1221252725355

Names of 1221252725355

• Cardinal: 1221252725355 can be written as One trillion, two hundred twenty-one billion, two hundred fifty-two million, seven hundred twenty-five thousand, three hundred fifty-five.

Scientific notation

• Scientific notation: 1.221252725355 × 10¹²

Factors of 1221252725355

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 4981

Divisors of 1221252725355

• Number of divisors d(n): 128
• Complete list of divisors:
  1 3 5 13 15 31 37 39 65 93 111 155 185 195 403 465 481 555 1147 1209 1443 1723 2015 2405 3169 3441 5169 5735 6045 7215 8615 9507 14911 15845 17205 22399 25845 41197 44733 47535 53413 63751 67197 74555 98239 111995 117253 123591 160239 191253 205985 223665 267065 294717 318755 335985 351759 491195 586265 617955 694369 801195 828763 956265 1277107 1473585 1524289 1758795 1976281 2083107 2486289 3471845 3634843 3831321 4143815 4572867 5460187 5928843 6385535 7621445 9881405 10415535 10904529 12431445 16380561 18174215 19156605 22864335 25691653 27300935 29644215 47252959 54522645 70982431 77074959 81902805 128458265 141758877 169265797 202026919 212947293 236264795 354912155 385374795 507797391 606080757 708794385 846328985 1010134595 1064736465 2200455361 2538986955 2626349947 3030403785 6262834489 6601366083 7879049841 11002276805 13131749735 18788503467 31314172445 33006830415 39395249205 81416848357 93942517335 244250545071 407084241785 1221252725355
• Sum of all divisors σ(n): 2232900526080
• Sum of proper divisors (its aliquot sum) s(n): 1011647800725
• 1221252725355 is a deficient number, because the sum of its proper divisors (1011647800725) is less than itself. Its deficiency is 209604924630

Bases of 1221252725355

• Binary: 10001110001011000010101011011101001101011₂
• Hexadecimal: 0x11C5855BA6B
• Base-36: FL1AC9RF

Squares and roots of 1221252725355

• 1221252725355 squared (1221252725355²) is 1491458219187015059876025
• 1221252725355 cubed (1221252725355³) is 1821447414935257094301024039674113875
• The square root of 1221252725355 is 1105103.0383430317
• The cube root of 1221252725355 is 10688.9533571901

Scales and comparisons

• 1,221,252,725,355 seconds is equal to 38,832 years, 3 weeks, 12 hours, 9 minutes, 15 seconds.
• To count from 1 to 1,221,252,725,355 would take you about ninety-seven thousand and eighty 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 1221252725355 cubic inches would be around 890.7 feet tall.

Recreational maths with 1221252725355

• 1221252725355 backwards is 5535272521221
• The number of decimal digits it has is: 13
• The sum of 1221252725355's digits is 42
• More coming soon!