381621042

Names of 381621042

• Cardinal: 381621042 can be written as Three hundred eighty-one million, six hundred twenty-one thousand and forty-two.

Scientific notation

• Scientific notation: 3.81621042 × 10⁸

Factors of 381621042

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 316

Divisors of 381621042

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 6 9 11 18 19 22 33 38 57 66 99 114 171 198 209 281 342 361 418 562 627 722 843 1083 1254 1686 1881 2166 2529 3091 3249 3762 3971 5058 5339 6182 6498 6859 7942 9273 10678 11913 13718 16017 18546 20577 23826 27819 32034 35739 41154 48051 55638 58729 61731 71478 75449 96102 101441 117458 123462 150898 176187 202882 226347 304323 352374 452694 528561 608646 679041 912969 1057122 1115851 1358082 1825938 1927379 2231702 3347553 3854758 5782137 6695106 10042659 11564274 17346411 20085318 21201169 34692822 42402338 63603507 127207014 190810521 381621042
• Sum of all divisors σ(n): 955506240
• Sum of proper divisors (its aliquot sum) s(n): 573885198
• 381621042 is an abundant number, because the sum of its proper divisors (573885198) is greater than itself. Its abundance is 192264156

Bases of 381621042

• Binary: 10110101111110001001100110010₂
• Hexadecimal: 0x16BF1332
• Base-36: 6B7GOI

Squares and roots of 381621042

• 381621042 squared (381621042²) is 145634619697165764
• 381621042 cubed (381621042³) is 55577235320106123304406088
• The square root of 381621042 is 19535.1232911389
• The cube root of 381621042 is 725.3441359493

Scales and comparisons

• 381,621,042 seconds is equal to 12 years, 6 weeks, 6 days, 21 hours, 50 minutes, 42 seconds.
• To count from 1 to 381,621,042 would take you about eighteen 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 381621042 cubic inches would be around 60.4 feet tall.

Recreational maths with 381621042

• 381621042 backwards is 240126183
• The number of decimal digits it has is: 9
• The sum of 381621042's digits is 27
• More coming soon!