13213212894

Names of 13213212894

• Cardinal: 13213212894 can be written as Thirteen billion, two hundred thirteen million, two hundred twelve thousand, eight hundred ninety-four.

Scientific notation

• Scientific notation: 1.3213212894 × 10¹⁰

Factors of 13213212894

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 433

Divisors of 13213212894

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 3 6 7 9 14 18 21 31 37 42 49 62 63 74 93 98 111 126 147 186 217 222 259 279 294 333 353 434 441 518 558 651 666 706 777 882 1059 1147 1302 1369 1519 1554 1813 1953 2118 2294 2331 2471 2738 3038 3177 3441 3626 3906 4107 4557 4662 4942 5439 6354 6882 7413 8029 8214 9114 9583 10323 10878 10943 12321 13061 13671 14826 16058 16317 17297 19166 20646 21886 22239 24087 24642 26122 27342 28749 32634 32829 34594 39183 42439 44478 48174 51891 56203 57498 65658 67081 72261 76601 78366 84878 86247 91427 98487 103782 112406 117549 127317 134162 144522 153202 155673 168609 172494 182854 196974 201243 229803 235098 254634 274281 297073 311346 337218 381951 402486 404891 459606 483257 505827 536207 548562 594146 603729 639989 689409 763902 809782 822843 891219 966514 1011654 1072414 1207458 1214673 1279978 1378818 1449771 1608621 1645686 1782438 1919967 2079511 2429346 2673657 2834237 2899542 3217242 3382799 3644019 3839934 4159022 4349313 4825863 5347314 5668474 5759901 6238533 6765598 7288038 8502711 8698626 9651726 10148397 11519802 12477066 14980967 17005422 18715599 19839659 20296794 23679593 25508133 29961934 30445191 37431198 39679318 44942901 47359186 51016266 59518977 60890382 71038779 89885802 104866769 119037954 134828703 142077558 178556931 209733538 213116337 269657406 314600307 357113862 426232674 629200614 734067383 943800921 1468134766 1887601842 2202202149 4404404298 6606606447 13213212894
• Sum of all divisors σ(n): 35431276608
• Sum of proper divisors (its aliquot sum) s(n): 22218063714
• 13213212894 is an abundant number, because the sum of its proper divisors (22218063714) is greater than itself. Its abundance is 9004850820

Bases of 13213212894

• Binary: 1100010011100100011010000011011110₂
• Hexadecimal: 0x31391A0DE
• Base-36: 62IT0BI

Squares and roots of 13213212894

• 13213212894 squared (13213212894²) is 174588994982167855236
• 13213212894 cubed (13213212894³) is 2306881559648881604876640612984
• The square root of 13213212894 is 114948.7402888783
• The cube root of 13213212894 is 2364.1197846577

Scales and comparisons

• 13,213,212,894 seconds is equal to 420 years, 7 weeks, 1 day, 16 hours, 54 minutes, 54 seconds.
• To count from 1 to 13,213,212,894 would take you about eight hundred forty 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 13213212894 cubic inches would be around 197 feet tall.

Recreational maths with 13213212894

• 13213212894 backwards is 49821231231
• The number of decimal digits it has is: 11
• The sum of 13213212894's digits is 36
• More coming soon!