1311421039938768

Names of 1311421039938768

• Cardinal: 1311421039938768 can be written as One quadrillion, three hundred eleven trillion, four hundred twenty-one billion, thirty-nine million, nine hundred thirty-eight thousand, seven hundred sixty-eight.

Scientific notation

• Scientific notation: 1.311421039938768 × 10¹⁵

Factors of 1311421039938768

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 3213598

Divisors of 1311421039938768

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 3 4 6 8 11 12 16 22 24 33 44 48 66 88 132 176 264 528 1293701 1919881 2587402 3839762 3881103 5174804 5759643 7679524 7762206 10349608 11519286 14230711 15359048 15524412 20699216 21118691 23038572 28461422 30718096 31048824 42237382 42692133 46077144 56922844 62097648 63356073 84474764 85384266 92154288 113845688 126712146 168949528 170768532 227691376 253424292 337899056 341537064 506848584 683074128 1013697168 2483751969581 4967503939162 7451255908743 9935007878324 14902511817486 19870015756648 27321271665391 29805023634972 39740031513296 54642543330782 59610047269944 81963814996173 109285086661564 119220094539888 163927629992346 218570173323128 327855259984692 437140346646256 655710519969384 1311421039938768
• Sum of all divisors σ(n): 3695827712548032
• Sum of proper divisors (its aliquot sum) s(n): 2384406672609264
• 1311421039938768 is an abundant number, because the sum of its proper divisors (2384406672609264) is greater than itself. Its abundance is 1072985632670496

Bases of 1311421039938768

• Binary: 100101010001011101100000001001111001000110011010000₂
• Hexadecimal: 0x4A8BB013C8CD0
• Base-36: CWUYIBAI1C

Squares and roots of 1311421039938768

• 1311421039938768 squared (1311421039938768²) is 1719825143994079733761189357824
• 1311421039938768 cubed (1311421039938768³) is 2255414878849557465074976569016817070201720832
• The square root of 1311421039938768 is 36213547.7402969731
• The cube root of 1311421039938768 is 109457.9682008639

Scales and comparisons

• 1,311,421,039,938,768 seconds is equal to 41,699,132 years, 30 weeks, 13 hours, 12 minutes, 48 seconds.
• To count from 1 to 1,311,421,039,938,768 would take you about one hundred twenty-five million, ninety-seven thousand, three hundred ninety-seven 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 1311421039938768 cubic inches would be around 9121.5 feet tall.

Recreational maths with 1311421039938768

• 1311421039938768 backwards is 8678399301241131
• 1311421039938768 is a Harshad number.
• The number of decimal digits it has is: 16
• The sum of 1311421039938768's digits is 66
• More coming soon!