12894208440

Names of 12894208440

• Cardinal: 12894208440 can be written as Twelve billion, eight hundred ninety-four million, two hundred eight thousand, four hundred forty.

Scientific notation

• Scientific notation: 1.289420844 × 10¹⁰

Factors of 12894208440

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 3797

Divisors of 12894208440

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 20 24 30 37 40 60 74 111 120 148 185 222 296 370 444 555 740 888 1093 1110 1480 2186 2220 2657 3279 4372 4440 5314 5465 6558 7971 8744 10628 10930 13116 13285 15942 16395 21256 21860 26232 26570 31884 32790 39855 40441 43720 53140 63768 65580 79710 80882 98309 106280 121323 131160 159420 161764 196618 202205 242646 294927 318840 323528 393236 404410 485292 491545 589854 606615 786472 808820 970584 983090 1179708 1213230 1474635 1617640 1966180 2359416 2426460 2904101 2949270 3932360 4852920 5808202 5898540 8712303 11616404 11797080 14520505 17424606 23232808 29041010 34849212 43561515 58082020 69698424 87123030 107451737 116164040 174246060 214903474 322355211 348492120 429806948 537258685 644710422 859613896 1074517370 1289420844 1611776055 2149034740 2578841688 3223552110 4298069480 6447104220 12894208440
• Sum of all divisors σ(n): 39779415360
• Sum of proper divisors (its aliquot sum) s(n): 26885206920
• 12894208440 is an abundant number, because the sum of its proper divisors (26885206920) is greater than itself. Its abundance is 13990998480

Bases of 12894208440

• Binary: 1100000000100011100000000110111000₂
• Hexadecimal: 0x3008E01B8
• Base-36: 5X8VMWO

Squares and roots of 12894208440

• 12894208440 squared (12894208440²) is 166260611294167233600
• 12894208440 cubed (12894208440³) is 2143798977388810466256571584000
• The square root of 12894208440 is 113552.6681324573
• The cube root of 12894208440 is 2344.9390673123

Scales and comparisons

• 12,894,208,440 seconds is equal to 409 years, 51 weeks, 5 days, 12 hours, 34 minutes.
• To count from 1 to 12,894,208,440 would take you about eight hundred nineteen 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 12894208440 cubic inches would be around 195.4 feet tall.

Recreational maths with 12894208440

• 12894208440 backwards is 04480249821
• The number of decimal digits it has is: 11
• The sum of 12894208440's digits is 42
• More coming soon!