121505798017728

Names of 121505798017728

• Cardinal: 121505798017728 can be written as One hundred twenty-one trillion, five hundred five billion, seven hundred ninety-eight million, seventeen thousand, seven hundred twenty-eight.

Scientific notation

• Scientific notation: 1.21505798017728 × 10¹⁴

Factors of 121505798017728

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 19366

Divisors of 121505798017728

• Number of divisors d(n): 168
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 32 36 48 64 72 96 144 192 288 576 3467 6427 6934 9467 10401 12854 13868 18934 19281 20802 25708 27736 28401 31203 37868 38562 41604 51416 55472 56802 57843 62406 75736 77124 83208 85203 102832 110944 113604 115686 124812 151472 154248 166416 170406 205664 221888 227208 231372 249624 302944 308496 332832 340812 411328 454416 462744 499248 605888 616992 665664 681624 908832 925488 998496 1233984 1363248 1817664 1850976 1996992 2726496 3701952 5452992 22282409 32822089 44564818 60844409 65644178 66847227 89129636 98466267 121688818 131288356 133694454 178259272 182533227 196932534 200541681 243377636 262576712 267388908 295398801 356518544 365066454 393865068 401083362 486755272 525153424 534777816 547599681 590797602 713037088 730132908 787730136 802166724 973510544 1050306848 1069555632 1095199362 1181595204 1426074176 1460265816 1575460272 1604333448 1947021088 2100613696 2139111264 2190398724 2363190408 2920531632 3150920544 3208666896 3894042176 4278222528 4380797448 4726380816 5841063264 6301841088 6417333792 8761594896 9452761632 11682126528 12834667584 17523189792 18905523264 35046379584 210947566003 421895132006 632842698009 843790264012 1265685396018 1687580528024 1898528094027 2531370792036 3375161056048 3797056188054 5062741584072 6750322112096 7594112376108 10125483168144 13500644224192 15188224752216 20250966336288 30376449504432 40501932672576 60752899008864 121505798017728
• Sum of all divisors σ(n): 348465895083072
• Sum of proper divisors (its aliquot sum) s(n): 226960097065344
• 121505798017728 is an abundant number, because the sum of its proper divisors (226960097065344) is greater than itself. Its abundance is 105454299047616

Bases of 121505798017728

• Binary: 11011101000001001000101111011011101001011000000₂
• Hexadecimal: 0x6E8245EDD2C0
• Base-36: 172IZQYB40

Squares and roots of 121505798017728

• 121505798017728 squared (121505798017728²) is 14763658951924913574202281984
• 121505798017728 cubed (121505798017728³) is 1793870162615210405814205353730401287012352
• The square root of 121505798017728 is 11022966.8428117845
• The cube root of 121505798017728 is 49529.6965658557

Scales and comparisons

• 121,505,798,017,728 seconds is equal to 3,863,508 years, 27 weeks, 5 days, 16 hours, 28 minutes, 48 seconds.
• To count from 1 to 121,505,798,017,728 would take you about nine million, six hundred fifty-eight thousand, seven hundred seventy-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 121505798017728 cubic inches would be around 4127.5 feet tall.

Recreational maths with 121505798017728

• 121505798017728 backwards is 827710897505121
• The number of decimal digits it has is: 15
• The sum of 121505798017728's digits is 63
• More coming soon!