12986311680

Names of 12986311680

• Cardinal: 12986311680 can be written as Twelve billion, nine hundred eighty-six million, three hundred eleven thousand, six hundred eighty.

Scientific notation

• Scientific notation: 1.298631168 × 10¹⁰

Factors of 12986311680

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 9132

Divisors of 12986311680

• Number of divisors d(n): 264
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 31 32 36 40 45 48 60 62 64 72 80 90 93 96 120 124 128 144 155 160 180 186 192 240 248 256 279 288 310 320 360 372 384 465 480 496 512 558 576 620 640 720 744 768 930 960 992 1024 1116 1152 1240 1280 1395 1440 1488 1536 1860 1920 1984 2232 2304 2480 2560 2790 2880 2976 3072 3720 3840 3968 4464 4608 4960 5120 5580 5760 5952 7440 7680 7936 8928 9091 9216 9920 11160 11520 11904 14880 15360 15872 17856 18182 19840 22320 23040 23808 27273 29760 31744 35712 36364 39680 44640 45455 46080 47616 54546 59520 71424 72728 79360 81819 89280 90910 95232 109092 119040 136365 142848 145456 158720 163638 178560 181820 218184 238080 272730 281821 285696 290912 327276 357120 363640 409095 436368 476160 545460 563642 581824 654552 714240 727280 818190 845463 872736 1090920 1127284 1163648 1309104 1409105 1428480 1454560 1636380 1690926 1745472 2181840 2254568 2327296 2536389 2618208 2818210 2909120 3272760 3381852 3490944 4227315 4363680 4509136 4654592 5072778 5236416 5636420 5818240 6545520 6763704 6981888 8454630 8727360 9018272 9309184 10145556 10472832 11272840 11636480 12681945 13091040 13527408 13963776 16909260 17454720 18036544 20291112 20945664 22545680 23272960 25363890 26182080 27054816 27927552 33818520 34909440 36073088 40582224 41891328 45091360 46545920 50727780 52364160 54109632 67637040 69818880 72146176 81164448 83782656 90182720 101455560 104728320 108219264 135274080 139637760 144292352 162328896 180365440 202911120 209456640 216438528 270548160 288584704 324657792 360730880 405822240 418913280 432877056 541096320 649315584 721461760 811644480 865754112 1082192640 1298631168 1442923520 1623288960 2164385280 2597262336 3246577920 4328770560 6493155840 12986311680
• Sum of all divisors σ(n): 46453864704
• Sum of proper divisors (its aliquot sum) s(n): 33467553024
• 12986311680 is an abundant number, because the sum of its proper divisors (33467553024) is greater than itself. Its abundance is 20481241344

Bases of 12986311680

• Binary: 1100000110000010110110010000000000₂
• Hexadecimal: 0x3060B6400
• Base-36: 5YRPQ80

Squares and roots of 12986311680

• 12986311680 squared (12986311680²) is 168644291050104422400
• 12986311680 cubed (12986311680³) is 2190067326629290525832773632000
• The square root of 12986311680 is 113957.4994460655
• The cube root of 12986311680 is 2350.5091204155

Scales and comparisons

• 12,986,311,680 seconds is equal to 412 years, 48 weeks, 12 hours, 48 minutes.
• To count from 1 to 12,986,311,680 would take you about eight hundred twenty-five 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 12986311680 cubic inches would be around 195.9 feet tall.

Recreational maths with 12986311680

• 12986311680 backwards is 08611368921
• 12986311680 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 12986311680's digits is 45
• More coming soon!