725120145490607790121

Names of 725120145490607790121

• Cardinal: 725120145490607790121 can be written as Seven hundred twenty-five quintillion, one hundred twenty quadrillion, one hundred forty-five trillion, four hundred ninety billion, six hundred seven million, seven hundred ninety thousand, one hundred twenty-one.

Scientific notation

• Scientific notation: 7.25120145490607790121 × 10²⁰

Factors of 725120145490607790121

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 3281

Divisors of 725120145490607790121

• Number of divisors d(n): 105
• Complete list of divisors:
  1 11 41 121 451 1331 1681 3229 4961 14641 18491 35519 54571 68921 132389 203401 390709 600281 758131 1456279 2237411 2825761 4297799 5427949 8339441 10426441 16019069 24611521 31083371 47275789 59707439 91733851 114690851 115856201 176209759 222545909 341917081 427484081 656781829 1009072361 1261599361 1274418211 1938307349 2448004999 3761087891 4702324891 4750104241 7224600119 9124382269 13877592971 14018600321 17526847321 26928054989 41371966801 51725573801 52251146651 79470601309 100368204959 152653522681 154204603531 192795320531 296208604879 374099673029 568981311811 574762613161 718600740161 1104050254549 1696250638841 2120748525841 3258294653669 4115096403319 6258794429921 6322388744771 7904608141771 12144552800039 15338086594189 23328233784251 29462630346601 45266060436509 69546276192481 86950689559481 133590080800429 168718952536079 256610571626761 324088933812611 497926664801599 956457585154291 1207967844210641 1855908477896869 3564978271938721 5477193312817589 10521033436697201 13287646286317051 20414993256865559 39214760991325931 49526681612636281 146164109149487561 224564925825521149 431362370904585241 544793497738999091 1607805200644363171 5992728475128990001 17685857207087994881 65920013226418890011 725120145490607790121
• Sum of all divisors σ(n): 817821161346249662385
• Sum of proper divisors (its aliquot sum) s(n): 92701015855641872264
• 725120145490607790121 is a deficient number, because the sum of its proper divisors (92701015855641872264) is less than itself. Its deficiency is 632419129634965917857

Bases of 725120145490607790121

• Binary: 1001110100111100010000010000100111100011110111001111101101100000101001₂
• Hexadecimal: 0x274F104278F73ED829
• Base-36: 4914FAZGTCI7U1

Squares and roots of 725120145490607790121

• 725120145490607790121 squared (725120145490607790121²) is 525799225396320209062034178817411185194641
• 725120145490607790121 cubed (725120145490607790121³) is 381267610818228588480514775912254433803540985869475294261941561
• 725120145490607790121 is a perfect square number. Its square root is 26928054989
• The cube root of 725120145490607790121 is 8984005.1111027621

Scales and comparisons

• 725,120,145,490,607,790,121 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
• To count from 1 to 725,120,145,490,607,790,121 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 725120145490607790121 cubic inches would be around 748667.1 feet tall.

Recreational maths with 725120145490607790121

• 725120145490607790121 backwards is 121097706094541021527
• The number of decimal digits it has is: 21
• The sum of 725120145490607790121's digits is 73
• More coming soon!