21072629136

Names of 21072629136

• Cardinal: 21072629136 can be written as Twenty-one billion, seventy-two million, six hundred twenty-nine thousand, one hundred thirty-six.

Scientific notation

• Scientific notation: 2.1072629136 × 10¹⁰

Factors of 21072629136

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 600

Divisors of 21072629136

• Number of divisors d(n): 320
• Complete list of divisors:
  1 2 3 4 6 8 12 13 16 19 24 26 29 38 39 48 52 57 58 76 78 87 104 114 116 152 156 167 174 208 228 232 247 304 312 334 348 367 377 456 464 494 501 551 624 668 696 734 741 754 912 988 1002 1101 1102 1131 1336 1392 1468 1482 1508 1653 1976 2004 2171 2202 2204 2262 2672 2936 2964 3016 3173 3306 3952 4008 4342 4404 4408 4524 4771 4843 5872 5928 6032 6346 6513 6612 6973 7163 8016 8684 8808 8816 9048 9519 9542 9686 10643 11856 12692 13026 13224 13946 14313 14326 14529 17368 17616 18096 19038 19084 19372 20919 21286 21489 25384 26052 26448 27892 28626 28652 29058 31929 34736 38076 38168 38744 41249 41838 42572 42978 50768 52104 55784 57252 57304 58116 61289 62959 63858 76152 76336 77488 82498 83676 85144 85956 90649 92017 104208 111568 114504 114608 116232 122578 123747 125918 127716 138359 152304 164996 167352 170288 171912 181298 183867 184034 188877 202217 229008 232464 245156 247494 251836 255432 271947 276051 276718 329992 334704 343824 362596 367734 368068 377754 404434 415077 490312 494988 503672 510864 543894 552102 553436 606651 659984 725192 735468 736136 755508 796757 808868 830154 980624 989976 1007344 1087788 1104204 1106872 1164491 1196221 1213302 1450384 1470936 1472272 1511016 1593514 1617736 1660308 1777381 1979952 2175576 2208408 2213744 2328982 2390271 2392442 2426604 2628821 2941872 3022032 3187028 3235472 3320616 3493473 3554762 3588663 4351152 4416816 4657964 4780542 4784884 4853208 5257642 5332143 6374056 6641232 6986946 7109524 7177326 7886463 9315928 9561084 9569768 9706416 10515284 10664286 12748112 13973892 14219048 14354652 15138383 15772926 18631856 19122168 19139536 21030568 21328572 23105953 27947784 28438096 28709304 30276766 31545852 33770239 38244336 42061136 42657144 45415149 46211906 55895568 57418608 60553532 63091704 67540478 69317859 85314288 90830298 92423812 101310717 121107064 126183408 135080956 138635718 181660596 184847624 202621434 242214128 270161912 277271436 363321192 369695248 405242868 439013107 540323824 554542872 726642384 810485736 878026214 1109085744 1317039321 1620971472 1756052428 2634078642 3512104856 5268157284 7024209712 10536314568 21072629136
• Sum of all divisors σ(n): 64395878400
• Sum of proper divisors (its aliquot sum) s(n): 43323249264
• 21072629136 is an abundant number, because the sum of its proper divisors (43323249264) is greater than itself. Its abundance is 22250620128

Bases of 21072629136

• Binary: 10011101000000001101100110110010000₂
• Hexadecimal: 0x4E806CD90
• Base-36: 9OI3KPC

Squares and roots of 21072629136

• 21072629136 squared (21072629136²) is 444055698703396106496
• 21072629136 cubed (21072629136³) is 9357421054504022215896568467456
• The square root of 21072629136 is 145164.1454905445
• The cube root of 21072629136 is 2762.1011242743

Scales and comparisons

• 21,072,629,136 seconds is equal to 670 years, 2 weeks, 2 days, 4 hours, 5 minutes, 36 seconds.
• To count from 1 to 21,072,629,136 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 21072629136 cubic inches would be around 230.2 feet tall.

Recreational maths with 21072629136

• 21072629136 backwards is 63192627012
• 21072629136 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21072629136's digits is 39
• More coming soon!