38640478968

Names of 38640478968

• Cardinal: 38640478968 can be written as Thirty-eight billion, six hundred forty million, four hundred seventy-eight thousand, nine hundred sixty-eight.

Scientific notation

• Scientific notation: 3.8640478968 × 10¹⁰

Factors of 38640478968

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 5055

Divisors of 38640478968

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 13 14 18 21 24 26 28 36 39 42 52 56 63 72 78 84 91 104 117 126 156 168 182 234 252 273 312 364 468 504 546 728 819 936 1092 1638 1861 2184 3169 3276 3722 5583 6338 6552 7444 9507 11166 12676 13027 14888 16749 19014 22183 22332 24193 25352 26054 28521 33498 38028 39081 41197 44366 44664 48386 52108 57042 66549 66996 72579 76056 78162 82394 88732 96772 104216 114084 117243 123591 133098 133992 145158 156324 164788 169351 177464 193544 199647 217737 228168 234486 247182 266196 288379 290316 312648 329576 338702 370773 399294 435474 468972 494364 508053 532392 576758 580632 677404 741546 798588 865137 870948 937944 988728 1016106 1153516 1354808 1483092 1524159 1597176 1730274 1741896 2032212 2307032 2595411 2966184 3048318 3460548 4064424 5190822 5897509 6096636 6921096 10381644 11795018 12193272 17692527 20763288 23590036 35385054 41282563 47180072 53077581 70770108 76667617 82565126 106155162 123847689 141540216 153335234 165130252 212310324 230002851 247695378 306670468 330260504 371543067 424620648 460005702 495390756 536673319 613340936 690008553 743086134 920011404 990781512 1073346638 1380017106 1486172268 1610019957 1840022808 2146693276 2760034212 2972344536 3220039914 4293386552 4830059871 5520068424 6440079828 9660119742 12880159656 19320239484 38640478968
• Sum of all divisors σ(n): 128911473600
• Sum of proper divisors (its aliquot sum) s(n): 90270994632
• 38640478968 is an abundant number, because the sum of its proper divisors (90270994632) is greater than itself. Its abundance is 51630515664

Bases of 38640478968

• Binary: 100011111111001001101110101011111000₂
• Hexadecimal: 0x8FF26EAF8
• Base-36: HR1JKE0

Squares and roots of 38640478968

• 38640478968 squared (38640478968²) is 1493086614876450345024
• 38640478968 cubed (38640478968³) is 57693581939535795475396215455232
• The square root of 38640478968 is 196571.8163114947
• The cube root of 38640478968 is 3380.7586432429

Scales and comparisons

• 38,640,478,968 seconds is equal to 1,228 years, 33 weeks, 4 days, 18 hours, 22 minutes, 48 seconds.
• To count from 1 to 38,640,478,968 would take you about two thousand, four hundred fifty-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 38640478968 cubic inches would be around 281.7 feet tall.

Recreational maths with 38640478968

• 38640478968 backwards is 86987404683
• 38640478968 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 38640478968's digits is 63
• More coming soon!