12814812920

Names of 12814812920

• Cardinal: 12814812920 can be written as Twelve billion, eight hundred fourteen million, eight hundred twelve thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 1.281481292 × 10¹⁰

Factors of 12814812920

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 4341

Divisors of 12814812920

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 4 5 7 8 10 13 14 20 26 28 35 40 52 56 65 70 91 104 130 140 182 260 280 364 455 520 728 910 1093 1820 2186 3221 3640 4372 5465 6442 7651 8744 10930 12884 14209 15302 16105 21860 22547 25768 28418 30604 32210 38255 41873 43720 45094 56836 61208 64420 71045 76510 83746 90188 99463 112735 113672 128840 142090 153020 167492 180376 198926 209365 225470 284180 293111 306040 334984 397852 418730 450940 497315 568360 586222 795704 837460 901880 994630 1172444 1465555 1674920 1989260 2344888 2931110 3520553 3978520 5862220 7041106 11724440 14082212 17602765 24643871 28164424 35205530 45767189 49287742 70411060 91534378 98575484 123219355 140822120 183068756 197150968 228835945 246438710 320370323 366137512 457671890 492877420 640740646 915343780 985754840 1281481292 1601851615 1830687560 2562962584 3203703230 6407406460 12814812920
• Sum of all divisors σ(n): 35530669440
• Sum of proper divisors (its aliquot sum) s(n): 22715856520
• 12814812920 is an abundant number, because the sum of its proper divisors (22715856520) is greater than itself. Its abundance is 9901043600

Bases of 12814812920

• Binary: 1011111011110100101000011011111000₂
• Hexadecimal: 0x2FBD286F8
• Base-36: 5VXLWXK

Squares and roots of 12814812920

• 12814812920 squared (12814812920²) is 164219430174598926400
• 12814812920 cubed (12814812920³) is 2104441275516488177848849088000
• The square root of 12814812920 is 113202.5305370865
• The cube root of 12814812920 is 2340.1162018901

Scales and comparisons

• 12,814,812,920 seconds is equal to 407 years, 24 weeks, 3 days, 14 hours, 15 minutes, 20 seconds.
• To count from 1 to 12,814,812,920 would take you about eight hundred fourteen 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 12814812920 cubic inches would be around 195 feet tall.

Recreational maths with 12814812920

• 12814812920 backwards is 02921841821
• The number of decimal digits it has is: 11
• The sum of 12814812920's digits is 38
• More coming soon!