21103664400

Names of 21103664400

• Cardinal: 21103664400 can be written as Twenty-one billion, one hundred three million, six hundred sixty-four thousand, four hundred.

Scientific notation

• Scientific notation: 2.11036644 × 10¹⁰

Factors of 21103664400

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 336

Divisors of 21103664400

• Number of divisors d(n): 960
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 13 14 15 16 18 20 21 24 25 26 27 28 30 35 36 39 40 42 45 48 50 52 54 56 60 63 65 70 72 75 78 80 84 90 91 100 104 105 108 109 112 117 120 126 130 135 140 144 150 156 168 175 180 182 189 195 197 200 208 210 216 218 225 234 240 252 260 270 273 280 300 312 315 325 327 336 350 351 360 364 378 390 394 400 420 432 436 450 455 468 504 520 525 540 545 546 560 585 591 600 624 630 650 654 675 700 702 720 728 756 763 780 788 819 840 872 900 910 936 945 975 981 985 1008 1040 1050 1080 1090 1092 1170 1182 1200 1260 1300 1308 1350 1365 1379 1400 1404 1417 1456 1512 1526 1560 1575 1576 1635 1638 1680 1744 1755 1773 1800 1820 1872 1890 1950 1962 1970 2100 2160 2180 2184 2275 2289 2340 2364 2457 2520 2561 2600 2616 2700 2725 2730 2758 2800 2808 2834 2925 2943 2955 3024 3052 3120 3150 3152 3270 3276 3510 3546 3600 3640 3780 3815 3900 3924 3940 4095 4137 4200 4251 4360 4368 4550 4578 4680 4725 4728 4905 4914 4925 5040 5122 5200 5232 5319 5400 5450 5460 5516 5616 5668 5850 5886 5910 6104 6300 6540 6552 6825 6867 6895 7020 7085 7092 7280 7560 7630 7683 7800 7848 7880 8175 8190 8274 8400 8502 8720 8775 8865 9100 9156 9360 9450 9456 9810 9828 9850 9919 10244 10638 10800 10900 10920 11032 11336 11445 11700 11772 11820 12208 12285 12411 12600 12753 12805 13080 13104 13650 13734 13790 14040 14170 14184 14715 14775 15120 15260 15366 15600 15696 15760 16350 16380 16548 17004 17550 17730 17927 18200 18312 18900 19075 19620 19656 19700 19838 20475 20488 20601 20685 21255 21276 21473 21800 21840 22064 22672 22890 23049 23400 23544 23640 24525 24570 24822 25200 25506 25610 26160 26595 27300 27468 27580 28080 28340 28368 29430 29550 29757 30520 30732 32700 32760 33096 34008 34335 34475 35100 35425 35460 35854 36400 36624 37233 37800 38150 38259 38415 39240 39312 39400 39676 40950 40976 41202 41370 42510 42552 42946 43600 44325 45780 46098 46800 47088 47280 49050 49140 49595 49644 51012 51220 53190 53781 54600 54936 55160 56680 57225 58860 59100 59514 61040 61425 61464 62055 63765 64025 64419 65400 65520 66192 68016 68670 68950 69147 70200 70850 70920 71708 73575 74466 75600 76300 76518 76830 78480 78800 79352 81900 82404 82740 85020 85104 85892 88650 89271 89635 91560 92196 98100 98280 99190 99288 102024 102440 103005 103425 106275 106380 107365 107562 109200 109872 110320 113360 114450 115245 117720 118200 119028 122850 122928 124110 127530 128050 128838 130800 132975 137340 137900 138294 140400 141700 141840 143416 147150 148785 148932 150311 152600 153036 153660 158704 161343 163800 164808 165480 170040 171675 171784 177300 178542 179270 183120 184392 186165 191295 192075 193257 196200 196560 198380 198576 204048 204880 206010 206850 212550 212760 214730 215124 228900 230490 235440 236400 238056 245700 247975 248220 255060 256100 257676 265950 267813 268905 274680 275800 276588 279149 283400 286832 294300 297570 297864 300622 305200 306072 307320 310275 318825 322095 322686 327600 329616 330960 340080 343350 343568 345735 354600 357084 358540 368784 372330 382590 384150 386514 392400 396760 412020 413700 425100 425520 429460 430248 446355 448175 450933 457800 460980 476112 484029 491400 495950 496440 510120 512200 515025 515352 531900 535626 536825 537810 549360 551600 553176 558298 566800 576225 579771 588600 595140 595728 601244 612144 614640 620550 637650 644190 645372 686700 691470 709200 714168 717080 743925 744660 751555 765180 768300 773028 793520 806715 824040 827400 837447 850200 858920 860496 892710 896350 901866 915600 921960 930825 956475 966285 968058 982800 991900 992880 1020240 1024400 