21312557070

Names of 21312557070

• Cardinal: 21312557070 can be written as Twenty-one billion, three hundred twelve million, five hundred fifty-seven thousand and seventy.

Scientific notation

• Scientific notation: 2.131255707 × 10¹⁰

Factors of 21312557070

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 607

Divisors of 21312557070

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 3 5 6 7 10 14 15 19 21 30 35 38 42 57 70 95 105 114 127 133 137 190 210 254 266 274 285 307 381 399 411 570 614 635 665 685 762 798 822 889 921 959 1270 1330 1370 1535 1778 1842 1905 1918 1995 2055 2149 2413 2603 2667 2877 3070 3810 3990 4110 4298 4445 4605 4795 4826 5206 5334 5754 5833 6447 7239 7809 8890 9210 9590 10745 11666 12065 12894 13015 13335 14385 14478 15618 16891 17399 17499 18221 21490 24130 26030 26670 28770 29165 32235 33782 34798 34998 36195 36442 38989 39045 40831 42059 50673 52197 54663 58330 64470 72390 77978 78090 81662 84118 84455 86995 87495 91105 101346 104394 109326 116967 121793 122493 126177 168910 173990 174990 182210 194945 204155 210295 233934 243586 244986 252354 253365 260985 272923 273315 294413 330581 365379 389890 408310 420590 506730 521970 545846 546630 584835 588826 608965 612465 630885 661162 730758 740791 799121 818769 883239 991743 1169670 1217930 1224930 1261770 1364615 1472065 1481582 1598242 1637538 1652905 1766478 1826895 1983486 2222373 2314067 2397363 2729230 2944130 3305810 3653790 3703955 3995605 4093845 4416195 4444746 4628134 4794726 4958715 5185537 5341493 5593847 6942201 7407910 7991210 8187690 8832390 9917430 10371074 10682986 11111865 11187694 11570335 11986815 13884402 15556611 16024479 16781541 22223730 23140670 23973630 25927685 26707465 27969235 31113222 32048958 33563082 34711005 37390451 51855370 53414930 55938470 69422010 74780902 77783055 80122395 83907705 101488367 112171353 155566110 160244790 167815410 186952255 202976734 224342706 304465101 373904510 507441835 560856765 608930202 710418569 1014883670 1121713530 1420837138 1522325505 2131255707 3044651010 3552092845 4262511414 7104185690 10656278535 21312557070
• Sum of all divisors σ(n): 62674698240
• Sum of proper divisors (its aliquot sum) s(n): 41362141170
• 21312557070 is an abundant number, because the sum of its proper divisors (41362141170) is greater than itself. Its abundance is 20049584100

Bases of 21312557070

• Binary: 10011110110010100111101000000001110₂
• Hexadecimal: 0x4F653D00E
• Base-36: 9SGY2A6

Squares and roots of 21312557070

• 21312557070 squared (21312557070²) is 454225088862006984900
• 21312557070 cubed (21312557070³) is 9680698128997345220419878243000
• The square root of 21312557070 is 145988.2086676865
• The cube root of 21312557070 is 2772.5444639411

Scales and comparisons

• 21,312,557,070 seconds is equal to 677 years, 35 weeks, 2 hours, 44 minutes, 30 seconds.
• To count from 1 to 21,312,557,070 would take you about one thousand, three hundred fifty-five 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 21312557070 cubic inches would be around 231 feet tall.

Recreational maths with 21312557070

• 21312557070 backwards is 07075521312
• The number of decimal digits it has is: 11
• The sum of 21312557070's digits is 33
• More coming soon!