381923994420

Names of 381923994420

• Cardinal: 381923994420 can be written as Three hundred eighty-one billion, nine hundred twenty-three million, nine hundred ninety-four thousand, four hundred twenty.

Scientific notation

• Scientific notation: 3.8192399442 × 10¹¹

Factors of 381923994420

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 714

Divisors of 381923994420

• Number of divisors d(n): 162
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 73 90 146 180 219 292 365 438 631 657 730 876 1095 1262 1314 1460 1893 2190 2524 2628 3155 3285 3786 4380 5329 5679 6310 6570 7572 9465 10658 11358 12620 13140 15987 18930 21316 22716 26645 28395 31974 37860 46063 47961 53290 56790 63948 79935 92126 95922 106580 113580 138189 159870 184252 191844 230315 239805 276378 319740 398161 414567 460630 479610 552756 690945 796322 829134 921260 959220 1194483 1381890 1592644 1658268 1990805 2072835 2388966 2763780 3362599 3583449 3981610 4145670 4777932 5972415 6725198 7166898 7963220 8291340 10087797 11944830 13450396 14333796 16812995 17917245 20175594 23889660 29065753 30263391 33625990 35834490 40351188 50438985 58131506 60526782 67251980 71668980 87197259 100877970 116263012 121053564 145328765 151316955 174394518 201755940 261591777 290657530 302633910 348789036 435986295 523183554 581315060 605267820 871972590 1046367108 1307958885 1743945180 2121799969 2615917770 4243599938 5231835540 6365399907 8487199876 10608999845 12730799814 19096199721 21217999690 25461599628 31826999535 38192399442 42435999380 63653999070 76384798884 95480998605 127307998140 190961997210 381923994420
• Sum of all divisors σ(n): 1176454504134
• Sum of proper divisors (its aliquot sum) s(n): 794530509714
• 381923994420 is an abundant number, because the sum of its proper divisors (794530509714) is greater than itself. Its abundance is 412606515294

Bases of 381923994420

• Binary: 101100011101100011100011010101100110100₂
• Hexadecimal: 0x58EC71AB34
• Base-36: 4VGBOO50

Squares and roots of 381923994420

• 381923994420 squared (381923994420²) is 145865937513728191136400
• 381923994420 cubed (381923994420³) is 55709701505061194344975127058888000
• The square root of 381923994420 is 617999.9954854369
• The cube root of 381923994420 is 7255.3602494745

Scales and comparisons

• 381,923,994,420 seconds is equal to 12,144 years, 14 hours, 27 minutes.
• To count from 1 to 381,923,994,420 would take you about twenty-four thousand, two hundred eighty-eight 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 381923994420 cubic inches would be around 604.6 feet tall.

Recreational maths with 381923994420

• 381923994420 backwards is 024499329183
• The number of decimal digits it has is: 12
• The sum of 381923994420's digits is 54
• More coming soon!