12838978376

Names of 12838978376

• Cardinal: 12838978376 can be written as Twelve billion, eight hundred thirty-eight million, nine hundred seventy-eight thousand, three hundred seventy-six.

Scientific notation

• Scientific notation: 1.2838978376 × 10¹⁰

Factors of 12838978376

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 135698

Divisors of 12838978376

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 4 7 8 14 19 28 38 56 76 89 133 152 178 266 356 532 623 712 1064 1246 1691 2492 3382 4984 6764 11837 13528 23674 47348 94696 135581 271162 542324 949067 1084648 1898134 2576039 3796268 5152078 7592536 10304156 12066709 18032273 20608312 24133418 36064546 48266836 72129092 84466963 96533672 144258184 168933926 229267471 337867852 458534942 675735704 917069884 1604872297 1834139768 3209744594 6419489188 12838978376
• Sum of all divisors σ(n): 29285712000
• Sum of proper divisors (its aliquot sum) s(n): 16446733624
• 12838978376 is an abundant number, because the sum of its proper divisors (16446733624) is greater than itself. Its abundance is 3607755248

Bases of 12838978376

• Binary: 1011111101010000110100001101001000₂
• Hexadecimal: 0x2FD434348
• Base-36: 5WBZV48

Squares and roots of 12838978376

• 12838978376 squared (12838978376²) is 164839365739395597376
• 12838978376 cubed (12838978376³) is 2116369052241655326020066341376
• The square root of 12838978376 is 113309.2157593547
• The cube root of 12838978376 is 2341.5862315711

Scales and comparisons

• 12,838,978,376 seconds is equal to 408 years, 12 weeks, 3 days, 6 hours, 52 minutes, 56 seconds.
• To count from 1 to 12,838,978,376 would take you about eight hundred sixteen 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 12838978376 cubic inches would be around 195.1 feet tall.

Recreational maths with 12838978376

• 12838978376 backwards is 67387983821
• The number of decimal digits it has is: 11
• The sum of 12838978376's digits is 62
• More coming soon!