12915510720

Names of 12915510720

• Cardinal: 12915510720 can be written as Twelve billion, nine hundred fifteen million, five hundred ten thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 1.291551072 × 10¹⁰

Factors of 12915510720

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 13065

Divisors of 12915510720

• Number of divisors d(n): 224
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 24 28 30 32 35 40 42 48 56 60 64 70 80 84 96 105 112 120 140 149 160 168 192 210 224 240 280 298 320 336 420 447 448 480 560 596 672 745 840 894 960 1043 1120 1192 1344 1490 1680 1788 2086 2235 2240 2384 2980 3129 3360 3576 4172 4470 4768 5215 5960 6258 6720 7152 8344 8940 9536 10430 11920 12516 12899 14304 15645 16688 17880 20860 23840 25032 25798 28608 31290 33376 35760 38697 41720 47680 50064 51596 62580 64495 66752 71520 77394 83440 90293 100128 103192 125160 128990 143040 154788 166880 180586 193485 200256 206384 250320 257980 270879 309576 333760 361172 386970 412768 451465 500640 515960 541758 619152 722344 773940 825536 902930 1001280 1031920 1083516 1238304 1354395 1444688 1547880 1805860 1921951 2063840 2167032 2476608 2708790 2889376 3095760 3611720 3843902 4127680 4334064 5417580 5765853 5778752 6191520 7223440 7687804 8668128 9609755 10835160 11531706 12383040 13453657 14446880 15375608 17336256 19219510 21670320 23063412 26907314 28829265 28893760 30751216 38439020 40360971 43340640 46126824 53814628 57658530 61502432 67268285 76878040 80721942 86681280 92253648 107629256 115317060 123004864 134536570 153756080 161443884 184507296 201804855 215258512 230634120 269073140 307512160 322887768 369014592 403609710 430517024 461268240 538146280 615024320 645775536 807219420 861034048 922536480 1076292560 1291551072 1614438840 1845072960 2152585120 2583102144 3228877680 4305170240 6457755360 12915510720
• Sum of all divisors σ(n): 47183040000
• Sum of proper divisors (its aliquot sum) s(n): 34267529280
• 12915510720 is an abundant number, because the sum of its proper divisors (34267529280) is greater than itself. Its abundance is 21352018560

Bases of 12915510720

• Binary: 1100000001110100110000110111000000₂
• Hexadecimal: 0x301D30DC0
• Base-36: 5XLK7UO

Squares and roots of 12915510720

• 12915510720 squared (12915510720²) is 166810417158434918400
• 12915510720 cubed (12915510720³) is 2154441731017438127017525248000
• The square root of 12915510720 is 113646.4285404517
• The cube root of 12915510720 is 2346.2297001185

Scales and comparisons

• 12,915,510,720 seconds is equal to 410 years, 35 weeks, 1 hour, 52 minutes.
• To count from 1 to 12,915,510,720 would take you about eight hundred twenty-one 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 12915510720 cubic inches would be around 195.5 feet tall.

Recreational maths with 12915510720

• 12915510720 backwards is 02701551921
• The number of decimal digits it has is: 11
• The sum of 12915510720's digits is 33
• More coming soon!