400379742

Names of 400379742

• Cardinal: 400379742 can be written as Four hundred million, three hundred seventy-nine thousand, seven hundred forty-two.

Scientific notation

• Scientific notation: 4.00379742 × 10⁸

Factors of 400379742

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 212

Divisors of 400379742

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 6 7 9 14 18 19 21 29 38 42 57 58 63 73 79 87 114 126 133 146 158 171 174 203 219 237 261 266 342 399 406 438 474 511 522 551 553 609 657 711 798 1022 1102 1106 1197 1218 1314 1387 1422 1501 1533 1653 1659 1827 2117 2291 2394 2774 3002 3066 3306 3318 3654 3857 4161 4234 4503 4582 4599 4959 4977 5767 6351 6873 7714 8322 9006 9198 9709 9918 9954 10507 11534 11571 12483 12702 13509 13746 14819 16037 17301 19053 19418 20619 21014 23142 24966 27018 29127 29638 31521 32074 34602 34713 38106 40223 40369 41238 43529 44457 48111 51903 58254 63042 69426 80446 80738 87058 87381 88914 94563 96222 103806 109573 120669 121107 130587 133371 144333 167243 174762 189126 219146 241338 242214 261174 266742 281561 288666 304703 328719 334486 362007 363321 391761 501729 563122 609406 657438 724014 726642 767011 783522 844683 914109 986157 1003458 1170701 1505187 1534022 1689366 1828218 1972314 2301033 2341402 2534049 2742327 3010374 3177617 3512103 4602066 5068098 5484654 6355234 6903099 7024206 9532851 10536309 13806198 19065702 21072618 22243319 28598553 44486638 57197106 66729957 133459914 200189871 400379742
• Sum of all divisors σ(n): 1108224000
• Sum of proper divisors (its aliquot sum) s(n): 707844258
• 400379742 is an abundant number, because the sum of its proper divisors (707844258) is greater than itself. Its abundance is 307464516

Bases of 400379742

• Binary: 10111110111010100111101011110₂
• Hexadecimal: 0x17DD4F5E
• Base-36: 6MDIZI

Squares and roots of 400379742

• 400379742 squared (400379742²) is 160303937803986564
• 400379742 cubed (400379742³) is 64182449259544187065786488
• The square root of 400379742 is 20009.4912978817
• The cube root of 400379742 is 737.0393895635

Scales and comparisons

• 400,379,742 seconds is equal to 12 years, 38 weeks, 35 minutes, 42 seconds.
• To count from 1 to 400,379,742 would take you about nineteen 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 400379742 cubic inches would be around 61.4 feet tall.

Recreational maths with 400379742

• 400379742 backwards is 247973004
• The number of decimal digits it has is: 9
• The sum of 400379742's digits is 36
• More coming soon!