381761977428

Names of 381761977428

• Cardinal: 381761977428 can be written as Three hundred eighty-one billion, seven hundred sixty-one million, nine hundred seventy-seven thousand, four hundred twenty-eight.

Scientific notation

• Scientific notation: 3.81761977428 × 10¹¹

Factors of 381761977428

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 18

Divisors of 381761977428

• Number of divisors d(n): 90
• Complete list of divisors:
  1 2 3 4 6 9 12 13 18 26 36 39 52 78 117 156 169 234 338 468 507 676 1014 1521 2028 2197 3042 4394 6084 6591 8788 13182 19773 26364 28561 39546 57122 79092 85683 114244 171366 257049 342732 371293 514098 742586 1028196 1113879 1485172 2227758 3341637 4455516 4826809 6683274 9653618 13366548 14480427 19307236 28960854 43441281 57921708 62748517 86882562 125497034 173765124 188245551 250994068 376491102 564736653 752982204 815730721 1129473306 1631461442 2258946612 2447192163 3262922884 4894384326 7341576489 9788768652 10604499373 14683152978 21208998746 29366305956 31813498119 42417997492 63626996238 95440494357 127253992476 190880988714 381761977428
• Sum of all divisors σ(n): 1045426896514
• Sum of proper divisors (its aliquot sum) s(n): 663664919086
• 381761977428 is an abundant number, because the sum of its proper divisors (663664919086) is greater than itself. Its abundance is 281902941658

Bases of 381761977428

• Binary: 101100011100010110010010111110001010100₂
• Hexadecimal: 0x58E2C97C54
• Base-36: 4VDN8310

Squares and roots of 381761977428

• 381761977428 squared (381761977428²) is 145742207409736781495184
• 381761977428 cubed (381761977428³) is 55638833295462827524585802298706752
• The square root of 381761977428 is 617868.8998711619
• The cube root of 381761977428 is 7254.3341658215

Scales and comparisons

• 381,761,977,428 seconds is equal to 12,138 years, 44 weeks, 1 day, 9 hours, 43 minutes, 48 seconds.
• To count from 1 to 381,761,977,428 would take you about twenty-four thousand, two hundred seventy-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 381761977428 cubic inches would be around 604.5 feet tall.

Recreational maths with 381761977428

• 381761977428 backwards is 824779167183
• The number of decimal digits it has is: 12
• The sum of 381761977428's digits is 63
• More coming soon!