18108039680

Names of 18108039680

• Cardinal: 18108039680 can be written as Eighteen billion, one hundred eight million, thirty-nine thousand, six hundred eighty.

Scientific notation

• Scientific notation: 1.810803968 × 10¹⁰

Factors of 18108039680

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 162

Divisors of 18108039680

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 4 5 8 10 16 19 20 32 38 40 47 64 76 80 89 94 95 128 152 160 178 188 190 235 256 304 320 356 376 380 445 470 512 608 640 712 752 760 890 893 940 1216 1280 1424 1504 1520 1691 1780 1786 1880 2432 2560 2848 3008 3040 3382 3560 3572 3760 4183 4465 4864 5696 6016 6080 6764 7120 7144 7520 7921 8366 8455 8930 9728 11392 12032 12160 13528 14240 14288 15040 15842 16732 16910 17860 20915 22784 24064 24320 27056 28480 28576 30080 31684 33464 33820 35720 39605 41830 45568 48640 54112 56960 57152 60160 63368 66928 67640 71440 79210 79477 83660 108224 113920 114304 120320 126736 133856 135280 142880 150499 158420 158954 167320 216448 227840 228608 253472 267712 270560 285760 300998 316840 317908 334640 372287 397385 432896 457216 506944 535424 541120 571520 601996 633680 635816 669280 744574 752495 794770 865792 1013888 1070848 1082240 1143040 1203992 1267360 1271632 1338560 1489148 1504990 1589540 1861435 2027776 2141696 2164480 2286080 2407984 2534720 2543264 2677120 2978296 3009980 3179080 3722870 4055552 4328960 4815968 5069440 5086528 5354240 5956592 6019960 6358160 7073453 7445740 9631936 10138880 10173056 10708480 11913184 12039920 12716320 14146906 14891480 19263872 20277760 20346112 23826368 24079840 25432640 28293812 29782960 35367265 38527744 40692224 47652736 48159680 50865280 56587624 59565920 70734530 77055488 95305472 96319360 101730560 113175248 119131840 141469060 190610944 192638720 203461120 226350496 238263680 282938120 385277440 452700992 476527360 565876240 905401984 953054720 1131752480 1810803968 2263504960 3621607936 4527009920 9054019840 18108039680
• Sum of all divisors σ(n): 47204657280
• Sum of proper divisors (its aliquot sum) s(n): 29096617600
• 18108039680 is an abundant number, because the sum of its proper divisors (29096617600) is greater than itself. Its abundance is 10988577920

Bases of 18108039680

• Binary: 10000110111010100101100001000000000₂
• Hexadecimal: 0x43752C200
• Base-36: 8BH24U8

Squares and roots of 18108039680

• 18108039680 squared (18108039680²) is 327901101052454502400
• 18108039680 cubed (18108039680³) is 5937646148973535890853855232000
• The square root of 18108039680 is 134566.1163889337
• The cube root of 18108039680 is 2625.9743469293

Scales and comparisons

• 18,108,039,680 seconds is equal to 575 years, 40 weeks, 3 days, 19 hours, 1 minute, 20 seconds.
• To count from 1 to 18,108,039,680 would take you about one thousand, one hundred fifty-one 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 18108039680 cubic inches would be around 218.8 feet tall.

Recreational maths with 18108039680

• 18108039680 backwards is 08693080181
• The number of decimal digits it has is: 11
• The sum of 18108039680's digits is 44
• More coming soon!