381388407808

Names of 381388407808

• Cardinal: 381388407808 can be written as Three hundred eighty-one billion, three hundred eighty-eight million, four hundred seven thousand, eight hundred eight.

Scientific notation

• Scientific notation: 3.81388407808 × 10¹¹

Factors of 381388407808

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 103

Divisors of 381388407808

• Number of divisors d(n): 264
• Complete list of divisors:
  1 2 4 8 16 17 32 34 41 43 64 68 82 86 128 136 164 172 256 272 289 328 344 512 544 578 656 688 697 731 1024 1088 1156 1312 1376 1394 1462 1763 1849 2176 2312 2624 2752 2788 2924 3526 3698 4352 4624 4913 5248 5504 5576 5848 7052 7396 8704 9248 9826 10496 11008 11152 11696 11849 12427 14104 14792 17408 18496 19652 20992 22016 22304 23392 23698 24854 28208 29584 29971 31433 36992 39304 41984 44032 44608 46784 47396 49708 56416 59168 59942 62866 73984 75809 78608 89216 93568 94792 99416 112832 118336 119884 125732 147968 151618 157216 178432 187136 189584 198832 201433 211259 225664 236672 239768 251464 295936 303236 314432 356864 374272 379168 397664 402866 422518 451328 473344 479536 502928 509507 534361 606472 628864 713728 748544 758336 795328 805732 845036 902656 946688 959072 1005856 1019014 1068722 1212944 1257728 1288753 1516672 1590656 1611464 1690072 1805312 1893376 1918144 2011712 2038028 2137444 2425888 2515456 2577506 3033344 3181312 3222928 3380144 3836288 4023424 4076056 4274888 4851776 5030912 5155012 6066688 6362624 6445856 6760288 7672576 8046848 8152112 8549776 8661619 9084137 9703552 10310024 12133376 12725248 12891712 13520576 15345152 16093696 16304224 17099552 17323238 18168274 19407104 20620048 21908801 25783424 27041152 30690304 32187392 32608448 34199104 34646476 36336548 38814208 41240096 43817602 51566848 54082304 65216896 68398208 69292952 72673096 77628416 82480192 87635204 103133696 108164608 130433792 136796416 138585904 145346192 164960384 175270408 206267392 216329216 260867584 273592832 277171808 290692384 329920768 350540816 372449617 521735168 547185664 554343616 581384768 659841536 701081632 744899234 1108687232 1162769536 1319683072 1402163264 1489798468 2217374464 2325539072 2804326528 2979596936 4434748928 4651078144 5608653056 5959193872 8869497856 9302156288 11217306112 11918387744 22434612224 23836775488 47673550976 95347101952 190694203904 381388407808
• Sum of all divisors σ(n): 849548642040
• Sum of proper divisors (its aliquot sum) s(n): 468160234232
• 381388407808 is an abundant number, because the sum of its proper divisors (468160234232) is greater than itself. Its abundance is 86771826424

Bases of 381388407808

• Binary: 101100011001100100001010100010000000000₂
• Hexadecimal: 0x58CC854400
• Base-36: 4V7GT6V4

Squares and roots of 381388407808

• 381388407808 squared (381388407808²) is 145457117610321315364864
• 381388407808 cubed (381388407808³) is 55475658489741444254289727546458112
• The square root of 381388407808 is 617566.5209578641
• The cube root of 381388407808 is 7251.9671732565

Scales and comparisons

• 381,388,407,808 seconds is equal to 12,126 years, 50 weeks, 3 days, 16 hours, 23 minutes, 28 seconds.
• To count from 1 to 381,388,407,808 would take you about twenty-four thousand, two hundred fifty-three 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 381388407808 cubic inches would be around 604.3 feet tall.

Recreational maths with 381388407808

• 381388407808 backwards is 808704883183
• The number of decimal digits it has is: 12
• The sum of 381388407808's digits is 58
• More coming soon!