21434966142941664

Names of 21434966142941664

• Cardinal: 21434966142941664 can be written as Twenty-one quadrillion, four hundred thirty-four trillion, nine hundred sixty-six billion, one hundred forty-two million, nine hundred forty-one thousand, six hundred sixty-four.

Scientific notation

• Scientific notation: 2.1434966142941664 × 10¹⁶

Factors of 21434966142941664

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 21716189

Divisors of 21434966142941664

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 32 36 48 72 96 144 288 4264823 8529646 12794469 17059292 17451361 25588938 34118584 34902722 38383407 51177876 52354083 68237168 69805444 76766814 102355752 104708166 136474336 139610888 153533628 157062249 204711504 209416332 279221776 307067256 314124498 409423008 418832664 558443552 614134512 628248996 837665328 1228269024 1256497992 1675330656 2512995984 5025991968 74426965774103 148853931548206 223280897322309 297707863096412 446561794644618 595415726192824 669842691966927 893123589289236 1190831452385648 1339685383933854 1786247178578472 2381662904771296 2679370767867708 3572494357156944 5358741535735416 7144988714313888 10717483071470832 21434966142941664
• Sum of all divisors σ(n): 60955702754545872
• Sum of proper divisors (its aliquot sum) s(n): 39520736611604208
• 21434966142941664 is an abundant number, because the sum of its proper divisors (39520736611604208) is greater than itself. Its abundance is 18085770468662544

Bases of 21434966142941664

• Binary: 1001100001001101111110011110110101110001111100111100000₂
• Hexadecimal: 0x4C26FCF6B8F9E0
• Base-36: 5V227I72YG0

Squares and roots of 21434966142941664

• 21434966142941664 squared (21434966142941664²) is 459457773549055436079167307088896
• 21434966142941664 cubed (21434966142941664³) is 9848461820135361293309294197163855347221790162944
• The square root of 21434966142941664 is 146406851.4207639943
• The cube root of 21434966142941664 is 277784.2387724119

Scales and comparisons

• 21,434,966,142,941,664 seconds is equal to 681,565,620 years, 33 weeks, 2 days, 16 hours, 14 minutes, 24 seconds.
• To count from 1 to 21,434,966,142,941,664 would take you about two billion, forty-four million, six hundred ninety-six thousand, eight hundred sixty-one 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 21434966142941664 cubic inches would be around 23148.7 feet tall.

Recreational maths with 21434966142941664

• 21434966142941664 backwards is 46614924166943412
• 21434966142941664 is a Harshad number.
• The number of decimal digits it has is: 17
• The sum of 21434966142941664's digits is 72
• More coming soon!