18131903093280

Names of 18131903093280

• Cardinal: 18131903093280 can be written as Eighteen trillion, one hundred thirty-one billion, nine hundred three million, ninety-three thousand, two hundred eighty.

Scientific notation

• Scientific notation: 1.813190309328 × 10¹³

Factors of 18131903093280

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 51736

Divisors of 18131903093280

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 19 20 24 30 32 38 40 43 48 57 60 76 80 86 95 96 114 120 129 152 160 172 190 215 228 240 258 285 304 344 380 430 456 480 516 570 608 645 688 760 817 860 911 912 1032 1140 1290 1376 1520 1634 1720 1822 1824 2064 2280 2451 2580 2733 3040 3268 3440 3644 4085 4128 4555 4560 4902 5160 5466 6536 6880 7288 8170 9110 9120 9804 10320 10932 12255 13072 13665 14576 16340 17309 18220 19608 20640 21864 24510 26144 27330 29152 32680 34618 36440 39173 39216 43728 49020 50753 51927 54660 65360 69236 72880 78346 78432 86545 87456 98040 101506 103854 109320 117519 130720 138472 145760 152259 156692 173090 195865 196080 203012 207708 218640 235038 253765 259635 276944 304518 313384 346180 391730 392160 406024 415416 437280 470076 507530 519270 553888 587595 609036 626768 692360 744287 761295 783460 812048 830832 940152 964307 1015060 1038540 1175190 1218072 1253536 1384720 1488574 1522590 1566920 1624096 1661664 1880304 1928614 2030120 2077080 2182379 2232861 2350380 2436144 2769440 2892921 2977148 3045180 3133840 3721435 3760608 3857228 4060240 4154160 4364758 4465722 4700760 4821535 4872288 5785842 5954296 6090360 6267680 6547137 7442870 7714456 8120480 8308320 8729516 8931444 9401520 9643070 10911895 11164305 11571684 11908592 12180720 13094274 14464605 14885740 15428912 17459032 17862888 18803040 19286140 21823790 22328610 23143368 23817184 24361440 26188548 28929210 29771480 30857824 32735685 34918064 35725776 38572280 41465201 43647580 44657220 46235983 46286736 52377096 57858420 59542960 65471370 69836128 71451552 77144560 82930402 87295160 89314440 92471966 92573472 104754192 115716840 119085920 124395603 130942740 138707949 154289120 165860804 174590320 178628880 184943932 207326005 209508384 231179915 231433680 248791206 261885480 277415898 331721608 349180640 357257760 369887864 414652010 462359830 462867360 497582412 523770960 554831796 621978015 663443216 693539745 739775728 829304020 878483677 924719660 995164824 1047541920 1109663592 1243956030 1326886432 1387079490 1479551456 1658608040 1756967354 1849439320 1988147269 1990329648 2219327184 2487912060 2635451031 2774158980 3317216080 3513934708 3698878640 3976294538 3980659296 4392418385 4438654368 4975824120 5270902062 5548317960 5964441807 6634432160 7027869416 7397757280 7952589076 8784836770 9940736345 9951648240 10541804124 11096635920 11928883614 13177255155 14055738832 15905178152 17569673540 19881472690 19903296480 21083608248 22193271840 23857767228 26354510310 28111477664 29822209035 31810356304 35139347080 37774798111 39762945380 42167216496 47715534456 52709020620 59644418070 63620712608 70278694160 75549596222 79525890760 84334432992 95431068912 105418041240 113324394333 119288836140 140557388320 151099192444 159051781520 188873990555 190862137824 210836082480 226648788666 238577672280 302198384888 318103563040 377747981110 421672164960 453297577332 477155344560 566621971665 604396769776 755495962220 906595154664 954310689120 1133243943330 1208793539552 1510991924440 1813190309328 2266487886660 3021983848880 3626380618656 4532975773320 6043967697760 9065951546640 18131903093280
• Sum of all divisors σ(n): 61588492922880
• Sum of proper divisors (its aliquot sum) s(n): 43456589829600
• 18131903093280 is an abundant number, because the sum of its proper divisors (43456589829600) is greater than itself. Its abundance is 25324686736320

Bases of 18131903093280

• Binary: 100000111110110101001101001001001101000100000₂
• Hexadecimal: 0x107DA9A49A20
• Base-36: 6FDOIY71C

Squares and roots of 18131903093280

• 18131903093280 squared (18131903093280²) is 328765909784096832381158400
• 18131903093280 cubed (18131903093280³) is 5961151616579278772002975660949655552000
• The square root of 18131903093280 is 4258157.2414930851
• The cube root of 18131903093280 is 26271.2737444431

Scales and comparisons

• 18,131,903,093,280 seconds is equal to 576,538 years, 22 weeks, 3 days, 12 hours, 8 minutes.
• To count from 1 to 18,131,903,093,280 would take you about one million, four hundred forty-one thousand, three hundred forty-six 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 18131903093280 cubic inches would be around 2189.3 feet tall.

Recreational maths with 18131903093280

• 18131903093280 backwards is 08239030913181
• 18131903093280 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 18131903093280's digits is 48
• More coming soon!