31421237428764205

Names of 31421237428764205

• Cardinal: 31421237428764205 can be written as Thirty-one quadrillion, four hundred twenty-one trillion, two hundred thirty-seven billion, four hundred twenty-eight million, seven hundred sixty-four thousand, two hundred five.

Scientific notation

• Scientific notation: 3.1421237428764205 × 10¹⁶

Factors of 31421237428764205

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 437

Divisors of 31421237428764205

• Number of divisors d(n): 216
• Complete list of divisors:
  1 5 11 41 55 97 121 205 283 451 485 605 1067 1415 1681 2255 3113 3977 4961 5335 8405 9409 11603 11737 15565 18491 19885 24805 27451 34243 43747 47045 58015 58685 68921 80089 92455 103499 127633 137255 163057 171215 203401 218735 301961 344605 385769 400445 475723 481217 517495 638165 758131 815285 880979 1017005 1125491 1138489 1403963 1509805 1793627 1928845 2378615 2406085 2662747 3283649 3321571 3790655 4243459 4404895 5232953 5627455 5692445 6685337 7019815 7768633 8339441 8968135 9690769 12380401 13313735 15816529 16418245 16607855 19504643 19729897 21217295 26164765 29290217 33426685 36120139 38843165 41697205 46145131 46678049 48453845 57562483 61902005 73538707 79082645 85454963 97523215 98649485 109172627 134629609 136184411 146451085 173981819 180600695 214551073 230725655 233390245 287812415 318513953 322192387 367693535 397321529 427274815 507596441 545863135 648477689 673148045 680922055 753557401 808925777 869909095 940004593 1072755365 1200898897 1480925699 1592569765 1610961935 1891950371 1913800009 1986607645 2360061803 2537982205 3242388445 3503653483 3767787005 4044628885 4476077707 4700022965 5519813969 5583560851 6004494485 7133254579 7404628495 8289131411 9459751855 9569000045 11800309015 13059072073 13209887867 16290182689 17518267415 20811454081 22380388535 27599069845 27917804255 30895853441 35666272895 38540188313 41445657055 49236854777 60717953659 65295360365 66049439335 78465800369 81450913445 91180445521 104057270405 143649792803 154479267205 183519185987 192700941565 228925994891 246184273885 303589768295 339854387851 392329001845 455902227605 535421954993 541605402547 667897490249 718248964015 917595929935 1144629974455 1266729991081 1580147720833 1699271939255 2018711045857 2677109774965 2708027012735 3339487451245 3738398266361 5889641504923 6333649955405 7900738604165 10093555229285 13934029901891 18691991331805 22205821504427 29448207524615 51935929634321 64786056554153 69670149509455 111029107522135 153274328920801 259679648171605 323930282770765 571295225977531 766371644604005 2856476129887655 6284247485752841 31421237428764205
• Sum of all divisors σ(n): 43075650660176232
• Sum of proper divisors (its aliquot sum) s(n): 11654413231412027
• 31421237428764205 is a deficient number, because the sum of its proper divisors (11654413231412027) is less than itself. Its deficiency is 19766824197352178

Bases of 31421237428764205

• Binary: 1101111101000010111001011101111010110000011111000101101₂
• Hexadecimal: 0x6FA172EF583E2D
• Base-36: 8LDWD78RZ1P

Squares and roots of 31421237428764205

• 31421237428764205 squared (31421237428764205²) is 987294161554772588681913489282025
• 31421237428764205 cubed (31421237428764205³) is 31022004262245194270251554302220102475708469915125
• The square root of 31421237428764205 is 177260366.2096076259
• The cube root of 31421237428764205 is 315554.5365266505

Scales and comparisons

• 31,421,237,428,764,205 seconds is equal to 999,098,157 years, 50 weeks, 1 day, 14 hours, 3 minutes, 25 seconds.
• To count from 1 to 31,421,237,428,764,205 would take you about two billion, nine hundred ninety-seven million, two hundred ninety-four thousand, four hundred seventy-three 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 31421237428764205 cubic inches would be around 26296.2 feet tall.

Recreational maths with 31421237428764205

• 31421237428764205 backwards is 50246782473212413
• The number of decimal digits it has is: 17
• The sum of 31421237428764205's digits is 61
• More coming soon!