12899787120

Names of 12899787120

• Cardinal: 12899787120 can be written as Twelve billion, eight hundred ninety-nine million, seven hundred eighty-seven thousand, one hundred twenty.

Scientific notation

• Scientific notation: 1.289978712 × 10¹⁰

Factors of 12899787120

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 26783

Divisors of 12899787120

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 11 12 15 16 18 20 22 24 30 33 36 40 44 45 48 55 60 61 66 72 80 88 90 99 110 120 122 132 144 165 176 180 183 198 220 240 244 264 305 330 360 366 396 440 488 495 528 549 610 660 671 720 732 792 880 915 976 990 1098 1220 1320 1342 1464 1584 1830 1980 2013 2196 2440 2640 2684 2745 2928 3355 3660 3960 4026 4392 4880 5368 5490 6039 6710 7320 7920 8052 8784 10065 10736 10980 12078 13420 14640 16104 20130 21960 24156 26701 26840 30195 32208 40260 43920 48312 53402 53680 60390 80103 80520 96624 106804 120780 133505 160206 161040 213608 240309 241560 267010 293711 320412 400515 427216 480618 483120 534020 587422 640824 801030 881133 961236 1068040 1174844 1201545 1281648 1468555 1602060 1628761 1762266 1922472 2136080 2349688 2403090 2643399 2937110 3204120 3257522 3524532 3844944 4405665 4699376 4806180 4886283 5286798 5874220 6408240 6515044 7049064 8143805 8811330 9612360 9772566 10573596 11748440 13030088 13216995 14098128 14658849 16287610 17622660 17916371 19224720 19545132 21147192 23496880 24431415 26060176 26433990 29317698 32575220 35245320 35832742 39090264 42294384 48862830 52867980 53749113 58635396 65150440 70490640 71665484 73294245 78180528 89581855 97725660 105735960 107498226 117270792 130300880 143330968 146588490 161247339 179163710 195451320 211471920 214996452 234541584 268745565 286661936 293176980 322494678 358327420 390902640 429992904 537491130 586353960 644989356 716654840 806236695 859985808 1074982260 1172707920 1289978712 1433309680 1612473390 2149964520 2579957424 3224946780 4299929040 6449893560 12899787120
• Sum of all divisors σ(n): 48036684384
• Sum of proper divisors (its aliquot sum) s(n): 35136897264
• 12899787120 is an abundant number, because the sum of its proper divisors (35136897264) is greater than itself. Its abundance is 22237110144

Bases of 12899787120

• Binary: 1100000000111000110010000101110000₂
• Hexadecimal: 0x300E32170
• Base-36: 5XC77G0

Squares and roots of 12899787120

• 12899787120 squared (12899787120²) is 166404507741317894400
• 12899787120 cubed (12899787120³) is 2146582725671392866006640128000
• The square root of 12899787120 is 113577.2297601945
• The cube root of 12899787120 is 2345.2771978923

Scales and comparisons

• 12,899,787,120 seconds is equal to 410 years, 9 weeks, 2 hours, 12 minutes.
• To count from 1 to 12,899,787,120 would take you about eight hundred twenty 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 12899787120 cubic inches would be around 195.4 feet tall.

Recreational maths with 12899787120

• 12899787120 backwards is 02178799821
• The number of decimal digits it has is: 11
• The sum of 12899787120's digits is 54
• More coming soon!