12828451768

Names of 12828451768

• Cardinal: 12828451768 can be written as Twelve billion, eight hundred twenty-eight million, four hundred fifty-one thousand, seven hundred sixty-eight.

Scientific notation

• Scientific notation: 1.2828451768 × 10¹⁰

Factors of 12828451768

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1889

Divisors of 12828451768

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 4 8 11 19 22 38 44 61 73 76 88 122 146 152 209 244 292 418 488 584 671 803 836 1159 1342 1387 1606 1672 1723 2318 2684 2774 3212 3446 4453 4636 5368 5548 6424 6892 8906 9272 11096 12749 13784 15257 17812 18953 25498 30514 32737 35624 37906 48983 50996 61028 65474 75812 84607 97966 101992 105103 122056 125779 130948 151624 169214 195932 210206 251558 261896 338428 360107 391864 420412 503116 676856 720214 840824 930677 1006232 1156133 1383569 1440428 1861354 1996957 2312266 2389801 2767138 2880856 3722708 3993914 4624532 4779602 5534276 7445416 7672519 7987828 9249064 9559204 11068552 15345038 15975656 19118408 21966527 26287811 30690076 43933054 52575622 61380152 84397709 87866108 105151244 145777861 168795418 175732216 210302488 291555722 337590836 583111444 675181672 1166222888 1603556471 3207112942 6414225884 12828451768
• Sum of all divisors σ(n): 28474963200
• Sum of proper divisors (its aliquot sum) s(n): 15646511432
• 12828451768 is an abundant number, because the sum of its proper divisors (15646511432) is greater than itself. Its abundance is 2818059664

Bases of 12828451768

• Binary: 1011111100101000101010001110111000₂
• Hexadecimal: 0x2FCA2A3B8
• Base-36: 5W5Q8QG

Squares and roots of 12828451768

• 12828451768 squared (12828451768²) is 164569174763902325824
• 12828451768 cubed (12828451768³) is 2111167720958283774296204856832
• The square root of 12828451768 is 113262.7554317835
• The cube root of 12828451768 is 2340.9461053549

Scales and comparisons

• 12,828,451,768 seconds is equal to 407 years, 47 weeks, 10 hours, 49 minutes, 28 seconds.
• To count from 1 to 12,828,451,768 would take you about eight hundred fifteen 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 12828451768 cubic inches would be around 195.1 feet tall.

Recreational maths with 12828451768

• 12828451768 backwards is 86715482821
• The number of decimal digits it has is: 11
• The sum of 12828451768's digits is 52
• More coming soon!