12742890040

Names of 12742890040

• Cardinal: 12742890040 can be written as Twelve billion, seven hundred forty-two million, eight hundred ninety thousand and forty.

Scientific notation

• Scientific notation: 1.274289004 × 10¹⁰

Factors of 12742890040

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 937

Divisors of 12742890040

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 4 5 8 10 20 40 43 47 86 94 172 188 215 235 283 344 376 430 470 557 566 860 940 1114 1132 1415 1720 1880 2021 2228 2264 2785 2830 4042 4456 5570 5660 8084 10105 11140 11320 12169 13301 16168 20210 22280 23951 24338 26179 26602 40420 47902 48676 52358 53204 60845 66505 80840 95804 97352 104716 106408 119755 121690 130895 133010 157631 191608 209432 239510 243380 261790 266020 315262 479020 486760 523580 532040 571943 630524 788155 958040 1047160 1125697 1143886 1261048 1576310 2251394 2287772 2859715 3152620 4502788 4575544 5628485 5719430 6305240 6778133 7408657 9005576 11256970 11438860 13556266 14817314 22513940 22877720 27112532 29634628 33890665 37043285 45027880 54225064 59269256 67781330 74086570 135562660 148173140 271125320 296346280 318572251 637144502 1274289004 1592861255 2548578008 3185722510 6371445020 12742890040
• Sum of all divisors σ(n): 30122357760
• Sum of proper divisors (its aliquot sum) s(n): 17379467720
• 12742890040 is an abundant number, because the sum of its proper divisors (17379467720) is greater than itself. Its abundance is 4636577680

Bases of 12742890040

• Binary: 1011110111100010010001001000111000₂
• Hexadecimal: 0x2F7891238
• Base-36: 5UQSCVS

Squares and roots of 12742890040

• 12742890040 squared (12742890040²) is 162381246571531201600
• 12742890040 cubed (12742890040³) is 2069206369619149096417872064000
• The square root of 12742890040 is 112884.4100839437
• The cube root of 12742890040 is 2335.7300341479

Scales and comparisons

• 12,742,890,040 seconds is equal to 405 years, 9 weeks, 4 days, 3 hours, 40 minutes, 40 seconds.
• To count from 1 to 12,742,890,040 would take you about eight hundred ten 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 12742890040 cubic inches would be around 194.6 feet tall.

Recreational maths with 12742890040

• 12742890040 backwards is 04009824721
• The number of decimal digits it has is: 11
• The sum of 12742890040's digits is 37
• More coming soon!