21107871512

Names of 21107871512

• Cardinal: 21107871512 can be written as Twenty-one billion, one hundred seven million, eight hundred seventy-one thousand, five hundred twelve.

Scientific notation

• Scientific notation: 2.1107871512 × 10¹⁰

Factors of 21107871512

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 2024

Divisors of 21107871512

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 4 7 8 13 14 23 26 28 46 49 52 56 91 92 98 104 161 169 182 184 196 299 322 338 343 364 392 598 637 644 676 686 728 1127 1183 1196 1274 1288 1352 1372 1979 2093 2254 2366 2392 2548 2744 3887 3958 4186 4459 4508 4732 5096 7774 7889 7916 8281 8372 8918 9016 9464 13853 14651 15548 15778 15832 16562 16744 17836 25727 27209 27706 29302 31096 31556 33124 35672 45517 51454 54418 55412 57967 58604 63112 66248 91034 96971 102557 102908 108836 110824 115934 117208 180089 182068 190463 193942 205114 205816 217672 231868 318619 334451 360178 364136 380926 387884 410228 463736 591721 637238 668902 678797 720356 761852 775768 820456 1183442 1260623 1274476 1333241 1337804 1357594 1440712 1523704 2230333 2341157 2366884 2521246 2548952 2666482 2675608 2715188 4142047 4460666 4682314 4733768 5042492 5332964 5430376 7692373 8284094 8824361 8921332 9364628 10084984 10665928 15384746 15612331 16388099 16568188 17648722 17842664 18729256 28994329 30769492 31224662 32776198 33136376 35297444 53846611 57988658 61538984 62449324 65552396 70594888 107693222 114716693 115977316 124898648 131104792 202960303 215386444 229433386 231954632 376926277 405920606 430772888 458866772 753852554 811841212 917733544 1507705108 1623682424 2638483939 3015410216 5276967878 10553935756 21107871512
• Sum of all divisors σ(n): 52176960000
• Sum of proper divisors (its aliquot sum) s(n): 31069088488
• 21107871512 is an abundant number, because the sum of its proper divisors (31069088488) is greater than itself. Its abundance is 9961216976

Bases of 21107871512

• Binary: 10011101010001000001000111100011000₂
• Hexadecimal: 0x4EA208F18
• Base-36: 9P32XW8

Squares and roots of 21107871512

• 21107871512 squared (21107871512²) is 445542239767101166144
• 21107871512 cubed (21107871512³) is 9404448350172668219672916489728
• The square root of 21107871512 is 145285.4827985233
• The cube root of 21107871512 is 2763.6400683051

Scales and comparisons

• 21,107,871,512 seconds is equal to 671 years, 8 weeks, 4 days, 1 hour, 38 minutes, 32 seconds.
• To count from 1 to 21,107,871,512 would take you about one thousand, three hundred forty-two 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 21107871512 cubic inches would be around 230.3 feet tall.

Recreational maths with 21107871512

• 21107871512 backwards is 21517870112
• The number of decimal digits it has is: 11
• The sum of 21107871512's digits is 35
• More coming soon!