13131389440

Names of 13131389440

• Cardinal: 13131389440 can be written as Thirteen billion, one hundred thirty-one million, three hundred eighty-nine thousand, four hundred forty.

Scientific notation

• Scientific notation: 1.313138944 × 10¹⁰

Factors of 13131389440

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 1132

Divisors of 13131389440

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 4 5 8 10 13 16 19 20 26 32 38 40 52 64 65 76 80 95 104 128 130 152 160 190 208 247 256 260 304 320 361 380 416 494 512 520 608 640 722 760 832 988 1040 1093 1216 1235 1280 1444 1520 1664 1805 1976 2080 2186 2432 2470 2560 2888 3040 3328 3610 3952 4160 4372 4693 4864 4940 5465 5776 6080 6656 7220 7904 8320 8744 9386 9728 9880 10930 11552 12160 14209 14440 15808 16640 17488 18772 19760 20767 21860 23104 23465 24320 28418 28880 31616 33280 34976 37544 39520 41534 43720 46208 46930 48640 56836 57760 63232 69952 71045 75088 79040 83068 87440 92416 93860 103835 113672 115520 126464 139904 142090 150176 158080 166136 174880 184832 187720 207670 227344 231040 269971 279808 284180 300352 316160 332272 349760 375440 394573 415340 454688 462080 539942 559616 568360 600704 632320 664544 699520 750880 789146 830680 909376 924160 1079884 1136720 1201408 1329088 1349855 1399040 1501760 1578292 1661360 1818752 1972865 2159768 2273440 2402816 2658176 2699710 2798080 3003520 3156584 3322720 3637504 3945730 4319536 4546880 5129449 5316352 5399420 6007040 6313168 6645440 7275008 7891460 8639072 9093760 10258898 10632704 10798840 12014080 12626336 13290880 15782920 17278144 18187520 20517796 21597680 25252672 25647245 26581760 31565840 34556288 36375040 41035592 43195360 50505344 51294490 53163520 63131680 69112576 82071184 86390720 101010688 102588980 126263360 138225152 164142368 172781440 202021376 205177960 252526720 328284736 345562880 410355920 505053440 656569472 691125760 820711840 1010106880 1313138944 1641423680 2626277888 3282847360 6565694720 13131389440
• Sum of all divisors σ(n): 35817660648
• Sum of proper divisors (its aliquot sum) s(n): 22686271208
• 13131389440 is an abundant number, because the sum of its proper divisors (22686271208) is greater than itself. Its abundance is 9554881768

Bases of 13131389440

• Binary: 1100001110101100010001101000000000₂
• Hexadecimal: 0x30EB11A00
• Base-36: 61638XS

Squares and roots of 13131389440

• 13131389440 squared (13131389440²) is 172433388624943513600
• 13131389440 cubed (13131389440³) is 2264289978492999375083536384000
• The square root of 13131389440 is 114592.2747832505
• The cube root of 13131389440 is 2359.2297016823

Scales and comparisons

• 13,131,389,440 seconds is equal to 417 years, 27 weeks, 6 days, 16 hours, 10 minutes, 40 seconds.
• To count from 1 to 13,131,389,440 would take you about eight hundred thirty-five 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 13131389440 cubic inches would be around 196.6 feet tall.

Recreational maths with 13131389440

• 13131389440 backwards is 04498313131
• The number of decimal digits it has is: 11
• The sum of 13131389440's digits is 37
• More coming soon!