1030050 1030704 1063800 1071252 1073650 1075620 1106352 1116596 1152450 1159542 1177200 1190280 1202488 1241100 1275300 1288380 1290744 1339065 1344525 1352799 1373400 1382940 1395745 1428336 1434160 1487850 1489320 1503110 1530360 1536600 1546056 1610475 1613430 1648080 1654800 1674894 1700400 1717840 1728675 1785420 1792700 1803732 1843920 1861650 1912950 1932570 1936116 1954043 1983800 2060100 2127600 2142504 2147300 2151240 2231775 2233192 2254665 2304900 2319084 2380560 2404976 2420145 2482200 2512341 2550600 2576760 2581488 2678130 2689050 2705598 2746800 2765880 2791490 2898855 2975700 2978640 3006220 3060720 3073200 3092112 3220950 3226860 3349788 3457350 3570840 3585400 3607464 3723300 3757775 3825900 3865140 3872232 3908086 3967600 4033575 4058397 4120200 4187235 4285008 4294600 4302480 4463550 4466384 4509330 4609800 4638168 4831425 4840290 4964400 5024682 5101200 5153520 5356260 5378100 5411196 5531760 5582980 5797710 5862129 5951400 6012440 6441900 6453720 6695325 6699576 6763995 6914700 6978725 7141680 7170800 7214928 7446600 7515550 7537023 7651800 7730280 7744464 7816172 8067150 8116794 8240400 8374470 8589200 8927100 9018660 9219600 9276336 9662850 9680580 9770215 10049364 10712520 10756200 10822392 11165960 11273325 11595420 11724258 11902800 12024880 12100725 12561705 12883800 12907440 13390650 13399152 13527990 13829400 13957450 14494275 14893200 15031100 15074046 15303600 15460560 15632344 16134300 16233588 16748940 17586387 17854200 18037320 19325700 19361160 19540430 20098728 20291985 20936175 21425040 21512400 21644784 22331920 22546650 23190840 23448516 24201450 25123410 25767600 26781300 27055980 27658800 27914900 28988550 29310645 30062200 30148092 31264688 32268600 32467176 33497880 33819975 35172774 35708400 36074640 37685115 38651400 38722320 39080860 40197456 40583970 41872350 45093300 46381680 46897032 48402900 48851075 50246820 52759161 53562600 54111960 55829800 57977100 58621290 60124400 60296184 62808525 64537200 64934352 66995760 67639950 70345548 75370230 77302800 78161720 81167940 83744700 87931935 90186600 93794064 96805800 97702150 100493640 101459925 105518322 107125200 108223920 111659600 115954200 117242580 120592368 125617050 135279900 140691096 146553225 150740460 156323440 162335880 167489400 175863870 180373200 188425575 193611600 195404300 200987280 202919850 211036644 231908400 234485160 251234100 263795805 270559800 281382192 293106450 301480920 324671760 334978800 351727740 376851150 390808600 405839700 422073288 439659675 468970320 502468200 527591610 541119600 586212900 602961840 703455480 753702300 781617200 811679400 844146576 879319350 1004936400 1055183220 1172425800 1318979025 1406910960 1507404600 1623358800 1758638700 2110366440 2344851600 2637958050 3014809200 3517277400 4220732880 5275916100 7034554800 10551832200 21103664400
• Sum of all divisors σ(n): 93768998400
• Sum of proper divisors (its aliquot sum) s(n): 72665334000
• 21103664400 is an abundant number, because the sum of its proper divisors (72665334000) is greater than itself. Its abundance is 51561669600

Bases of 21103664400

• Binary: 10011101001111000000101110100010000₂
• Hexadecimal: 0x4E9E05D10
• Base-36: 9P0KRO0

Squares and roots of 21103664400

• 21103664400 squared (21103664400²) is 445364651107827360000
• 21103664400 cubed (21103664400³) is 9398826132602676818577984000000
• The square root of 21103664400 is 145271.0033007275
• The cube root of 21103664400 is 2763.4564446139

Scales and comparisons

• 21,103,664,400 seconds is equal to 671 years, 1 week, 4 days, 9 hours.
• To count from 1 to 21,103,664,400 would take you about one thousand, three hundred forty-two 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 21103664400 cubic inches would be around 230.3 feet tall.

Recreational maths with 21103664400

• 21103664400 backwards is 00446630112
• 21103664400 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21103664400's digits is 27
• More coming soon!