18640140964544

Names of 18640140964544

• Cardinal: 18640140964544 can be written as Eighteen trillion, six hundred forty billion, one hundred forty million, nine hundred sixty-four thousand, five hundred forty-four.

Scientific notation

• Scientific notation: 1.8640140964544 × 10¹³

Factors of 18640140964544

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 254

Divisors of 18640140964544

• Number of divisors d(n): 378
• Complete list of divisors:
  1 2 4 8 11 16 22 29 31 32 44 58 62 64 88 116 124 176 181 232 248 319 341 352 362 464 496 638 682 704 724 841 899 928 961 992 1276 1364 1448 1682 1798 1856 1922 1984 1991 2552 2728 2896 3364 3596 3844 3982 5104 5249 5456 5611 5792 6728 7192 7688 7964 9251 9889 10208 10498 10571 10912 11222 11584 13456 14384 15376 15928 18502 19778 20416 20996 21142 21824 22444 26071 26912 27869 28768 30752 31856 32761 37004 39556 41992 42284 44888 52142 53824 55738 57536 57739 61504 61721 63712 65522 74008 79112 83984 84568 89776 104284 111476 115478 123442 127424 131044 148016 152221 158224 162719 167968 169136 173941 179552 208568 222952 230956 246884 262088 286781 296032 304442 306559 316448 325438 335936 338272 347882 359104 360371 417136 445904 461912 493768 524176 573562 592064 608884 613118 632896 650876 676544 695764 720742 808201 834272 891808 923824 950069 987536 1015591 1048352 1147124 1217768 1226236 1301752 1391528 1441484 1616402 1668544 1674431 1783616 1789909 1847648 1900138 1913351 1975072 2031182 2096704 2294248 2435536 2452472 2603504 2783056 2882968 3232804 3348862 3579818 3695296 3800276 3826702 3950144 4062364 4588496 4718851 4871072 4904944 5044289 5207008 5566112 5765936 6465608 6697724 7159636 7600552 7653404 8124728 8890211 9176992 9437702 9742144 9809888 10088578 10414016 10450759 11132224 11171501 11531872 12931216 13395448 14319272 15201104 15306808 16249456 17780422 18353984 18875404 19619776 20177156 20901518 22343002 23063744 25862432 26790896 27552001 28638544 29452139 30402208 30613616 31483321 32498912 35560844 37750808 40354312 41803036 44686004 51724864 51907361 53581792 55104002 55487179 57277088 58904278 60804416 61227232 62966642 64997824 71121688 75501616 80708624 83606072 89372008 103814722 107163584 110208004 110974358 114554176 117808556 122454464 125933284 142243376 146284381 151003232 161417248 167212144 178744016 207629444 220416008 221948716 235617112 251866568 284486752 292568762 302006464 303072011 322834496 323973529 334424288 346316531 357488032 415258888 440832016 443897432 471234224 503733136 568973504 585137524 606144022 647947058 668848576 692633062 714976064 830517776 854112031 881664032 887794864 913016309 942468448 1007466272 1170275048 1212288044 1295894116 1385266124 1609128191 1661035552 1708224062 1763328064 1775589728 1826032618 1884936896 2014932544 2340550096 2424576088 2591788232 2770532248 3218256382 3322071104 3416448124 3551179456 3652065236 4681100192 4849152176 5183576464 5541064496 6436512764 6832896248 7304130472 9362200384 9395232341 9698304352 10043179399 10367152928 11082128992 12873025528 13665792496 14608260944 18790464682 19396608704 20086358798 20734305856 22164257984 25746051056 26477472961 27331584992 29216521888 37580929364 40172717596 51492102112 52954945922 54663169984 58433043776 75161858728 80345435192 102984204224 105909891844 150323717456 160690870384 211819783688 291252202571 300647434912 321381740768 423639567376 582504405142 601294869824 642763481536 847279134752 1165008810284 1694558269504 2330017620568 4660035241136 9320070482272 18640140964544
• Sum of all divisors σ(n): 43422569282196
• Sum of proper divisors (its aliquot sum) s(n): 24782428317652
• 18640140964544 is an abundant number, because the sum of its proper divisors (24782428317652) is greater than itself. Its abundance is 6142287353108

Bases of 18640140964544

• Binary: 100001111001111111110111110110001001011000000₂
• Hexadecimal: 0x10F3FEFB12C0
• Base-36: 6LV5UNMBK

Squares and roots of 18640140964544

• 18640140964544 squared (18640140964544²) is 347454855178071322665127936
• 18640140964544 cubed (18640140964544³) is 6476607479334470217340783693664199901184
• The square root of 18640140964544 is 4317422.9540947223
• The cube root of 18640140964544 is 26514.4769430405

Scales and comparisons

• 18,640,140,964,544 seconds is equal to 592,698 years, 42 weeks, 6 days, 6 hours, 35 minutes, 44 seconds.
• To count from 1 to 18,640,140,964,544 would take you about one million, four hundred eighty-one thousand, seven hundred forty-seven 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 18640140964544 cubic inches would be around 2209.5 feet tall.

Recreational maths with 18640140964544

• 18640140964544 backwards is 44546904104681
• The number of decimal digits it has is: 14
• The sum of 18640140964544's digits is 56
• More coming soon!