13191215040

Names of 13191215040

• Cardinal: 13191215040 can be written as Thirteen billion, one hundred ninety-one million, two hundred fifteen thousand and forty.

Scientific notation

• Scientific notation: 1.319121504 × 10¹⁰

Factors of 13191215040

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 10272

Divisors of 13191215040

• Number of divisors d(n): 224
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 32 36 40 45 48 54 60 64 72 80 90 96 108 120 135 144 151 160 180 192 216 240 270 288 302 320 360 432 453 480 540 576 604 720 755 864 906 960 1080 1208 1359 1440 1510 1728 1812 2160 2265 2416 2718 2880 3020 3624 4077 4320 4530 4832 5436 6040 6795 7248 8154 8640 9060 9664 10111 10872 12080 13590 14496 16308 18120 20222 20385 21744 24160 27180 28992 30333 32616 36240 40444 40770 43488 48320 50555 54360 60666 65232 72480 80888 81540 86976 90999 101110 108720 121332 130464 144960 151665 161776 163080 181998 202220 217440 242664 260928 272997 303330 323552 326160 363996 404440 434880 454995 485328 545994 606660 647104 652320 727992 808880 909990 970656 1091988 1213320 1304640 1364985 1455984 1526761 1617760 1819980 1941312 2183976 2426640 2729970 2911968 3053522 3235520 3639960 4367952 4580283 4853280 5459940 5823936 6107044 7279920 7633805 8735904 9160566 9706560 10919880 12214088 13740849 14559840 15267610 17471808 18321132 21839760 22901415 24428176 27481698 29119680 30535220 36642264 41222547 43679520 45802830 48856352 54963396 61070440 68704245 73284528 82445094 87359040 91605660 97712704 109926792 122140880 137408490 146569056 164890188 183211320 206112735 219853584 244281760 274816980 293138112 329780376 366422640 412225470 439707168 488563520 549633960 659560752 732845280 824450940 879414336 1099267920 1319121504 1465690560 1648901880 2198535840 2638243008 3297803760 4397071680 6595607520 13191215040
• Sum of all divisors σ(n): 46848491520
• Sum of proper divisors (its aliquot sum) s(n): 33657276480
• 13191215040 is an abundant number, because the sum of its proper divisors (33657276480) is greater than itself. Its abundance is 20466061440

Bases of 13191215040

• Binary: 1100010010010000011111011111000000₂
• Hexadecimal: 0x31241F7C0
• Base-36: 625PIO0

Squares and roots of 13191215040

• 13191215040 squared (13191215040²) is 174008154231522201600
• 13191215040 cubed (13191215040³) is 2295378981181495307839832064000
• The square root of 13191215040 is 114853.0149364831
• The cube root of 13191215040 is 2362.8070973933

Scales and comparisons

• 13,191,215,040 seconds is equal to 419 years, 22 weeks, 6 days, 2 hours, 24 minutes.
• To count from 1 to 13,191,215,040 would take you about eight hundred thirty-eight 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 13191215040 cubic inches would be around 196.9 feet tall.

Recreational maths with 13191215040

• 13191215040 backwards is 04051219131
• 13191215040 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 13191215040's digits is 27
• More coming soon!