161389615184691712

Names of 161389615184691712

• Cardinal: 161389615184691712 can be written as One hundred sixty-one quadrillion, three hundred eighty-nine trillion, six hundred fifteen billion, one hundred eighty-four million, six hundred ninety-one thousand, seven hundred twelve.

Scientific notation

• Scientific notation: 1.61389615184691712 × 10¹⁷

Factors of 161389615184691712

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 2147485282

Divisors of 161389615184691712

• Number of divisors d(n): 160
• Complete list of divisors:
  1 2 4 7 8 13 14 16 26 28 32 52 56 64 91 104 112 128 182 208 224 256 364 416 448 512 728 832 896 1456 1613 1664 1792 2912 3226 3328 3584 5824 6452 6656 11291 11648 12904 20969 22582 23296 25808 41938 45164 46592 51616 83876 90328 103232 146783 167752 180656 206464 293566 335504 361312 412928 587132 671008 722624 825856 1174264 1342016 1445248 2348528 2684032 2890496 4697056 5368064 5780992 9394112 10736128 18788224 37576448 75152896 2147483647 4294967294 8589934588 15032385529 17179869176 27917287411 30064771058 34359738352 55834574822 60129542116 68719476704 111669149644 120259084232 137438953408 195421011877 223338299288 240518168464 274877906816 390842023754 446676598576 481036336928 549755813632 781684047508 893353197152 962072673856 1099511627264 1563368095016 1786706394304 1924145347712 3126736190032 3463891122611 3573412788608 3848290695424 6253472380064 6927782245222 7146825577216 7696581390848 12506944760128 13855564490444 14293651154432 24247237858277 25013889520256 27711128980888 45030584593943 48494475716554 50027779040512 55422257961776 90061169187886 96988951433108 100055558081024 110844515923552 180122338375772 193977902866216 221689031847104 315214092157601 360244676751544 387955805732432 443378063694208 630428184315202 720489353503088 775911611464864 886756127388416 1260856368630404 1440978707006176 1551823222929728 1773512254776832 2521712737260808 2881957414012352 3103646445859456 5043425474521616 5763914828024704 6207292891718912 10086850949043232 11527829656049408 12414585783437824 20173701898086464 23055659312098816 40347403796172928 80694807592345856 161389615184691712
• Sum of all divisors σ(n): 397124839535542272
• Sum of proper divisors (its aliquot sum) s(n): 235735224350850560
• 161389615184691712 is an abundant number, because the sum of its proper divisors (235735224350850560) is greater than itself. Its abundance is 74345609166158848

Bases of 161389615184691712

• Binary: 1000111101010111101111111111111011100001010100001000000000₂
• Hexadecimal: 0x23D5EFFFB854200
• Base-36: 1853UDOKL24G

Squares and roots of 161389615184691712

• 161389615184691712 squared (161389615184691712²) is 26046607889462873620852788481490944
• 161389615184691712 cubed (161389615184691712³) is 4203652024146968333360692394179198482767002759856128
• The square root of 161389615184691712 is 401733263.7269307725
• The cube root of 161389615184691712 is 544450.6601009427

Scales and comparisons

• 161,389,615,184,691,712 seconds is equal to 5,131,690,552 years, 5 days, 22 hours, 21 minutes, 52 seconds.
• To count from 1 to 161,389,615,184,691,712 would take you about fifteen billion, three hundred ninety-five million, seventy-one thousand, six hundred fifty-six 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 161389615184691712 cubic inches would be around 45370.9 feet tall.

Recreational maths with 161389615184691712

• 161389615184691712 backwards is 217196481516983161
• The number of decimal digits it has is: 18
• The sum of 161389615184691712's digits is 79
• More coming soon!