13900939640

Names of 13900939640

• Cardinal: 13900939640 can be written as Thirteen billion, nine hundred million, nine hundred thirty-nine thousand, six hundred forty.

Scientific notation

• Scientific notation: 1.390093964 × 10¹⁰

Factors of 13900939640

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 522

Divisors of 13900939640

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 4 5 7 8 10 14 20 23 28 35 40 46 53 56 70 92 106 115 139 140 161 184 212 230 265 278 280 293 322 371 424 460 530 556 586 644 695 742 805 920 973 1060 1112 1172 1219 1288 1390 1465 1484 1610 1855 1946 2051 2120 2344 2438 2780 2930 2968 3197 3220 3710 3892 4102 4865 4876 5560 5860 6095 6394 6440 6739 7367 7420 7784 8204 8533 9730 9752 10255 11720 12190 12788 13478 14734 14840 15529 15985 16408 17066 19460 20510 22379 24380 25576 26956 29468 31058 31970 33695 34132 36835 38920 40727 41020 42665 44758 47173 48760 51569 53912 58936 62116 63940 67390 68264 73670 77645 81454 82040 85330 89516 94346 103138 108703 111895 124232 127880 134780 147340 155290 162908 169441 170660 179032 188692 203635 206276 217406 223790 235865 257845 269560 285089 294680 310580 325816 338882 341320 357167 377384 407270 412552 434812 447580 471730 515690 543515 570178 621160 677764 714334 814540 847205 869624 895160 936721 943460 1031380 1087030 1140356 1186087 1355528 1425445 1428668 1629080 1694410 1785835 1873442 1886920 2062760 2158531 2174060 2280712 2372174 2500169 2850890 2857336 3388820 3571670 3746884 4317062 4348120 4683605 4744348 5000338 5701780 5930435 6557047 6777640 7143340 7493768 8634124 9367210 9488696 10000676 10792655 11403560 11860870 12500845 13114094 14286680 15109717 17268248 18734420 20001352 21585310 23721740 25001690 26228188 30219434 32785235 37468840 43170620 47443480 49646213 50003380 52456376 60438868 65570470 75548585 86341240 99292426 100006760 120877736 131140940 151097170 198584852 248231065 262281880 302194340 347523491 397169704 496462130 604388680 695046982 992924260 1390093964 1737617455 1985848520 2780187928 3475234910 6950469820 13900939640
• Sum of all divisors σ(n): 38407219200
• Sum of proper divisors (its aliquot sum) s(n): 24506279560
• 13900939640 is an abundant number, because the sum of its proper divisors (24506279560) is greater than itself. Its abundance is 10605339920

Bases of 13900939640

• Binary: 1100111100100011111000000101111000₂
• Hexadecimal: 0x33C8F8178
• Base-36: 6DW9DO8

Squares and roots of 13900939640

• 13900939640 squared (13900939640²) is 193236122874923329600
• 13900939640 cubed (13900939640³) is 2686163680351932474397425344000
• The square root of 13900939640 is 117902.2461194019
• The cube root of 13900939640 is 2404.4442905005

Scales and comparisons

• 13,900,939,640 seconds is equal to 442 years, 2 days, 12 hours, 7 minutes, 20 seconds.
• To count from 1 to 13,900,939,640 would take you about eight hundred eighty-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 13900939640 cubic inches would be around 200.4 feet tall.

Recreational maths with 13900939640

• 13900939640 backwards is 04693900931
• The number of decimal digits it has is: 11
• The sum of 13900939640's digits is 44
• More coming soon!