31320840078

Names of 31320840078

• Cardinal: 31320840078 can be written as Thirty-one billion, three hundred twenty million, eight hundred forty thousand and seventy-eight.

Scientific notation

• Scientific notation: 3.1320840078 × 10¹⁰

Factors of 31320840078

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 5290

Divisors of 31320840078

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 6 9 11 18 22 27 33 54 66 81 99 103 121 162 198 206 242 243 297 309 363 486 594 618 726 891 927 1089 1133 1782 1854 2178 2266 2673 2781 3267 3399 5171 5346 5562 6534 6798 8343 9801 10197 10342 12463 15513 16686 19602 20394 24926 25029 29403 30591 31026 37389 46539 50058 56881 58806 61182 74778 91773 93078 112167 113762 139617 170643 183546 224334 275319 279234 336501 341286 418851 511929 532613 550638 625691 673002 837702 1009503 1023858 1065226 1251382 1256553 1535787 1597839 1877073 2019006 2513106 3028509 3071574 3195678 3754146 4607361 4793517 5631219 5858743 6057018 9214722 9587034 11262438 11717486 13822083 14380551 16893657 17576229 27644166 28761102 33787314 35152458 43141653 50680971 52728687 64446173 86283306 101361942 105457374 128892346 129424959 152042913 158186061 193338519 258849918 304085826 316372122 386677038 474558183 580015557 949116366 1160031114 1423674549 1740046671 2847349098 3480093342 5220140013 10440280026 15660420039 31320840078
• Sum of all divisors σ(n): 78120701568
• Sum of proper divisors (its aliquot sum) s(n): 46799861490
• 31320840078 is an abundant number, because the sum of its proper divisors (46799861490) is greater than itself. Its abundance is 15479021412

Bases of 31320840078

• Binary: 11101001010110111100001011110001110₂
• Hexadecimal: 0x74ADE178E
• Base-36: EDZMAVI

Squares and roots of 31320840078

• 31320840078 squared (31320840078²) is 980995023191651046084
• 31320840078 cubed (31320840078³) is 30725588238699603559178372154552
• The square root of 31320840078 is 176976.9478717497
• The cube root of 31320840078 is 3152.1809060253

Scales and comparisons

• 31,320,840,078 seconds is equal to 995 years, 47 weeks, 17 hours, 21 minutes, 18 seconds.
• To count from 1 to 31,320,840,078 would take you about one thousand, nine hundred ninety-one 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 31320840078 cubic inches would be around 262.7 feet tall.

Recreational maths with 31320840078

• 31320840078 backwards is 87004802313
• The number of decimal digits it has is: 11
• The sum of 31320840078's digits is 36
• More coming soon!