21380137376

Names of 21380137376

• Cardinal: 21380137376 can be written as Twenty-one billion, three hundred eighty million, one hundred thirty-seven thousand, three hundred seventy-six.

Scientific notation

• Scientific notation: 2.1380137376 × 10¹⁰

Factors of 21380137376

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 189

Divisors of 21380137376

• Number of divisors d(n): 108
• Complete list of divisors:
  1 2 4 8 13 16 26 32 52 67 104 107 134 208 214 268 416 428 536 856 871 1072 1391 1712 1742 2144 2782 3424 3484 4489 5564 6968 7169 8978 11128 11449 13936 14338 17956 22256 22898 27872 28676 35912 44512 45796 57352 58357 71824 91592 93197 114704 116714 143648 148837 183184 186394 229408 233428 297674 366368 372788 466856 480323 595348 745576 767083 933712 960646 1190696 1491152 1534166 1867424 1921292 2381392 2982304 3068332 3842584 4762784 6136664 6244199 7685168 9972079 12273328 12488398 15370336 19944158 24546656 24976796 39888316 49953592 51394561 79776632 99907184 102789122 159553264 199814368 205578244 319106528 411156488 668129293 822312976 1336258586 1644625952 2672517172 5345034344 10690068688 21380137376
• Sum of all divisors σ(n): 46450749618
• Sum of proper divisors (its aliquot sum) s(n): 25070612242
• 21380137376 is an abundant number, because the sum of its proper divisors (25070612242) is greater than itself. Its abundance is 3690474866

Bases of 21380137376

• Binary: 10011111010010110110000000110100000₂
• Hexadecimal: 0x4FA5B01A0
• Base-36: 9TL6JKW

Squares and roots of 21380137376

• 21380137376 squared (21380137376²) is 457110274216632165376
• 21380137376 cubed (21380137376³) is 9773080458732626479799230693376
• The square root of 21380137376 is 146219.4835717867
• The cube root of 21380137376 is 2775.4718728335

Scales and comparisons

• 21,380,137,376 seconds is equal to 679 years, 42 weeks, 5 days, 7 hours, 2 minutes, 56 seconds.
• To count from 1 to 21,380,137,376 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 21380137376 cubic inches would be around 231.3 feet tall.

Recreational maths with 21380137376

• 21380137376 backwards is 67373108312
• The number of decimal digits it has is: 11
• The sum of 21380137376's digits is 41
• More coming soon!