3634 3750 3792 3800 3864 3933 3950 3990 4025 4140 4200 4275 4370 4375 4424 4500 4503 4560 4600 4740 4750 4788 4830 4977 5000 5040 5175 5244 5250 5320 5451 5520 5530 5625 5688 5700 5750 5796 5925 5985 6000 6004 6118 6300 6320 6384 6440 6555 6636 6650 6840 6900 6992 7000 7110 7125 7245 7268 7500 7505 7600 7728 7866 7875 7900 7980 8050 8280 8295 8400 8550 8625 8740 8750 8848 9000 9006 9085 9177 9200 9480 9500 9576 9660 9875 9954 9975 10000 10350 10488 10500 10507 10640 10902 10925 11060 11250 11376 11400 11500 11592 11850 11875 11970 12008 12075 12236 12600 12719 12880 13110 13125 13272 13300 13509 13680 13800 13825 14000 14220 14250 14375 14490 14536 15000 15010 15295 15732 15750 15800 15960 16100 16353 16560 16590 16625 17100 17250 17480 17500 17775 18000 18012 18170 18354 18960 19000 19152 19320 19665 19750 19908 19950 20125 20700 20976 21000 21014 21375 21804 21850 22120 22500 22515 22800 23000 23184 23700 23750 23940 24016 24150 24472 24885 25200 25438 25875 26220 26250 26544 26600 27018 27255 27531 27600 27650 28440 28500 28750 28980 29072 29625 29925 30000 30020 30590 31464 31500 31521 31600 31920 32200 32706 32775 33180 33250 34200 34500 34523 34960 35000 35550 35625 36024 36225 36340 36708 37525 38000 38157 38640 39330 39375 39500 39816 39900 40250 41400 41475 42000 42028 42750 43125 43608 43700 44240 45000 45030 45425 45885 46000 47400 47500 47880 48300 48944 49375 49770 49875 50876 51750 52440 52500 52535 53200 54036 54510 54625 55062 55300 56880 57000 57500 57960 59250 59850 60040 60375 61180 62928 63000 63042 63595 64400 65412 65550 66360 66500 67545 68400 69000 69046 69125 70000 71100 71250 72048 72450 72680 73416 75050 76314 76475 78660 78750 79000 79632 79800 80500 81765 82800 82950 83125 84056 85500 86250 87216 87400 88875 90000 90060 90850 91770 94563 94800 95000 95760 96600 98325 98750 99540 99750 100625 101752 103500 103569 104880 105000 105070 106875 108072 109020 109250 110124 110600 112575 114000 114471 115000 115920 118500 119700 120080 120750 122360 124425 126000 126084 127190 129375 130824 131100 132720 133000 135090 136275 137655 138000 138092 138250 142200 142500 144900 145360 146832 148125 149625 150100 152628 152950 157320 157500 157605 158000 159600 161000 163530 163875 165900 166250 168112 171000 172500 172615 174800 177750 180120 181125 181700 183540 187625 189126 190000 190785 193200 196650 197500 199080 199500 201250 203504 207000 207138 207375 210000 210140 213750 216144 218040 218500 220248 221200 225150 227125 228942 229425 230000 237000 239400 241500 241661 244720 248850 249375 252168 254380 258750 261648 262200 262675 266000 270180 272550 273125 275310 276184 276500 284400 285000 289800 296250 299250 300200 301875 305256 305900 310707 314640 315000 315210 317975 322000 327060 327750 331800 332500 337725 342000 345000 345230 345625 355500 360240 362250 363400 367080 375250 378252 381570 382375 393300 395000 398160 399000 402500 408825 414000 414276 414750 420280 427500 436080 437000 440496 444375 450300 454250 457884 458850 472815 474000 478800 483000 483322 491625 497700 498750 504336 508760 517500 517845 524400 525350 540360 545100 546250 550620 552368 553000 562875 570000 572355 579600 592500 598500 600400 603750 610512 611800 621414 622125 630000 630420 635950 654120 655500 663600 665000 675450 681375 688275 690000 690460 691250 711000 724500 724983 726800 734160 748125 750500 756504 763140 764750 786600 788025 790000 798000 805000 817650 819375 828552 829500 840560 855000 863075 874000 888750 900600 905625 908500 915768 917700 938125 945630 953925 966000 966644 983250 995400 997500 1017520 1035000 1035690 1036875 1050700 1080720 1090200 1092500 1101240 1106000 1125750 1135625 1144710 1147125 1185000 1197000 1207500 1208305 1223600 1242828 1244250 1260840 1271900 1308240 1311000 1313375 1330000 1350900 1362750 1376550 1380920 1382500 1422000 1449000 1449966 1496250 1501000 1513008 1526280 1529500 1553535 1573200 1576050 1589875 1610000 1635300 1638750 1657104 1659000 1688625 1710000 1726150 1777500 1801200 1811250 1817000 1831536 1835400 1876250 1891260 1907850 1911875 