385157136

Names of 385157136

• Cardinal: 385157136 can be written as Three hundred eighty-five million, one hundred fifty-seven thousand, one hundred thirty-six.

Scientific notation

• Scientific notation: 3.85157136 × 10⁸

Factors of 385157136

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 88202

Divisors of 385157136

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 3 4 6 7 8 12 13 14 16 21 24 26 28 39 42 48 52 56 78 84 91 104 112 156 168 182 208 273 312 336 364 546 624 728 1092 1456 2184 4368 88177 176354 264531 352708 529062 617239 705416 1058124 1146301 1234478 1410832 1851717 2116248 2292602 2468956 3438903 3703434 4232496 4585204 4937912 6877806 7406868 8024107 9170408 9875824 13755612 14813736 16048214 18340816 24072321 27511224 29627472 32096428 48144642 55022448 64192856 96289284 128385712 192578568 385157136
• Sum of all divisors σ(n): 1224616064
• Sum of proper divisors (its aliquot sum) s(n): 839458928
• 385157136 is an abundant number, because the sum of its proper divisors (839458928) is greater than itself. Its abundance is 454301792

Bases of 385157136

• Binary: 10110111101010000100000010000₂
• Hexadecimal: 0x16F50810
• Base-36: 6DB95C

Squares and roots of 385157136

• 385157136 squared (385157136²) is 148346019411722496
• 385157136 cubed (385157136³) is 57136527973619441386131456
• The square root of 385157136 is 19625.4206579121
• The cube root of 385157136 is 727.5775937831

Scales and comparisons

• 385,157,136 seconds is equal to 12 years, 12 weeks, 5 days, 20 hours, 5 minutes, 36 seconds.
• To count from 1 to 385,157,136 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 385157136 cubic inches would be around 60.6 feet tall.

Recreational maths with 385157136

• 385157136 backwards is 631751583
• 385157136 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 385157136's digits is 39
• More coming soon!