13279579940

Names of 13279579940

• Cardinal: 13279579940 can be written as Thirteen billion, two hundred seventy-nine million, five hundred seventy-nine thousand, nine hundred forty.

Scientific notation

• Scientific notation: 1.327957994 × 10¹⁰

Factors of 13279579940

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 925

Divisors of 13279579940

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 4 5 10 11 19 20 22 38 44 55 76 95 110 190 209 220 271 361 380 418 542 617 722 836 1045 1084 1234 1355 1444 1805 2090 2468 2710 2981 3085 3610 3971 4180 5149 5420 5962 6170 6787 7220 7942 10298 11723 11924 12340 13574 14905 15884 19855 20596 23446 25745 27148 29810 33935 39710 46892 51490 56639 58615 59620 67870 79420 97831 102980 113278 117230 128953 135740 167207 195662 222737 226556 234460 257906 283195 334414 391324 445474 489155 515812 566390 644765 668828 836035 890948 978310 1076141 1113685 1132780 1289530 1672070 1839277 1956620 2152282 2227370 2450107 2579060 3176933 3344140 3678554 4304564 4454740 4900214 5380705 6353866 7357108 9196385 9800428 10761410 12250535 12707732 15884665 18392770 21522820 24501070 31769330 34946263 36785540 49002140 60361727 63538660 69892526 120723454 139785052 174731315 241446908 301808635 349462630 603617270 663978997 698925260 1207234540 1327957994 2655915988 3319894985 6639789970 13279579940
• Sum of all divisors σ(n): 32278466304
• Sum of proper divisors (its aliquot sum) s(n): 18998886364
• 13279579940 is an abundant number, because the sum of its proper divisors (18998886364) is greater than itself. Its abundance is 5719306424

Bases of 13279579940

• Binary: 1100010111100001100100111100100100₂
• Hexadecimal: 0x317864F24
• Base-36: 63MBHGK

Squares and roots of 13279579940

• 13279579940 squared (13279579940²) is 176347243382850403600
• 13279579940 cubed (13279579940³) is 2341817315701197959667463784000
• The square root of 13279579940 is 115237.0597507591
• The cube root of 13279579940 is 2368.0713263855

Scales and comparisons

• 13,279,579,940 seconds is equal to 422 years, 12 weeks, 6 days, 20 hours, 12 minutes, 20 seconds.
• To count from 1 to 13,279,579,940 would take you about eight hundred forty-four 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 13279579940 cubic inches would be around 197.3 feet tall.

Recreational maths with 13279579940

• 13279579940 backwards is 04997597231
• The number of decimal digits it has is: 11
• The sum of 13279579940's digits is 56
• More coming soon!