51387273990

Names of 51387273990

• Cardinal: 51387273990 can be written as Fifty-one billion, three hundred eighty-seven million, two hundred seventy-three thousand, nine hundred ninety.

Scientific notation

• Scientific notation: 5.138727399 × 10¹⁰

Factors of 51387273990

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 375414

Divisors of 51387273990

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 3 5 6 9 10 13 15 18 26 27 30 39 45 54 65 78 81 90 117 130 135 162 169 195 234 270 338 351 390 405 507 585 702 810 845 1014 1053 1170 1521 1690 1755 2106 2535 3042 3510 4563 5070 5265 7605 9126 10530 13689 15210 22815 27378 45630 68445 136890 375391 750782 1126173 1876955 2252346 3378519 3753910 4880083 5630865 6757038 9760166 10135557 11261730 14640249 16892595 20271114 24400415 29280498 30406671 33785190 43920747 48800830 50677785 60813342 63441079 73201245 87841494 101355570 126882158 131762241 146402490 152033355 190323237 219603735 263524482 304066710 317205395 380646474 395286723 439207470 570969711 634410790 658811205 790573446 951616185 1141939422 1317622410 1712909133 1903232370 1976433615 2854848555 3425818266 3952867230 5138727399 5709697110 8564545665 10277454798 17129091330 25693636995 51387273990
• Sum of all divisors σ(n): 149621491008
• Sum of proper divisors (its aliquot sum) s(n): 98234217018
• 51387273990 is an abundant number, because the sum of its proper divisors (98234217018) is greater than itself. Its abundance is 46846943028

Bases of 51387273990

• Binary: 101111110110111010111001001100000110₂
• Hexadecimal: 0xBF6EB9306
• Base-36: NLUNMDI

Squares and roots of 51387273990

• 51387273990 squared (51387273990²) is 2640651928123330520100
• 51387273990 cubed (51387273990³) is 135695904142695371947707902199000
• The square root of 51387273990 is 226687.6132257781
• The cube root of 51387273990 is 3717.7928960225

Scales and comparisons

• 51,387,273,990 seconds is equal to 1,633 years, 49 weeks, 5 days, 2 hours, 46 minutes, 30 seconds.
• To count from 1 to 51,387,273,990 would take you about three thousand, two hundred sixty-seven 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 51387273990 cubic inches would be around 309.8 feet tall.

Recreational maths with 51387273990

• 51387273990 backwards is 09937278315
• 51387273990 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 51387273990's digits is 54
• More coming soon!