1981231302612736

Names of 1981231302612736

• Cardinal: 1981231302612736 can be written as One quadrillion, nine hundred eighty-one trillion, two hundred thirty-one billion, three hundred two million, six hundred twelve thousand, seven hundred thirty-six.

Scientific notation

• Scientific notation: 1.981231302612736 × 10¹⁵

Factors of 1981231302612736

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 8285

Divisors of 1981231302612736

• Number of divisors d(n): 162
• Complete list of divisors:
  1 2 4 8 16 31 32 61 62 64 122 124 128 244 248 256 488 496 976 992 1891 1952 1984 3721 3782 3904 3968 7442 7564 7808 7936 8191 14884 15128 15616 16382 29768 30256 32764 59536 60512 65528 115351 119072 121024 131056 230702 238144 242048 253921 262112 461404 476288 484096 499651 507842 524224 922808 952576 999302 1015684 1048448 1845616 1998604 2031368 2096896 3691232 3997208 4062736 7382464 7994416 8125472 14764928 15489181 15988832 16250944 29529856 30478711 30978362 31977664 32501888 60957422 61956724 63955328 65003776 67092481 121914844 123913448 127910656 134184962 243829688 247826896 268369924 487659376 495653792 536739848 944840041 975318752 991307584 1073479696 1889680082 1950637504 1982615168 2079866911 2146959392 3779360164 3901275008 3965230336 4092641341 4159733822 4293918784 7558720328 7802550016 8185282682 8319467644 8587837568 15117440656 16370565364 16638935288 17175675136 30234881312 32741130728 33277870576 60469762624 65482261456 66555741152 120939525248 126871881571 130964522912 133111482304 241879050496 249651121801 253743763142 261929045824 266222964608 499302243602 507487526284 523858091648 532445929216 998604487204 1014975052568 1047716183296 1997208974408 2029950105136 3994417948816 4059900210272 7739184775831 7988835897632 8119800420544 15478369551662 15977671795264 16239600841088 30956739103324 31955343590528 32479201682176 61913478206648 63910687181056 123826956413296 247653912826592 495307825653184 990615651306368 1981231302612736
• Sum of all divisors σ(n): 4150821865121568
• Sum of proper divisors (its aliquot sum) s(n): 2169590562508832
• 1981231302612736 is an abundant number, because the sum of its proper divisors (2169590562508832) is greater than itself. Its abundance is 188359259896096

Bases of 1981231302612736

• Binary: 111000010011110101101011100000000101001011100000000₂
• Hexadecimal: 0x709EB5C029700
• Base-36: JIAD3FP69S

Squares and roots of 1981231302612736

• 1981231302612736 squared (1981231302612736²) is 3925277474452558690499989405696
• 1981231302612736 cubed (1981231302612736³) is 7776882603826073410196872043015493804680544256
• The square root of 1981231302612736 is 44511024.5064381325
• The cube root of 1981231302612736 is 125596.7477261427

Scales and comparisons

• 1,981,231,302,612,736 seconds is equal to 62,997,027 years, 3 weeks, 5 days, 7 hours, 32 minutes, 16 seconds.
• To count from 1 to 1,981,231,302,612,736 would take you about one hundred eighty-eight million, nine hundred ninety-one thousand and eighty-one 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 1981231302612736 cubic inches would be around 10466.4 feet tall.

Recreational maths with 1981231302612736

• 1981231302612736 backwards is 6372162031321891
• The number of decimal digits it has is: 16
• The sum of 1981231302612736's digits is 55
• More coming soon!