381521998779961699808

Names of 381521998779961699808

• Cardinal: 381521998779961699808 can be written as Three hundred eighty-one quintillion, five hundred twenty-one quadrillion, nine hundred ninety-eight trillion, seven hundred seventy-nine billion, nine hundred sixty-one million, six hundred ninety-nine thousand, eight hundred eight.

Scientific notation

• Scientific notation: 3.81521998779961699808 × 10²⁰

Factors of 381521998779961699808

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 3771857

Divisors of 381521998779961699808

• Number of divisors d(n): 108
• Complete list of divisors:
  1 2 4 8 16 32 79 103 158 206 316 412 632 824 1264 1648 2528 3296 8137 10609 16274 21218 32548 42436 65096 84872 130192 169744 260384 339488 838111 1676222 3352444 3771673 6704888 7543346 13409776 15086692 26819552 30173384 60346768 120693536 297962167 388482319 595924334 776964638 1191848668 1553929276 2383697336 3107858552 4767394672 6215717104 9534789344 12431434208 30690103201 40013678857 61380206402 80027357714 122760412804 160054715428 245520825608 320109430856 491041651216 640218861712 982083302432 1280437723424 3161080629703 6322161259406 12644322518812 14225517218929 25288645037624 28451034437858 50577290075248 56902068875716 101154580150496 113804137751432 227608275502864 455216551005728 1123815860295391 1465228273549687 2247631720590782 2930456547099374 4495263441181564 5860913094198748 8990526882363128 11721826188397496 17981053764726256 23443652376794992 35962107529452512 46887304753589984 115753033610425273 150918512175617761 231506067220850546 301837024351235522 463012134441701092 603674048702471044 926024268883402184 1207348097404942088 1852048537766804368 2414696194809884176 3704097075533608736 4829392389619768352 11922562461873803119 23845124923747606238 47690249847495212476 95380499694990424952 190760999389980849904 381521998779961699808
• Sum of all divisors σ(n): 768085952116542892560
• Sum of proper divisors (its aliquot sum) s(n): 386563953336581192752
• 381521998779961699808 is an abundant number, because the sum of its proper divisors (386563953336581192752) is greater than itself. Its abundance is 5041954556619492944

Bases of 381521998779961699808

• Binary: 101001010111010101110011011001000000000001100101000011110110111100000₂
• Hexadecimal: 0x14AEAE6C800CA1EDE0
• Base-36: 28IMIDAA5HKXY8

Squares and roots of 381521998779961699808

• 381521998779961699808 squared (381521998779961699808²) is 145559035553057096756789005935384707236864
• 381521998779961699808 cubed (381521998779961699808³) is 55533974184685851355104980166204509437022669805144884319322112
• The square root of 381521998779961699808 is 19532588122.9283514477
• The cube root of 381521998779961699808 is 7252813.8029478593

Scales and comparisons

• 381,521,998,779,961,699,808 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
• To count from 1 to 381,521,998,779,961,699,808 would take you about two hundred ninety-three billion, two hundred seventy-four million, seven hundred one thousand and 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 381521998779961699808 cubic inches would be around 604401.2 feet tall.

Recreational maths with 381521998779961699808

• 381521998779961699808 backwards is 808996169977899125183
• The number of decimal digits it has is: 21
• The sum of 381521998779961699808's digits is 125
• More coming soon!