21321190044

Names of 21321190044

• Cardinal: 21321190044 can be written as Twenty-one billion, three hundred twenty-one million, one hundred ninety thousand and forty-four.

Scientific notation

• Scientific notation: 2.1321190044 × 10¹⁰

Factors of 21321190044

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 248171

Divisors of 21321190044

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 6 7 9 11 12 14 18 21 22 28 31 33 36 42 44 62 63 66 77 84 93 99 124 126 132 154 186 198 217 231 252 279 308 341 372 396 434 462 558 651 682 693 868 924 1023 1116 1302 1364 1386 1953 2046 2387 2604 2772 3069 3906 4092 4774 6138 7161 7812 9548 12276 14322 21483 28644 42966 85932 248117 496234 744351 992468 1488702 1736819 2233053 2729287 2977404 3473638 4466106 5210457 5458574 6947276 7691627 8187861 8932212 10420914 10917148 15383254 15631371 16375722 19105009 20841828 23074881 24563583 30766508 31262742 32751444 38210018 46149762 49127166 53841389 57315027 62525484 69224643 76420036 84607897 92299524 98254332 107682778 114630054 138449286 161524167 169215794 171945081 215365556 229260108 253823691 276898572 323048334 338431588 343890162 484572501 507647382 592255279 646096668 687780324 761471073 969145002 1015294764 1184510558 1522942146 1776765837 1938290004 2369021116 3045884292 3553531674 5330297511 7107063348 10660595022 21321190044
• Sum of all divisors σ(n): 69361883136
• Sum of proper divisors (its aliquot sum) s(n): 48040693092
• 21321190044 is an abundant number, because the sum of its proper divisors (48040693092) is greater than itself. Its abundance is 26719503048

Bases of 21321190044

• Binary: 10011110110110101111000101010011100₂
• Hexadecimal: 0x4F6D78A9C
• Base-36: 9SM33J0

Squares and roots of 21321190044

• 21321190044 squared (21321190044²) is 454593144892364721936
• 21321190044 cubed (21321190044³) is 9692466834949736160958671605184
• The square root of 21321190044 is 146017.7730415035
• The cube root of 21321190044 is 2772.9187671141

Scales and comparisons

• 21,321,190,044 seconds is equal to 677 years, 49 weeks, 2 days, 47 minutes, 24 seconds.
• To count from 1 to 21,321,190,044 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 21321190044 cubic inches would be around 231.1 feet tall.

Recreational maths with 21321190044

• 21321190044 backwards is 44009112312
• The number of decimal digits it has is: 11
• The sum of 21321190044's digits is 27
• More coming soon!