18147831680

Names of 18147831680

• Cardinal: 18147831680 can be written as Eighteen billion, one hundred forty-seven million, eight hundred thirty-one thousand, six hundred eighty.

Scientific notation

• Scientific notation: 1.814783168 × 10¹⁰

Factors of 18147831680

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 484

Divisors of 18147831680

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 4 5 8 10 11 16 20 22 23 32 40 44 46 55 64 80 88 92 110 115 121 128 160 176 184 220 230 242 253 320 352 368 440 443 460 484 506 529 605 640 704 736 880 886 920 968 1012 1058 1210 1265 1408 1472 1760 1772 1840 1936 2024 2116 2215 2420 2530 2645 2783 2944 3520 3544 3680 3872 4048 4232 4430 4840 4873 5060 5290 5566 5819 7040 7088 7360 7744 8096 8464 8860 9680 9746 10120 10189 10580 11132 11638 13915 14176 14720 15488 16192 16928 17720 19360 19492 20240 20378 21160 22264 23276 24365 27830 28352 29095 32384 33856 35440 38720 38984 40480 40756 42320 44528 46552 48730 50945 53603 55660 56704 58190 64009 67712 70880 77440 77968 80960 81512 84640 89056 93104 97460 101890 107206 111320 112079 116380 128018 141760 155936 161920 163024 169280 178112 186208 194920 203780 214412 222640 224158 232760 234347 256036 268015 283520 311872 320045 326048 338560 356224 372416 389840 407560 428824 445280 448316 465520 468694 512072 536030 560395 623744 640090 652096 744832 779680 815120 857648 890560 896632 931040 937388 1024144 1072060 1120790 1171735 1232869 1280180 1304192 1559360 1630240 1715296 1781120 1793264 1862080 1874776 2048288 2144120 2241580 2343470 2465738 2560360 2577817 3118720 3260480 3430592 3586528 3724160 3749552 4096576 4288240 4483160 4686940 4931476 5120720 5155634 6164345 6520960 6861184 7173056 7499104 8193152 8576480 8966320 9373880 9862952 10241440 10311268 12328690 12889085 14346112 14998208 17152960 17932640 18747760 19725904 20482880 20622536 24657380 25778170 28355987 29996416 34305920 35865280 37495520 39451808 40965760 41245072 49314760 51556340 56711974 71730560 74991040 78903616 82490144 98629520 103112680 113423948 141779935 149982080 157807232 164980288 197259040 206225360 226847896 283559870 329960576 394518080 412450720 453695792 567119740 789036160 824901440 907391584 1134239480 1649802880 1814783168 2268478960 3629566336 4536957920 9073915840 18147831680
• Sum of all divisors σ(n): 49963306680
• Sum of proper divisors (its aliquot sum) s(n): 31815475000
• 18147831680 is an abundant number, because the sum of its proper divisors (31815475000) is greater than itself. Its abundance is 13667643320

Bases of 18147831680

• Binary: 10000111001101100011110111110000000₂
• Hexadecimal: 0x439B1EF80
• Base-36: 8C4R0JK

Squares and roots of 18147831680

• 18147831680 squared (18147831680²) is 329343794685611622400
• 18147831680 cubed (18147831680³) is 5976875750806958241166917632000
• The square root of 18147831680 is 134713.8882224101
• The cube root of 18147831680 is 2627.8964457357

Scales and comparisons

• 18,147,831,680 seconds is equal to 577 years, 2 weeks, 2 days, 8 hours, 21 minutes, 20 seconds.
• To count from 1 to 18,147,831,680 would take you about one thousand, one hundred fifty-four 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 18147831680 cubic inches would be around 219 feet tall.

Recreational maths with 18147831680

• 18147831680 backwards is 08613874181
• The number of decimal digits it has is: 11
• The sum of 18147831680's digits is 47
• More coming soon!