18068938160

Names of 18068938160

• Cardinal: 18068938160 can be written as Eighteen billion, sixty-eight million, nine hundred thirty-eight thousand, one hundred sixty.

Scientific notation

• Scientific notation: 1.806893816 × 10¹⁰

Factors of 18068938160

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 64

Divisors of 18068938160

• Number of divisors d(n): 320
• Complete list of divisors:
  1 2 4 5 7 8 10 13 14 16 20 26 28 35 37 40 49 52 56 65 70 74 80 91 98 104 112 130 140 148 182 185 196 208 245 259 260 280 296 343 364 370 392 455 481 490 518 520 560 592 637 686 728 740 784 910 962 980 1036 1040 1274 1295 1369 1372 1456 1480 1715 1813 1820 1924 1960 2072 2405 2548 2590 2738 2744 2960 3185 3367 3430 3626 3640 3848 3920 4144 4459 4810 5096 5180 5476 5488 6370 6734 6845 6860 7252 7280 7696 8918 9065 9583 9620 10192 10360 10952 12691 12740 13468 13690 13720 14504 16835 17797 17836 18130 19166 19240 20720 21904 22295 23569 25382 25480 26936 27380 27440 29008 33670 35594 35672 36260 38332 38480 44590 47138 47915 50653 50764 50960 53872 54760 63455 67081 67340 71188 71344 72520 76664 88985 89180 94276 95830 101306 101528 109520 117845 124579 126910 134162 134680 142376 145040 153328 164983 177970 178360 188552 191660 202612 203056 235690 249158 253265 253820 268324 269360 284752 329966 335405 354571 355940 356720 377104 383320 405224 469567 471380 498316 506530 507640 536648 622895 658489 659932 670810 709142 711880 766640 810448 824915 872053 939134 942760 996632 1013060 1015280 1073296 1245790 1316978 1319864 1341620 1418284 1423760 1649830 1744106 1772855 1878268 1885520 1993264 2026120 2347835 2481997 2491580 2633956 2639728 2683240 2836568 3292445 3299660 3488212 3545710 3756536 4052240 4360265 4609423 4695670 4963994 4983160 5267912 5366480 5673136 6104371 6584890 6599320 6976424 7091420 7513072 8720530 9218846 9391340 9927988 9966320 10535824 12208742 12409985 13169780 13198640 13952848 14182840 17373979 17441060 18437692 18782680 19855976 23047115 24417484 24819970 26339560 28365680 30521855 32265961 34747958 34882120 36875384 37565360 39711952 46094230 48834968 49639940 52679120 61043710 64531922 69495916 69764240 73750768 86869895 92188460 97669936 99279880 122087420 129063844 138991832 161329805 173739790 184376920 198559760 225861727 244174840 258127688 277983664 322659610 347479580 368753840 451723454 488349680 516255376 645319220 694959160 903446908 1129308635 1290638440 1389918320 1806893816 2258617270 2581276880 3613787632 4517234540 9034469080 18068938160
• Sum of all divisors σ(n): 54225696000
• Sum of proper divisors (its aliquot sum) s(n): 36156757840
• 18068938160 is an abundant number, because the sum of its proper divisors (36156757840) is greater than itself. Its abundance is 18087819680

Bases of 18068938160

• Binary: 10000110100111111100001110110110000₂
• Hexadecimal: 0x434FE1DB0
• Base-36: 8ATS1WW

Squares and roots of 18068938160

• 18068938160 squared (18068938160²) is 326486526229904185600
• 18068938160 cubed (18068938160³) is 5899264852521356672331562496000
• The square root of 18068938160 is 134420.7504814641
• The cube root of 18068938160 is 2624.0828558943

Scales and comparisons

• 18,068,938,160 seconds is equal to 574 years, 27 weeks, 6 days, 5 hours, 29 minutes, 20 seconds.
• To count from 1 to 18,068,938,160 would take you about one thousand, one hundred forty-nine 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 18068938160 cubic inches would be around 218.7 feet tall.

Recreational maths with 18068938160

• 18068938160 backwards is 06183986081
• The number of decimal digits it has is: 11
• The sum of 18068938160's digits is 50
• More coming soon!