21317168016

Names of 21317168016

• Cardinal: 21317168016 can be written as Twenty-one billion, three hundred seventeen million, one hundred sixty-eight thousand and sixteen.

Scientific notation

• Scientific notation: 2.1317168016 × 10¹⁰

Factors of 21317168016

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 28

Divisors of 21317168016

• Number of divisors d(n): 105
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 23 24 36 46 48 69 72 92 138 144 184 207 276 368 414 529 552 828 1058 1104 1587 1656 2116 3174 3312 4232 4761 6348 8464 9522 12167 12696 19044 24334 25392 36501 38088 48668 73002 76176 97336 109503 146004 194672 219006 279841 292008 438012 559682 584016 839523 876024 1119364 1679046 1752048 2238728 2518569 3358092 4477456 5037138 6436343 6716184 10074276 12872686 13432368 19309029 20148552 25745372 38618058 40297104 51490744 57927087 77236116 102981488 115854174 148035889 154472232 231708348 296071778 308944464 444107667 463416696 592143556 888215334 926833392 1184287112 1332323001 1776430668 2368574224 2664646002 3552861336 5329292004 7105722672 10658584008 21317168016
• Sum of all divisors σ(n): 62370211579
• Sum of proper divisors (its aliquot sum) s(n): 41053043563
• 21317168016 is an abundant number, because the sum of its proper divisors (41053043563) is greater than itself. Its abundance is 19735875547

Bases of 21317168016

• Binary: 10011110110100110100010101110010000₂
• Hexadecimal: 0x4F69A2B90
• Base-36: 9SJOW40

Squares and roots of 21317168016

• 21317168016 squared (21317168016²) is 454421652222373376256
• 21317168016 cubed (21317168016³) is 9686982710532653055934337028096
• 21317168016 is a perfect square number. Its square root is 146004
• The cube root of 21317168016 is 2772.7443950731
• Being both a perfect square and a perfect cube, 21317168016 is also a perfect sixth number.

Scales and comparisons

• 21,317,168,016 seconds is equal to 677 years, 42 weeks, 4 days, 11 hours, 33 minutes, 36 seconds.
• To count from 1 to 21,317,168,016 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 21317168016 cubic inches would be around 231.1 feet tall.

Recreational maths with 21317168016

• 21317168016 backwards is 61086171312
• 21317168016 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21317168016's digits is 36
• More coming soon!