155291820203392992

Names of 155291820203392992

• Cardinal: 155291820203392992 can be written as One hundred fifty-five quadrillion, two hundred ninety-one trillion, eight hundred twenty billion, two hundred three million, three hundred ninety-two thousand, nine hundred ninety-two.

Scientific notation

• Scientific notation: 1.55291820203392992 × 10¹⁷

Factors of 155291820203392992

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 13789605

Divisors of 155291820203392992

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 32 36 42 48 49 56 63 72 84 96 98 112 126 144 147 168 196 224 252 288 294 336 349 392 441 504 588 672 698 784 882 1008 1047 1176 1396 1568 1764 2016 2094 2287 2352 2443 2792 3141 3528 4188 4574 4704 4886 5584 6282 6861 7056 7329 8376 9148 9772 11168 12564 13722 14112 14658 16009 16752 17101 18296 19544 20583 21987 25128 27444 29316 32018 33504 34202 36592 39088 41166 43974 48027 50256 51303 54888 58632 64036 68404 73184 78176 82332 87948 96054 100512 102606 109776 112063 117264 128072 136808 144081 153909 164664 175896 192108 205212 219552 224126 234528 256144 273616 288162 307818 329328 336189 351792 384216 410424 448252 512288 547232 576324 615636 658656 672378 703584 768432 798163 820848 896504 1008567 1152648 1231272 1344756 1536864 1596326 1641696 1793008 2017134 2305296 2394489 2462544 2689512 3192652 3586016 4034268 4610592 4788978 4925088 5379024 5587141 6385304 7183467 8068536 9577956 10758048 11174282 12770608 13786957 14366934 16137072 16761423 19155912 22348564 25541216 27573914 28733868 32274144 33522846 38311824 39109987 41360871 44697128 50284269 55147828 57467736 67045692 76623648 78219974 82721742 89394256 96508699 100568538 110295656 114935472 117329961 124082613 134091384 156439948 165443484 178788512 193017398 201137076 220591312 229870944 234659922 248165226 268182768 289526097 312879896 330886968 351989883 386034796 402274152 441182624 469319844 496330452 536365536 579052194 625759792 661773936 675560893 703979766 772069592 804548304 868578291 938639688 992660904 1158104388 1251519584 1323547872 1351121786 1407959532 1544139184 1609096608 1737156582 1877279376 1985321808 2026682679 2316208776 2702243572 2815919064 3088278368 3474313164 3754558752 3970643616 4053365358 4632417552 4811647993 5404487144 5631838128 6080048037 6948626328 8106730716 9264835104 9623295986 10808974288 11263676256 12160096074 13897252656 14434943979 16213461432 19246591972 21617948576 24320192148 27794505312 28869887958 31530770659 32426922864 33681535951 38493183944 43304831937 48640384296 57739775916 63061541318 64853845728 67363071902 76986367888 86609663874 94592311977 97280768592 101044607853 115479551832 126123082636 134726143804 153972735776 173219327748 189184623954 194561537184 202089215706 220715394613 230959103664 235770751657 252246165272 269452287608 283776935931 303133823559 346438655496 378369247908 404178431412 441430789226 461918207328 471541503314 504492330544 538904575216 567553871862 606267647118 662146183839 692877310992 707312254971 756738495816 808356862824 882861578452 943083006628 1008984661088 1077809150432 1135107743724 1212535294236 1324292367678 1385754621984 1414624509942 1513476991632 1545007762291 1616713725648 1765723156904 1886166013256 1986438551517 2121936764913 2270215487448 2425070588472 2648584735356 2829249019884 3026953983264 3090015524582 3233427451296 3531446313808 3772332026512 3972877103034 4243873529826 4540430974896 4635023286873 4850141176944 5297169470712 5658498039768 6180031049164 7062892627616 7544664053024 7945754206068 8487747059652 9080861949792 9270046573746 9700282353888 10594338941424 11004238959991 11316996079536 12360062098328 13905069860619 15891508412136 16975494119304 18540093147492 21188677882848 22008477919982 22633992159072 24720124196656 27810139721238 31783016824272 33012716879973 33950988238608 37080186294984 44016955839964 49440248393312 55620279442476 63566033648544 66025433759946 67901976477216 74160372589968 77029672719937 88033911679928 99038150639919 111240558884952 132050867519892 148320745179936 154059345439874 176067823359856 198076301279838 222481117769904 231089018159811 264101735039784 308118690879748 352135646719712 396152602559676 444962235539808 462178036319622 528203470079568 539207709039559 616237381759496 693267054479433 792305205119352 924356072639244 1056406940159136 1078415418079118 1232474763518992 1386534108958866 1584610410238704 1617623127118677 1848712145278488 2156830836158236 2464949527037984 2773068217917732 3169220820477408 3235246254237354 3697424290556976 4313661672316472 4852869381356031 5546136435835464 6470492508474708 7394848581113952 8627323344632944 9705738762712062 11092272871670928 12940985016949416 17254646689265888 19411477525424124 22184545743341856 25881970033898832 38822955050848248 51763940067797664 77645910101696496 155291820203392992
• Sum of all divisors σ(n): 515408141499451200
• Sum of proper divisors (its aliquot sum) s(n): 360116321296058208
• 155291820203392992 is an abundant number, because the sum of its proper divisors (360116321296058208) is greater than itself. Its abundance is 204824501092665216

Bases of 155291820203392992

• Binary: 1000100111101101010001011001110011101111110011111111100000₂
• Hexadecimal: 0x227B51673BF3FE0
• Base-36: 16H2CTC94C80

Squares and roots of 155291820203392992

• 155291820203392992 squared (155291820203392992²) is 24115549422082935847219589194712064
• 155291820203392992 cubed (155291820203392992³) is 3744947564960141049339291139809217921839837275455488
• The square root of 155291820203392992 is 394070831.4546929163
• The cube root of 155291820203392992 is 537505.4351896247

Scales and comparisons

• 155,291,820,203,392,992 seconds is equal to 4,937,799,533 years, 17 weeks, 20 hours, 43 minutes, 12 seconds.
• To count from 1 to 155,291,820,203,392,992 would take you about fourteen billion, eight hundred thirteen million, three hundred ninety-eight thousand, five hundred ninety-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 155291820203392992 cubic inches would be around 44792.1 feet tall.

Recreational maths with 155291820203392992

• 155291820203392992 backwards is 299293302028192551
• 155291820203392992 is a Harshad number.
• The number of decimal digits it has is: 18
• The sum of 155291820203392992's digits is 72
• More coming soon!