21237800220

Names of 21237800220

• Cardinal: 21237800220 can be written as Twenty-one billion, two hundred thirty-seven million, eight hundred thousand, two hundred twenty.

Scientific notation

• Scientific notation: 2.123780022 × 10¹⁰

Factors of 21237800220

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 4056

Divisors of 21237800220

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 5 6 7 9 10 12 13 14 15 18 20 21 26 28 30 35 36 39 42 45 52 60 63 65 70 78 84 90 91 105 117 126 130 140 156 180 182 195 210 234 252 260 273 315 353 364 390 420 455 468 546 585 630 706 780 819 910 1059 1092 1170 1260 1365 1412 1638 1765 1820 2118 2340 2471 2730 3177 3276 3530 3673 4095 4236 4589 4942 5295 5460 6354 7060 7346 7413 8190 9178 9884 10590 11019 12355 12708 13767 14692 14826 15885 16380 18356 18365 21180 22038 22239 22945 24710 25711 27534 29652 31770 32123 33057 36730 37065 41301 44076 44478 45890 47749 49420 51422 55068 55095 63540 64246 66114 68835 73460 74130 77133 82602 88956 91780 95498 96369 102844 110190 111195 128492 128555 132228 137670 143247 148260 154266 160615 165204 165285 190996 192738 206505 220380 222390 231399 238745 257110 275340 286494 289107 308532 321230 330570 334243 385476 385665 413010 429741 444780 462798 477490 481845 514220 572988 578214 642460 661140 668486 716235 771330 826020 859482 925596 954980 963690 1002729 1156428 1156995 1296569 1336972 1432470 1445535 1542660 1671215 1718964 1927380 2005458 2148705 2313990 2593138 2864940 2891070 3008187 3342430 3889707 4010916 4297410 4627980 5013645 5186276 5782140 6016374 6482845 6684860 7779414 8594820 9075983 10027290 11669121 12032748 12965690 15040935 15558828 16855397 18151966 19448535 20054580 23338242 25931380 27227949 30081870 33710794 36303932 38897070 45379915 46676484 50566191 54455898 58345605 60163740 67421588 77794140 81683847 84276985 90759830 101132382 108911796 116691210 117987779 136139745 151698573 163367694 168553970 181519660 202264764 233382420 235975558 252830955 272279490 303397146 326735388 337107940 353963337 408419235 471951116 505661910 544558980 589938895 606794292 707926674 758492865 816838470 1011323820 1061890011 1179877790 1415853348 1516985730 1633676940 1769816685 2123780022 2359755580 3033971460 3539633370 4247560044 5309450055 7079266740 10618900110 21237800220
• Sum of all divisors σ(n): 79534046592
• Sum of proper divisors (its aliquot sum) s(n): 58296246372
• 21237800220 is an abundant number, because the sum of its proper divisors (58296246372) is greater than itself. Its abundance is 37058446152

Bases of 21237800220

• Binary: 10011110001110111110001110100011100₂
• Hexadecimal: 0x4F1DF1D1C
• Base-36: 9R8FRJ0

Squares and roots of 21237800220

• 21237800220 squared (21237800220²) is 451044158184632048400
• 21237800220 cubed (21237800220³) is 9579185721923293318128570648000
• The square root of 21237800220 is 145731.9464633615
• The cube root of 21237800220 is 2769.2989672057

Scales and comparisons

• 21,237,800,220 seconds is equal to 675 years, 15 weeks, 2 days, 20 hours, 57 minutes.
• To count from 1 to 21,237,800,220 would take you about one thousand, three hundred fifty 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 21237800220 cubic inches would be around 230.8 feet tall.

Recreational maths with 21237800220

• 21237800220 backwards is 02200873212
• The number of decimal digits it has is: 11
• The sum of 21237800220's digits is 27
• More coming soon!