13123967428

Names of 13123967428

• Cardinal: 13123967428 can be written as Thirteen billion, one hundred twenty-three million, nine hundred sixty-seven thousand, four hundred twenty-eight.

Scientific notation

• Scientific notation: 1.3123967428 × 10¹⁰

Factors of 13123967428

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 271

Divisors of 13123967428

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 4 11 13 17 22 26 31 34 44 52 62 68 124 143 169 187 197 221 286 289 338 341 374 394 403 442 527 572 578 676 682 748 788 806 884 1054 1156 1364 1612 1859 2108 2167 2431 2561 2873 3179 3349 3718 3757 4334 4433 4862 5122 5239 5746 5797 6107 6358 6698 6851 7436 7514 8668 8866 8959 9724 10244 10478 11492 11594 12214 12716 13396 13702 15028 17732 17918 20956 23188 24428 27404 28171 31603 33293 35836 36839 41327 43537 48841 56342 56933 57629 63206 66586 67177 73678 75361 79391 82654 87074 89063 97682 98549 103819 112684 113866 115258 116467 126412 133172 134354 147356 150722 158782 165308 174148 178126 195364 197098 207638 227732 230516 232934 268708 301444 317564 356252 366223 394196 415276 465868 478907 537251 565981 626263 732446 740129 873301 957814 979693 1032083 1074502 1131962 1142009 1252526 1281137 1349647 1464892 1480258 1514071 1746602 1764923 1915628 1959386 2064166 2149004 2263924 2284018 2505052 2562274 2699294 2960516 3028142 3493204 3529846 3918772 4128332 4568036 5124548 5398588 6056284 6225791 7059692 8141419 9621677 11352913 12451582 14846117 16282838 16654781 17545411 19243354 19414153 22705826 22943999 24903164 29692234 32565676 33309562 35090822 38486708 38828306 45411652 45887998 59384468 66619124 70181644 77656612 91775996 105838447 192999521 211676894 252383989 298271987 385999042 423353788 504767978 596543974 771998084 1009535956 1193087948 3280991857 6561983714 13123967428
• Sum of all divisors σ(n): 29900876544
• Sum of proper divisors (its aliquot sum) s(n): 16776909116
• 13123967428 is an abundant number, because the sum of its proper divisors (16776909116) is greater than itself. Its abundance is 3652941688

Bases of 13123967428

• Binary: 1100001110001111111101100111000100₂
• Hexadecimal: 0x30E3FD9C4
• Base-36: 611O62S

Squares and roots of 13123967428

• 13123967428 squared (13123967428²) is 172238521051204935184
• 13123967428 cubed (13123967428³) is 2260452740122905889507667186752
• The square root of 13123967428 is 114559.8857715909
• The cube root of 13123967428 is 2358.7851300129

Scales and comparisons

• 13,123,967,428 seconds is equal to 417 years, 15 weeks, 4 days, 18 hours, 30 minutes, 28 seconds.
• To count from 1 to 13,123,967,428 would take you about eight hundred thirty-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 13123967428 cubic inches would be around 196.6 feet tall.

Recreational maths with 13123967428

• 13123967428 backwards is 82476932131
• The number of decimal digits it has is: 11
• The sum of 13123967428's digits is 46
• More coming soon!