21376285388

Names of 21376285388

• Cardinal: 21376285388 can be written as Twenty-one billion, three hundred seventy-six million, two hundred eighty-five thousand, three hundred eighty-eight.

Scientific notation

• Scientific notation: 2.1376285388 × 10¹⁰

Factors of 21376285388

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 965

Divisors of 21376285388

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 4 19 38 43 61 76 86 122 157 172 244 314 628 683 817 1159 1366 1634 2318 2623 2732 2983 3268 4636 5246 5966 6751 9577 10492 11932 12977 13502 19154 25954 27004 29369 38308 41663 49837 51908 58738 83326 99674 107231 117476 128269 166652 181963 199348 214462 256538 363926 411811 428924 513076 558011 727852 791597 823622 1116022 1583194 1647244 1791509 2037389 2232044 3166388 3583018 4074778 4610933 6541091 7166036 7824409 8149556 9221866 13082182 15648818 18443732 26164364 31297636 34038671 68077342 87607727 124280729 136154684 175215454 248561458 281266913 350430908 497122916 562533826 1125067652 5344071347 10688142694 21376285388
• Sum of all divisors σ(n): 41274858240
• Sum of proper divisors (its aliquot sum) s(n): 19898572852
• 21376285388 is a deficient number, because the sum of its proper divisors (19898572852) is less than itself. Its deficiency is 1477712536

Bases of 21376285388

• Binary: 10011111010001000000011101011001100₂
• Hexadecimal: 0x4FA203ACC
• Base-36: 9TIVZD8

Squares and roots of 21376285388

• 21376285388 squared (21376285388²) is 456945576989222310544
• 21376285388 cubed (21376285388³) is 9767799060505941910365305531072
• The square root of 21376285388 is 146206.3110402557
• The cube root of 21376285388 is 2775.3051803207

Scales and comparisons

• 21,376,285,388 seconds is equal to 679 years, 36 weeks, 2 days, 17 hours, 3 minutes, 8 seconds.
• To count from 1 to 21,376,285,388 would take you about one thousand, three hundred fifty-nine 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 21376285388 cubic inches would be around 231.3 feet tall.

Recreational maths with 21376285388

• 21376285388 backwards is 88358267312
• The number of decimal digits it has is: 11
• The sum of 21376285388's digits is 53
• More coming soon!