21427620023691

Names of 21427620023691

• Cardinal: 21427620023691 can be written as Twenty-one trillion, four hundred twenty-seven billion, six hundred twenty million, twenty-three thousand, six hundred ninety-one.

Scientific notation

• Scientific notation: 2.1427620023691 × 10¹³

Factors of 21427620023691

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 71941

Divisors of 21427620023691

• Number of divisors d(n): 80
• Complete list of divisors:
  1 3 7 9 21 27 43 63 81 129 189 301 387 567 903 1161 2709 3483 8127 15619 24381 46857 56269 109333 140571 168807 327999 393883 421713 506421 671617 983997 1181649 1265139 1519263 2014851 2419567 2951991 3544947 4557789 4701319 6044553 7258701 8855973 10634841 14103957 16936969 18133659 21776103 31904523 42311871 50810907 54400977 65328309 126935613 152432721 195984927 380806839 457298163 878865511 1371894489 2636596533 6152058577 7909789599 18456175731 23729368797 37791216973 55368527193 71188106391 113373650919 166105581579 264538518811 340120952757 498316744737 793615556433 1020362858271 2380846669299 3061088574813 7142540007897 21427620023691
• Sum of all divisors σ(n): 37435701740800
• Sum of proper divisors (its aliquot sum) s(n): 16008081717109
• 21427620023691 is a deficient number, because the sum of its proper divisors (16008081717109) is less than itself. Its deficiency is 5419538306582

Bases of 21427620023691

• Binary: 100110111110100000001101011100000110110001011₂
• Hexadecimal: 0x137D01AE0D8B
• Base-36: 7LFPNPTOR

Squares and roots of 21427620023691

• 21427620023691 squared (21427620023691²) is 459142899879683491401263481
• 21427620023691 cubed (21427620023691³) is 9838339595197458015069122985532553128371
• The square root of 21427620023691 is 4628997.7342499315
• The cube root of 21427620023691 is 27775.2501387575

Scales and comparisons

• 21,427,620,023,691 seconds is equal to 681,332 years, 1 week, 6 days, 9 hours, 14 minutes, 51 seconds.
• To count from 1 to 21,427,620,023,691 would take you about one million, seven hundred three thousand, three hundred thirty 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 21427620023691 cubic inches would be around 2314.6 feet tall.

Recreational maths with 21427620023691

• 21427620023691 backwards is 19632002672412
• The number of decimal digits it has is: 14
• The sum of 21427620023691's digits is 45
• More coming soon!