21072421607475

Names of 21072421607475

• Cardinal: 21072421607475 can be written as Twenty-one trillion, seventy-two billion, four hundred twenty-one million, six hundred seven thousand, four hundred seventy-five.

Scientific notation

• Scientific notation: 2.1072421607475 × 10¹³

Factors of 21072421607475

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 5893

Divisors of 21072421607475

• Number of divisors d(n): 192
• Complete list of divisors:
  1 3 5 7 15 21 25 31 35 75 93 105 155 175 217 421 465 525 643 651 775 1085 1263 1929 2105 2325 2947 3215 3255 4501 4783 5425 6315 8841 9645 10525 13051 13503 14349 14735 16075 16275 19933 22505 23915 31575 33481 39153 44205 48225 59799 65255 67515 71745 73675 91357 99665 100443 112525 119575 139531 148273 167405 195765 221025 270703 274071 298995 326275 337575 358725 418593 444819 456785 498325 502215 697655 741365 812109 837025 978825 1037911 1353515 1370355 1494975 1894921 2013643 2092965 2224095 2283925 2511075 3075469 3113733 3488275 3706825 4060545 5189555 5684763 6040929 6767575 6851775 8391793 9226407 9474605 10068215 10464825 11120475 14095501 15377345 15568665 20302725 21528283 25175379 25947775 28423815 30204645 41958965 42286503 46132035 47373025 50341075 58742551 62422933 64584849 70477505 76886725 77843325 95339539 107641415 125876895 142119075 151023225 176227653 187268799 209794825 211432515 230660175 286018617 293712755 312114665 322924245 352387525 436960531 476697695 538207075 629384475 667376773 881138265 936343995 1057162575 1294772449 1310881593 1430093085 1468563775 1560573325 1614621225 2002130319 2184802655 2383488475 3336883865 3884317347 4405691325 4681719975 6473862245 6554407965 7150465425 9063407143 10010651595 10924013275 16684419325 19421586735 27190221429 32369311225 32772039825 40137945919 45317035715 50053257975 97107933675 120413837757 135951107145 200689729595 226585178575 280965621433 602069188785 679755535725 842896864299 1003448647975 1404828107165 3010345943925 4214484321495 7024140535825 21072421607475
• Sum of all divisors σ(n): 41271584227328
• Sum of proper divisors (its aliquot sum) s(n): 20199162619853
• 21072421607475 is a deficient number, because the sum of its proper divisors (20199162619853) is less than itself. Its deficiency is 873258987622

Bases of 21072421607475

• Binary: 100110010101001001110001101000101100000110011₂
• Hexadecimal: 0x132A4E345833
• Base-36: 7GWJBR1O3

Squares and roots of 21072421607475

• 21072421607475 squared (21072421607475²) is 444046952403179262975875625
• 21072421607475 cubed (21072421607475³) is 9357144594554177579018686789908170296875
• The square root of 21072421607475 is 4590470.7392025711
• The cube root of 21072421607475 is 27620.9205695685

Scales and comparisons

• 21,072,421,607,475 seconds is equal to 670,037 years, 42 weeks, 6 days, 14 hours, 31 minutes, 15 seconds.
• To count from 1 to 21,072,421,607,475 would take you about one million, six hundred seventy-five thousand and ninety-four 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 21072421607475 cubic inches would be around 2301.7 feet tall.

Recreational maths with 21072421607475

• 21072421607475 backwards is 57470612427012
• The number of decimal digits it has is: 14
• The sum of 21072421607475's digits is 48
• More coming soon!