51381921312

Names of 51381921312

• Cardinal: 51381921312 can be written as Fifty-one billion, three hundred eighty-one million, nine hundred twenty-one thousand, three hundred twelve.

Scientific notation

• Scientific notation: 5.1381921312 × 10¹⁰

Factors of 51381921312

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 61

Divisors of 51381921312

• Number of divisors d(n): 270
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 19 24 32 36 37 38 48 57 72 74 76 96 111 114 144 148 152 171 222 228 288 296 304 333 342 361 444 456 592 608 666 684 703 722 888 912 1083 1184 1332 1368 1369 1406 1444 1776 1824 2109 2166 2664 2736 2738 2812 2888 3249 3552 4107 4218 4332 5328 5472 5476 5624 5776 6327 6498 6859 8214 8436 8664 10656 10952 11248 11552 12321 12654 12996 13357 13718 16428 16872 17328 20577 21904 22496 24642 25308 25992 26011 26714 27436 32856 33744 34656 40071 41154 43808 49284 50616 51984 52022 53428 54872 61731 65712 67488 78033 80142 82308 98568 101232 103968 104044 106856 109744 120213 123462 130321 131424 156066 160284 164616 197136 202464 208088 213712 219488 234099 240426 246924 253783 260642 312132 320568 329232 390963 394272 416176 427424 468198 480852 493848 494209 507566 521284 624264 641136 658464 761349 781926 832352 936396 961704 987696 988418 1015132 1042568 1172889 1248528 1282272 1482627 1522698 1563852 1872792 1923408 1975392 1976836 2030264 2085136 2284047 2345778 2497056 2965254 3045396 3127704 3745584 3846816 3953672 4060528 4170272 4447881 4568094 4691556 4821877 5930508 6090792 6255408 7491168 7907344 8121056 8895762 9136188 9383112 9389971 9643754 11861016 12181584 12510816 14465631 15814688 17791524 18272376 18766224 18779942 19287508 23722032 24363168 28169913 28931262 35583048 36544752 37532448 37559884 38575016 43396893 47444064 56339826 57862524 71166096 73089504 75119768 77150032 84509739 86793786 112679652 115725048 142332192 150239536 154300064 169019478 173587572 178409449 225359304 231450096 300479072 338038956 347175144 356818898 450718608 462900192 535228347 676077912 694350288 713637796 901437216 1070456694 1352155824 1388700576 1427275592 1605685041 2140913388 2704311648 2854551184 3211370082 4281826776 5709102368 6422740164 8563653552 12845480328 17127307104 25690960656 51381921312
• Sum of all divisors σ(n): 158516079813
• Sum of proper divisors (its aliquot sum) s(n): 107134158501
• 51381921312 is an abundant number, because the sum of its proper divisors (107134158501) is greater than itself. Its abundance is 55752237189

Bases of 51381921312

• Binary: 101111110110100110011110011000100000₂
• Hexadecimal: 0xBF699E620
• Base-36: NLRGW80

Squares and roots of 51381921312

• 51381921312 squared (51381921312²) is 2640101837712559801344
• 51381921312 cubed (51381921312³) is 135653504881013341786751759843328
• The square root of 51381921312 is 226675.8066314091
• The cube root of 51381921312 is 3717.6638054411

Scales and comparisons

• 51,381,921,312 seconds is equal to 1,633 years, 40 weeks, 6 days, 3 hours, 55 minutes, 12 seconds.
• To count from 1 to 51,381,921,312 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 51381921312 cubic inches would be around 309.8 feet tall.

Recreational maths with 51381921312

• 51381921312 backwards is 21312918315
• 51381921312 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 51381921312's digits is 36
• More coming soon!