18431712768

Names of 18431712768

• Cardinal: 18431712768 can be written as Eighteen billion, four hundred thirty-one million, seven hundred twelve thousand, seven hundred sixty-eight.

Scientific notation

• Scientific notation: 1.8431712768 × 10¹⁰

Factors of 18431712768

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 1129

Divisors of 18431712768

• Number of divisors d(n): 320
• Complete list of divisors:
  1 2 3 4 6 7 8 12 14 16 21 23 24 28 32 42 46 48 56 64 69 73 84 92 96 112 128 138 146 161 168 184 192 219 224 256 276 292 322 336 368 384 438 448 483 511 512 552 584 644 672 736 768 876 896 966 1021 1022 1104 1168 1288 1344 1472 1533 1536 1679 1752 1792 1932 2042 2044 2208 2336 2576 2688 2944 3063 3066 3358 3504 3584 3864 4084 4088 4416 4672 5037 5152 5376 5888 6126 6132 6716 7008 7147 7728 8168 8176 8832 9344 10074 10304 10752 11753 11776 12252 12264 13432 14016 14294 15456 16336 16352 17664 18688 20148 20608 21441 23483 23506 24504 24528 26864 28032 28588 30912 32672 32704 35259 35328 37376 40296 41216 42882 46966 47012 49008 49056 53728 56064 57176 61824 65344 65408 70449 70518 74533 80592 82432 85764 93932 94024 98016 98112 107456 112128 114352 123648 130688 130816 140898 141036 149066 161184 164381 171528 187864 188048 196032 196224 214912 223599 228704 247296 261376 261632 281796 282072 298132 322368 328762 343056 375728 376096 392064 392448 429824 447198 457408 493143 521731 522752 563592 564144 596264 644736 657524 686112 751456 752192 784128 784896 859648 894396 914816 986286 1043462 1127184 1128288 1192528 1289472 1315048 1372224 1502912 1504384 1565193 1568256 1714259 1788792 1829632 1972572 2086924 2254368 2256576 2385056 2578944 2630096 2744448 3005824 3008768 3130386 3428518 3577584 3659264 3945144 4173848 4508736 4513152 4770112 5142777 5260192 5488896 6011648 6017536 6260772 6857036 7155168 7890288 8347696 9017472 9026304 9540224 10285554 10520384 10977792 11999813 12023296 12521544 13714072 14310336 15780576 16695392 18034944 18052608 19080448 20571108 21040768 23999626 25043088 27428144 28620672 31561152 33390784 35999439 36069888 38160896 41142216 42081536 47999252 50086176 54856288 57241344 63122304 66781568 71998878 82284432 84163072 95998504 100172352 109712576 114482688 126244608 133563136 143997756 164568864 191997008 200344704 219425152 252489216 267126272 287995512 329137728 383994016 400689408 438850304 575991024 658275456 767988032 801378816 877700608 1151982048 1316550912 1535976064 2303964096 2633101824 3071952128 4607928192 6143904256 9215856384 18431712768
• Sum of all divisors σ(n): 59418196992
• Sum of proper divisors (its aliquot sum) s(n): 40986484224
• 18431712768 is an abundant number, because the sum of its proper divisors (40986484224) is greater than itself. Its abundance is 22554771456

Bases of 18431712768

• Binary: 10001001010100111011001111000000000₂
• Hexadecimal: 0x44A9D9E00
• Base-36: 8GTRKLC

Squares and roots of 18431712768

• 18431712768 squared (18431712768²) is 339728035562054221824
• 18431712768 cubed (18431712768³) is 6261769570716672856701725048832
• The square root of 18431712768 is 135763.4441519513
• The cube root of 18431712768 is 2641.5280777023

Scales and comparisons

• 18,431,712,768 seconds is equal to 586 years, 3 weeks, 5 days, 12 minutes, 48 seconds.
• To count from 1 to 18,431,712,768 would take you about one thousand, one hundred seventy-two 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 18431712768 cubic inches would be around 220.1 feet tall.

Recreational maths with 18431712768

• 18431712768 backwards is 86721713481
• 18431712768 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18431712768's digits is 48
• More coming soon!