12817723680

Names of 12817723680

• Cardinal: 12817723680 can be written as Twelve billion, eight hundred seventeen million, seven hundred twenty-three thousand, six hundred eighty.

Scientific notation

• Scientific notation: 1.281772368 × 10¹⁰

Factors of 12817723680

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 8728

Divisors of 12817723680

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 32 36 40 45 48 60 72 80 90 96 120 144 160 180 240 288 360 480 720 1181 1440 2362 3543 4724 5905 7086 7537 9448 10629 11810 14172 15074 17715 18896 21258 22611 23620 28344 30148 35430 37685 37792 42516 45222 47240 53145 56688 60296 67833 70860 75370 85032 90444 94480 106290 113055 113376 120592 135666 141720 150740 170064 180888 188960 212580 226110 241184 271332 283440 301480 339165 340128 361776 425160 452220 542664 566880 602960 678330 723552 850320 904440 1085328 1205920 1356660 1700640 1808880 2170656 2713320 3617760 5426640 8901197 10853280 17802394 26703591 35604788 44505985 53407182 71209576 80110773 89011970 106814364 133517955 142419152 160221546 178023940 213628728 267035910 284838304 320443092 356047880 400553865 427257456 534071820 640886184 712095760 801107730 854514912 1068143640 1281772368 1424191520 1602215460 2136287280 2563544736 3204430920 4272574560 6408861840 12817723680
• Sum of all divisors σ(n): 43783327224
• Sum of proper divisors (its aliquot sum) s(n): 30965603544
• 12817723680 is an abundant number, because the sum of its proper divisors (30965603544) is greater than itself. Its abundance is 18147879864

Bases of 12817723680

• Binary: 1011111011111111101111000100100000₂
• Hexadecimal: 0x2FBFEF120
• Base-36: 5VZCAW0

Squares and roots of 12817723680

• 12817723680 squared (12817723680²) is 164294040336832742400
• 12817723680 cubed (12817723680³) is 2105875611308296218459820032000
• The square root of 12817723680 is 113215.3862334975
• The cube root of 12817723680 is 2340.2933666817

Scales and comparisons

• 12,817,723,680 seconds is equal to 407 years, 29 weeks, 2 days, 6 hours, 48 minutes.
• To count from 1 to 12,817,723,680 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 12817723680 cubic inches would be around 195 feet tall.

Recreational maths with 12817723680

• 12817723680 backwards is 08632771821
• 12817723680 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 12817723680's digits is 45
• More coming soon!