18180685479929730

Names of 18180685479929730

• Cardinal: 18180685479929730 can be written as Eighteen quadrillion, one hundred eighty trillion, six hundred eighty-five billion, four hundred seventy-nine million, nine hundred twenty-nine thousand, seven hundred thirty.

Scientific notation

• Scientific notation: 1.818068547992973 × 10¹⁶

Factors of 18180685479929730

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 120321

Divisors of 18180685479929730

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 3 5 6 10 15 17 30 34 51 85 102 170 179 255 358 439 510 537 878 895 1074 1317 1790 2195 2634 2685 3043 3919 4390 5370 6086 6585 7463 7838 9129 11757 13170 14926 15215 18258 19595 22389 23514 30430 37315 39190 44778 45645 58785 66623 74630 78581 91290 111945 115757 117570 133246 157162 199869 223890 231514 235743 333115 347271 392905 399738 471486 578785 666230 694542 701501 785810 999345 1157570 1178715 1335877 1403002 1720441 1736355 1967869 1998690 2104503 2357430 2671754 3440882 3472710 3507505 3935738 4007631 4209006 5161323 5903607 6679385 7015010 8015262 8602205 9839345 10322646 10522515 11807214 11925517 13358770 17204410 19678690 20038155 20720503 21045030 23851034 25806615 29247497 29518035 35776551 40076310 41441006 50817323 51613230 58494994 59036070 59627585 62161509 71553102 87742491 101634646 103602515 119255170 124323018 146237485 152451969 175484982 178882755 207205030 254086615 292474970 304903938 307958939 310807545 352248551 357765510 438712455 453651683 508173230 615917878 621615090 704497102 762259845 863894491 877424910 907303366 923876817 1056745653 1360955049 1524519690 1539794695 1727788982 1761242755 1847753634 2113491306 2268258415 2591683473 2721910098 3079589390 3522485510 4319472455 4536516830 4619384085 5183366946 5235301963 5283728265 6804775245 7712078611 8638944910 9096300817 9238768170 10470603926 10567456530 12958417365 13609550490 15424157222 15705905889 18192601634 23136235833 25916834730 26176509815 27288902451 31411811778 38560393055 45481504085 46272471666 52353019630 54577804902 77120786110 78529529445 81203651257 90963008170 115681179165 136444512255 154637113889 157059058890 162407302514 199153088837 231362358330 243610953771 272889024510 309274227778 398306177674 406018256285 463911341667 487221907542 597459266511 773185569445 812036512570 927822683334 995765444185 1194918533022 1218054768855 1380462071369 1546371138890 1991530888370 2319556708335 2436109537710 2760924142738 2987296332555 3385602510229 4141386214107 4639113416670 5974592665110 6771205020458 6902310356845 8282772428214 10156807530687 13804620713690 16928012551145 20313615061374 20706931070535 33856025102290 35648402901823 41413862141070 50784037653435 71296805803646 101568075306870 106945208705469 178242014509115 213890417410938 356484029018230 534726043527345 606022849330991 1069452087054690 1212045698661982 1818068547992973 3030114246654955 3636137095985946 6060228493309910 9090342739964865 18180685479929730
• Sum of all divisors σ(n): 46576544458752000
• Sum of proper divisors (its aliquot sum) s(n): 28395858978822270
• 18180685479929730 is an abundant number, because the sum of its proper divisors (28395858978822270) is greater than itself. Its abundance is 10215173498892540

Bases of 18180685479929730

• Binary: 1000000100101110011110010110011110011011110011110000010₂
• Hexadecimal: 0x40973CB3CDE782
• Base-36: 4Z0IJLVD0N6

Squares and roots of 18180685479929730

• 18180685479929730 squared (18180685479929730²) is 330537324520127716862645737872900
• 18180685479929730 cubed (18180685479929730³) is 6009395136477907091916225146265780999491671317000
• The square root of 18180685479929730 is 134835772.2562144485
• The cube root of 18180685479929730 is 262948.1287723631

Scales and comparisons

• 18,180,685,479,929,730 seconds is equal to 578,089,561 years, 36 weeks, 6 days, 3 hours, 35 minutes, 30 seconds.
• To count from 1 to 18,180,685,479,929,730 would take you about one billion, seven hundred thirty-four million, two hundred sixty-eight thousand, six hundred eighty-five 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 18180685479929730 cubic inches would be around 21912.3 feet tall.

Recreational maths with 18180685479929730

• 18180685479929730 backwards is 03792997458608181
• The number of decimal digits it has is: 17
• The sum of 18180685479929730's digits is 87
• More coming soon!