155734687137353898231

Names of 155734687137353898231

• Cardinal: 155734687137353898231 can be written as One hundred fifty-five quintillion, seven hundred thirty-four quadrillion, six hundred eighty-seven trillion, one hundred thirty-seven billion, three hundred fifty-three million, eight hundred ninety-eight thousand, two hundred thirty-one.

Scientific notation

• Scientific notation: 1.55734687137353898231 × 10²⁰

Factors of 155734687137353898231

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 192

Divisors of 155734687137353898231

• Number of divisors d(n): 252
• Complete list of divisors:
  1 3 7 9 21 31 49 63 93 147 151 217 279 441 453 651 961 1057 1359 1519 1953 2883 3171 4557 4681 6727 7399 8649 9513 13671 14043 20181 22197 22801 29791 32767 42129 47089 60543 66591 68403 89373 98301 141267 145111 159607 205209 208537 229369 268119 294903 423801 435333 478821 625611 688107 706831 1015777 1117249 1305999 1436463 1459759 1876833 2064321 2120493 3047331 3351747 3442951 4379277 4498441 4947817 6361479 7110439 9141993 10055241 10328853 13137831 13495323 14843451 21331317 21911761 24100657 30986559 31489087 34634719 40485969 44530353 63993951 65735283 72301971 94467261 103904157 106731481 153382327 168704599 197205849 216905913 220423609 283401783 311712471 320194443 460146981 506113797 519885601 661270827 679264591 747120367 960583329 1073676289 1380440943 1518341391 1559656803 1983812481 2037793773 2241361101 3221028867 3308675911 3639199207 4678970409 4754852137 5229842569 6113381319 6724083303 9663086601 9926027733 10917597621 14264556411 15689527707 16116453631 23160731377 25474394449 29778083199 32752792863 33283964959 42793669233 47068583121 48349360893 69482194131 76423183347 78502725751 99851894877 102568953241 112815175417 145048082679 162125119639 208446582393 229269550041 235508177253 299555684631 307706859723 338445526251 486375358917 499610062561 549519080257 706524531759 717982672687 789706227919 923120579169 1015336578753 1459126076751 1498830187683 1648557240771 2153948018061 2369118683757 2433584498281 3497270437927 3846633561799 4496490563049 4945671722313 5025878708809 6461844054183 7107356051271 7300753494843 10491811313781 11539900685397 11853911588401 15077636126427 15487911939391 17035091487967 21902260484529 24480893065489 31475433941343 34619702056191 35561734765203 45232908379281 46463735818173 51105274463901 73442679196467 75441119446711 82977381118807 106685204295609 108415383575737 119245640415769 139391207454519 153315823391703 220328037589401 226323358340133 248932143356421 325246150727211 357736921247307 367471259240431 528087836126977 580841667831649 678970075020399 746796430069263 758907685030159 975738452181633 1073210763741921 1102413777721293 1584263508380931 1742525003494947 2276723055090477 2338674702848041 2572298814683017 3307241333163879 3696614852888839 4752790525142793 5227575010484841 6830169165271431 7016024108544123 7716896444049051 11089844558666517 11391609036453361 16370722919936287 18006091702781119 21048072325632369 23150689332147153 33269533675999551 34174827109360083 49112168759808861 54018275108343357 79741263255173527 102524481328080249 114595060439554009 147336506279426583 162054825325030071 239223789765520581 343785181318662027 353139880130054191 558188842786214689 717671369296561743 1031355543955986081 1059419640390162573 1674566528358644067 2471979160910379337 3178258921170487719 5023699585075932201 7415937482731138011 17303854126372655359 22247812448193414033 51911562379117966077 155734687137353898231
• Sum of all divisors σ(n): 272201572846792550208
• Sum of proper divisors (its aliquot sum) s(n): 116466885709438651977
• 155734687137353898231 is a deficient number, because the sum of its proper divisors (116466885709438651977) is less than itself. Its deficiency is 39267801427915246254

Bases of 155734687137353898231

• Binary: 10000111000101000000110000001101010101101100100100110001100011110111₂
• Hexadecimal: 0x87140C0D56C9318F7
• Base-36: WV7637563HA7R

Squares and roots of 155734687137353898231

• 155734687137353898231 squared (155734687137353898231²) is 24253292777769501717335370753251904929361
• 155734687137353898231 cubed (155734687137353898231³) is 3777078962796578216059585876345101889266608406981338037860391
• The square root of 155734687137353898231 is 12479370462.3812614113
• The cube root of 155734687137353898231 is 5380159.0950100509
• Being both a perfect square and a perfect cube, 155734687137353898231 is also a perfect sixth number.

Scales and comparisons

• 155,734,687,137,353,898,231 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
• To count from 1 to 155,734,687,137,353,898,231 would take you about two hundred ninety-three billion, two hundred seventy-four million, seven hundred one thousand and 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 155734687137353898231 cubic inches would be around 448346.6 feet tall.

Recreational maths with 155734687137353898231

• 155734687137353898231 backwards is 132898353731786437551
• The number of decimal digits it has is: 21
• The sum of 155734687137353898231's digits is 99
• More coming soon!