21071860320

Names of 21071860320

• Cardinal: 21071860320 can be written as Twenty-one billion, seventy-one million, eight hundred sixty thousand, three hundred twenty.

Scientific notation

• Scientific notation: 2.107186032 × 10¹⁰

Factors of 21071860320

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 299

Divisors of 21071860320

• Number of divisors d(n): 768
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 12 14 15 16 19 20 21 23 24 28 30 32 35 38 40 42 46 48 56 57 60 69 70 76 80 84 92 95 96 105 112 113 114 115 120 127 133 138 140 152 160 161 168 184 190 210 224 226 228 230 240 254 266 276 280 285 304 322 336 339 345 368 380 381 399 420 437 452 456 460 480 483 508 532 552 560 565 570 608 635 644 665 672 678 690 736 760 762 791 798 805 840 874 889 904 912 920 966 1016 1064 1104 1120 1130 1140 1270 1288 1311 1330 1356 1380 1520 1524 1582 1596 1610 1680 1695 1748 1778 1808 1824 1840 1905 1932 1995 2032 2128 2147 2185 2208 2260 2280 2373 2413 2415 2540 2576 2599 2622 2660 2667 2712 2760 2921 3040 3048 3059 3164 3192 3220 3360 3390 3496 3556 3616 3680 3810 3864 3955 3990 4064 4256 4294 4370 4445 4520 4560 4746 4826 4830 5080 5152 5198 5244 5320 5334 5424 5520 5842 6096 6118 6328 6384 6440 6441 6555 6780 6992 7112 7239 7620 7728 7797 7910 7980 8588 8740 8763 8890 9040 9120 9177 9492 9652 9660 10160 10396 10488 10640 10668 10735 10848 11040 11684 11865 12065 12192 12236 12656 12768 12880 12882 12995 13110 13335 13560 13984 14224 14351 14478 14605 15029 15240 15295 15456 15594 15820 15960 16891 17176 17480 17526 17780 18080 18193 18354 18984 19304 19320 20320 20447 20792 20976 21280 21336 21470 23368 23730 24130 24472 25312 25760 25764 25990 26220 26670 27120 28448 28702 28956 29210 30058 30480 30590 31188 31640 31920 32205 33782 34352 34960 35052 35560 36195 36386 36708 37968 38608 38640 38985 40894 41584 41952 42672 42940 43053 43815 45087 45885 46736 47460 48260 48944 49381 50673 51528 51980 52440 53340 54240 54579 55499 57404 57912 58420 60116 60960 61180 61341 62376 63280 63840 64410 67564 68704 69920 70104 71120 71755 72390 72772 73416 75145 75936 77216 77280 77970 81788 83168 84455 85344 85880 86106 87630 90174 90965 91770 93472 94920 96520 97888 98762 100457 101346 102235 103056 103960 104880 106680 109158 110998 114808 115824 116840 120232 122360 122682 124752 126560 128820 135128 140208 142240 143510 144780 145544 146832 148143 150290 155940 163576 166497 168910 171760 172212 175260 180348 181930 183540 189840 193040 197524 200914 202692 204470 206112 207920 209760 213360 215265 218316 221996 225435 229616 231648 233680 240464 244720 245364 246905 249504 253365 257640 270256 272669 272895 277495 280416 287020 289560 291088 293664 296286 300580 301371 306705 311880 327152 330073 332994 337820 343520 344424 345667 350520 360696 363860 367080 379680 386080 388493 395048 401828 405384 408940 415840 426720 430530 436632 443992 450870 459232 467360 480928 489440 490728 493810 502285 506730 515280 540512 545338 545790 554990 574040 579120 582176 592572 601160 602742 613410 623760 654304 660146 665988 675640 688848 691334 701040 721392 727720 734160 740715 776986 790096 803656 810768 817880 818007 832485 861060 873264 887984 901740 981456 987620 990219 1004570 1013460 1030560 1037001 1090676 1091580 1109980 1148080 1158240 1165479 1185144 1202320 1205484 1226820 1247520 1320292 1331976 1351280 1363345 1377696 1382668 1402080 1442784 1455440 1468320 1481430 1506855 1553972 1580192 1607312 1621536 1635760 1636014 1650365 1664970 1722120 1728335 1746528 1775968 1803480 1908683 1942465 1962912 1975240 1980438 2009140 2026920 2074002 2181352 2183160 2219960 2296160 2310511 2330958 2370288 2404640 2410968 2453640 2640584 2663952 2702560 2726690 2765336 2910880 2962860 3013710 3107944 3214624 3271520 3272028 3300730 3329940 3444240 3456670 3606960 3817366 3884930 3950480 3960876 4018280 4053840 4090035 4148004 4362704 4366320 4439920 4621022 4661916 4740576 4821936 4907280 4951095 5185005 5281168 5327904 5453380 5530672 5726049 5827395 5925720 6027420 6215888 6271387 6544056 6601460 6659880 6888480 6913340 6931533 7213920 7634732 7769860 7900960 7921752 8036560 8107680 8180070 8296008 8725408 8732640 8879840 9242044 9323832 9543415 9643872 9814560 9902190 10370010 10562336 10906760 11061344 11452098 11552555 11654790 11851440 12054840 12431776 12542774 13088112 13202920 13319760 13826680 13863066 15269464 15539720 15843504 16073120 16360140 16592016 18484088 18647664 18814161 19086830 19804380 20740020 21813520 22904196 23105110 23309580 23702880 24109680 25085548 26176224 26405840 26639520 27653360 27726132 28630245 30538928 31079440 31356935 31687008 32720280 33184032 34657665 36968176 37295328 37628322 38173660 39608760 41480040 43627040 43899709 45808392 46210220 46619160 48219360 50171096 52811680 55306720 55452264 57260490 61077856 62158880 62713870 65440560 69315330 73936352 75256644 76347320 79217520 82960080 87799418 91616784 92420440 93238320 94070805 100342192 110904528 114520980 125427740 130881120 131699127 138630660 150513288 152694640 158435040 165920160 175598836 183233568 184840880 186476640 188141610 200684384 219498545 221809056 229041960 250855480 263398254 277261320 301026576 305389280 351197672 369681760 376283220 438997090 458083920 501710960 526796508 554522640 602053152 658495635 702395344 752566440 877994180 916167840 1003421920 1053593016 1109045280 1316991270 1404790688 1505132880 1755988360 2107186032 2633982540 3010265760 3511976720 4214372064 5267965080 7023953440 10535930160 21071860320
• Sum of all divisors σ(n): 84722319360
• Sum of proper divisors (its aliquot sum) s(n): 63650459040
• 21071860320 is an abundant number, because the sum of its proper divisors (63650459040) is greater than itself. Its abundance is 42578598720

Bases of 21071860320

• Binary: 10011100111111110110001001001100000₂
• Hexadecimal: 0x4E7FB1260
• Base-36: 9OHN3HC

Squares and roots of 21071860320

• 21071860320 squared (21071860320²) is 444023297345590502400
• 21071860320 cubed (21071860320³) is 9356396900492109834491424768000
• The square root of 21071860320 is 145161.4973744759
• The cube root of 21071860320 is 2762.0675329373

Scales and comparisons

• 21,071,860,320 seconds is equal to 670 years, 1 week, 6 hours, 32 minutes.
• To count from 1 to 21,071,860,320 would take you about one thousand, three hundred forty 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 21071860320 cubic inches would be around 230.2 feet tall.

Recreational maths with 21071860320

• 21071860320 backwards is 02306817012
• 21071860320 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21071860320's digits is 30
• More coming soon!