1933288 1966500 1990800 1995000 2044125 2070000 2071380 2073750 2101400 2174949 2180400 2185000 2202480 2251500 2271250 2289420 2294250 2364075 2370000 2394000 2415000 2416610 2458125 2485656 2488500 2521680 2543800 2589225 2622000 2626750 2701800 2725500 2753100 2761840 2765000 2814375 2861775 2898000 2899932 2992500 3002000 3052560 3059000 3107070 3110625 3152100 3179750 3270600 3277500 3318000 3377250 3406875 3441375 3452300 3555000 3622500 3624915 3634000 3670800 3752500 3782520 3815700 3823750 3866576 3933000 3940125 3990000 4088250 4142760 4147500 4202800 4315375 4349898 4370000 4503000 4542500 4578840 4588500 4728150 4769625 4830000 4833220 4916250 4971312 4977000 5087600 5178450 5253500 5403600 5451000 5506200 5530000 5628750 5723550 5735625 5799864 5985000 6041525 6118000 6214140 6221250 6304200 6359500 6541200 6555000 6566875 6754500 6813750 6882750 6904600 7110000 7245000 7249830 7505000 7565040 7631400 7647500 7767675 7866000 7880250 7949375 8176500 8285520 8295000 8443125 8630750 8699796 9006000 9085000 9157680 9177000 9456300 9539250 9666440 9832500 9954000 10220625 10356900 10507000 10874745 10902000 11012400 11257500 11447100 11471250 11599728 11820375 11970000 12083050 12428280 12442500 12608400 12719000 12946125 13110000 13133750 13509000 13627500 13765500 13809200 14308875 14490000 14499660 15010000 15262800 15295000 15535350 15760500 15898750 16353000 16590000 16886250 17206875 17261500 17399592 18124575 18170000 18354000 18912600 19078500 19332880 19665000 19700625 20441250 20713800 21014000 21576875 21749490 22515000 22894200 22942500 23640750 23848125 24166100 24856560 24885000 25438000 25892250 26267500 27018000 27255000 27531000 28617750 28999320 30207625 30590000 31070700 31521000 31797500 32706000 33772500 34413750 34523000 34799184 36249150 37825200 38157000 38838375 39330000 39401250 40882500 41427600 43153750 43498980 45030000 45788400 45885000 47281500 47696250 48332200 49770000 51784500 52535000 54373725 54510000 55062000 57235500 57998640 59101875 60415250 62141400 63042000 63595000 64730625 67545000 68827500 69046000 71544375 72498300 76314000 77676750 78802500 81765000 86307500 86997960 90622875 91770000 94563000 95392500 96664400 103569000 105070000 108747450 114471000 118203750 120830500 124282800 127190000 129461250 135090000 137655000 143088750 144996600 151038125 155353500 157605000 163530000 172615000 173995920 181245750 189126000 190785000 194191875 207138000 217494900 228942000 236407500 241661000 258922500 271868625 275310000 286177500 289993200 302076250 310707000 315210000 345230000 362491500 381570000 388383750 434989800 453114375 472815000 483322000 517845000 543737250 572355000 604152500 621414000 724983000 776767500 869979600 906228750 945630000 1035690000 1087474500 1144710000 1208305000 1359343125 1449966000 1553535000 1812457500 2174949000 2416610000 2718686250 3107070000 3624915000 4349898000 5437372500 7249830000 10874745000 21749490000
• Sum of all divisors σ(n): 96689049600
• Sum of proper divisors (its aliquot sum) s(n): 74939559600
• 21749490000 is an abundant number, because the sum of its proper divisors (74939559600) is greater than itself. Its abundance is 53190069600

Bases of 21749490000

• Binary: 10100010000010111101110000101010000₂
• Hexadecimal: 0x5105EE150
• Base-36: 9ZP31W0

Squares and roots of 21749490000

• 21749490000 squared (21749490000²) is 473040315260100000000
• 21749490000 cubed (21749490000³) is 10288385606346392349000000000000
• The square root of 21749490000 is 147477.0829654561
• The cube root of 21749490000 is 2791.3632679361

Scales and comparisons

• 21,749,490,000 seconds is equal to 691 years, 29 weeks, 3 days, 5 hours.
• To count from 1 to 21,749,490,000 would take you about one thousand, three hundred eighty-three years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 21749490000 cubic inches would be around 232.6 feet tall.

Recreational maths with 21749490000

• 21749490000 backwards is 00009494712
• 21749490000 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21749490000's digits is 36
• More coming soon!