155372473331876939121

Names of 155372473331876939121

• Cardinal: 155372473331876939121 can be written as One hundred fifty-five quintillion, three hundred seventy-two quadrillion, four hundred seventy-three trillion, three hundred thirty-one billion, eight hundred seventy-six million, nine hundred thirty-nine thousand, one hundred twenty-one.

Scientific notation

• Scientific notation: 1.55372473331876939121 × 10²⁰

Factors of 155372473331876939121

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 18
• Sum of prime factors: 1051

Divisors of 155372473331876939121

• Number of divisors d(n): 195
• Complete list of divisors:
  1 3 9 27 81 137 243 411 729 911 1233 2187 2733 3699 6561 8199 11097 18769 19683 24597 33291 56307 59049 73791 99873 124807 168921 177147 221373 299619 374421 506763 531441 664119 829921 898857 1123263 1520289 1992357 2489763 2571353 2696571 3369789 4560867 5977071 7469289 7714059 8089713 10109367 13682601 17098559 17931213 22407867 23142177 24269139 30328101 41047803 51295677 53793639 67223601 69426531 72807417 90984303 113699177 123143409 153887031 161380917 201670803 208279593 272952909 341097531 352275361 369430227 461661093 484142751 605012409 624838779 818858727 1023292593 1056826083 1108290681 1384983279 1815037227 1874516337 2342502583 2456576181 3069877779 3170478249 3324872043 4154949837 5445111681 5623549011 7027507749 7369728543 9209633337 9511434747 9974616129 12464849511 15576787249 16335335043 16870647033 21082523247 22109185629 27628900011 28534304241 37394548533 46730361747 49006005129 50611941099 63247569741 66327556887 82886700033 85602912723 112183645599 140191085241 147018015387 151835823297 189742709223 248660100099 256808738169 320922853871 336550936797 420573255723 441054046161 455507469891 569228127669 745980300297 770426214507 962768561613 1009652810391 1261719767169 1366522409673 1707684383007 2134019853113 2237940900891 2311278643521 2888305684839 3028958431173 3785159301507 5123053149021 6402059559339 6713822702673 6933835930563 8664917054517 9086875293519 11355477904521 15369159447063 19206178678017 20141468108019 20801507791689 25994751163551 34066433713563 46107478341189 57618536034051 60424404324057 62404523375067 77984253490653 102199301140689 138322435023567 172855608102153 187213570125201 233952760471959 292360719876481 306597903422067 414967305070701 518566824306459 701858281415877 877082159629443 919793710266201 1244901915212103 1555700472919377 2105574844247631 2631246478888329 2759381130798603 4667101418758131 6316724532742893 7893739436664987 8278143392395809 14001304256274393 18950173598228679 23681218309994961 42003912768823179 56850520794686037 71043654929984883 126011738306469537 170551562384058111 213130964789954649 378035214919408611 639392894369863947 1134105644758225833 1918178683109591841 5754536049328775523 17263608147986326569 51790824443958979707 155372473331876939121
• Sum of all divisors σ(n): 235030220873384780173
• Sum of proper divisors (its aliquot sum) s(n): 79657747541507841052
• 155372473331876939121 is a deficient number, because the sum of its proper divisors (79657747541507841052) is less than itself. Its deficiency is 75714725790369098069

Bases of 155372473331876939121

• Binary: 10000110110000111001111010010100101111110100011000001100010101110001₂
• Hexadecimal: 0x86C39E94BF460C571
• Base-36: WSG3L4C3DTE29

Squares and roots of 155372473331876939121

• 155372473331876939121 squared (155372473331876939121²) is 24140605469264810635942735186323940252641
• 155372473331876939121 cubed (155372473331876939121³) is 3750785579488709372050402648335626796030931862203578516468561
• 155372473331876939121 is a perfect square number. Its square root is 12464849511
• The cube root of 155372473331876939121 is 5375984.7291251911

Scales and comparisons

• 155,372,473,331,876,939,121 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
• To count from 1 to 155,372,473,331,876,939,121 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 155372473331876939121 cubic inches would be around 447998.7 feet tall.

Recreational maths with 155372473331876939121

• 155372473331876939121 backwards is 121939678133374273551
• The number of decimal digits it has is: 21
• The sum of 155372473331876939121's digits is 90
• More coming soon!