1231253478

Names of 1231253478

• Cardinal: 1231253478 can be written as One billion, two hundred thirty-one million, two hundred fifty-three thousand, four hundred seventy-eight.

Scientific notation

• Scientific notation: 1.231253478 × 10⁹

Factors of 1231253478

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1569

Divisors of 1231253478

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 6 7 9 13 14 18 21 26 39 42 49 63 73 78 91 98 117 126 146 147 182 219 234 273 294 438 441 511 546 637 657 819 882 949 1022 1274 1314 1471 1533 1638 1898 1911 2847 2942 3066 3577 3822 4413 4599 5694 5733 6643 7154 8541 8826 9198 10297 10731 11466 13239 13286 17082 19123 19929 20594 21462 26478 30891 32193 38246 39858 46501 57369 59787 61782 64386 72079 92673 93002 107383 114738 119574 133861 139503 144158 172107 185346 214766 216237 267722 279006 322149 344214 401583 418509 432474 644298 648711 751681 803166 837018 937027 966447 1204749 1297422 1395979 1503362 1874054 1932894 2255043 2409498 2791958 2811081 4187937 4510086 5261767 5622162 6765129 8375874 8433243 9771853 10523534 12563811 13530258 15785301 16866486 19543706 25127622 29315559 31570602 47355903 58631118 68402971 87946677 94711806 136805942 175893354 205208913 410417826 615626739 1231253478
• Sum of all divisors σ(n): 3390057216
• Sum of proper divisors (its aliquot sum) s(n): 2158803738
• 1231253478 is an abundant number, because the sum of its proper divisors (2158803738) is greater than itself. Its abundance is 927550260

Bases of 1231253478

• Binary: 1001001011000110110111111100110₂
• Hexadecimal: 0x49636FE6
• Base-36: KD219I

Squares and roots of 1231253478

• 1231253478 squared (1231253478²) is 1515985127087096484
• 1231253478 cubed (1231253478³) is 1866561960322259554846571352
• The square root of 1231253478 is 35089.2216784585
• The cube root of 1231253478 is 1071.8051103675

Scales and comparisons

• 1,231,253,478 seconds is equal to 39 years, 7 weeks, 5 days, 14 hours, 51 minutes, 18 seconds.
• To count from 1 to 1,231,253,478 would take you about seventy-eight 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 1231253478 cubic inches would be around 89.3 feet tall.

Recreational maths with 1231253478

• 1231253478 backwards is 8743521321
• The number of decimal digits it has is: 10
• The sum of 1231253478's digits is 36
• More coming soon!