21531248960

Names of 21531248960

• Cardinal: 21531248960 can be written as Twenty-one billion, five hundred thirty-one million, two hundred forty-eight thousand, nine hundred sixty.

Scientific notation

• Scientific notation: 2.153124896 × 10¹⁰

Factors of 21531248960

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 307

Divisors of 21531248960

• Number of divisors d(n): 336
• Complete list of divisors:
  1 2 4 5 8 10 13 16 20 26 32 40 43 47 52 64 65 80 86 94 104 130 160 169 172 188 197 208 215 235 260 320 338 344 376 394 416 430 470 520 559 611 676 688 752 788 832 845 860 940 985 1040 1118 1222 1352 1376 1504 1576 1690 1720 1880 1970 2021 2080 2236 2444 2561 2704 2752 2795 3008 3055 3152 3380 3440 3760 3940 4042 4160 4472 4888 5122 5408 5590 6110 6304 6760 6880 7267 7520 7880 7943 8084 8471 8944 9259 9776 10105 10244 10816 11180 12220 12608 12805 13520 13760 14534 15040 15760 15886 16168 16942 17888 18518 19552 20210 20488 22360 24440 25610 26273 27040 29068 31520 31772 32336 33293 33884 35776 36335 37036 39104 39715 40420 40976 42355 44720 46295 48880 51220 52546 54080 58136 63040 63544 64672 66586 67768 72670 74072 79430 80840 81952 84710 89440 92590 97760 102440 105092 110123 116272 120367 127088 129344 131365 133172 135536 145340 148144 158860 161680 163904 166465 169420 178880 185180 195520 204880 210184 220246 232544 240734 254176 262730 266344 271072 290680 296288 317720 323360 332930 338840 341549 370360 398137 409760 420368 440492 465088 481468 508352 525460 532688 542144 550615 581360 592576 601835 635440 646720 665860 677680 683098 740720 796274 819520 840736 880984 962936 1050920 1065376 1101230 1162720 1203670 1270880 1331720 1355360 1366196 1431599 1481440 1564771 1592548 1681472 1707745 1761968 1925872 1990685 2101840 2130752 2202460 2325440 2407340 2541760 2663440 2710720 2732392 2863198 2962880 3129542 3185096 3415490 3523936 3851744 3981370 4203680 4404920 4814680 5175781 5326880 5464784 5726396 6259084 6370192 6830980 7047872 7157995 7703488 7823855 7962740 8407360 8809840 9629360 10351562 10653760 10929568 11452792 12518168 12740384 13661960 14315990 15647710 15925480 17619680 19258720 20703124 21859136 22905584 25036336 25480768 25878905 27323920 28631980 31295420 31850960 35239360 38517440 41406248 45811168 50072672 51757810 54647840 57263960 62590840 63701920 67285153 82812496 91622336 100145344 103515620 109295680 114527920 125181680 127403840 134570306 165624992 207031240 229055840 250363360 269140612 331249984 336425765 414062480 458111680 500726720 538281224 672851530 828124960 1076562448 1345703060 1656249920 2153124896 2691406120 4306249792 5382812240 10765624480 21531248960
• Sum of all divisors σ(n): 58312970496
• Sum of proper divisors (its aliquot sum) s(n): 36781721536
• 21531248960 is an abundant number, because the sum of its proper divisors (36781721536) is greater than itself. Its abundance is 15250472576

Bases of 21531248960

• Binary: 10100000011010111001100100101000000₂
• Hexadecimal: 0x5035CC940
• Base-36: 9W35E0W

Squares and roots of 21531248960

• 21531248960 squared (21531248960²) is 463594681777501081600
• 21531248960 cubed (21531248960³) is 9981772509883351114598875136000
• The square root of 21531248960 is 146735.3023644957
• The cube root of 21531248960 is 2781.9953998817

Scales and comparisons

• 21,531,248,960 seconds is equal to 684 years, 32 weeks, 4 days, 6 hours, 29 minutes, 20 seconds.
• To count from 1 to 21,531,248,960 would take you about one thousand, three hundred sixty-nine 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 21531248960 cubic inches would be around 231.8 feet tall.

Recreational maths with 21531248960

• 21531248960 backwards is 06984213512
• The number of decimal digits it has is: 11
• The sum of 21531248960's digits is 41
• More coming soon!