31318621664

Names of 31318621664

• Cardinal: 31318621664 can be written as Thirty-one billion, three hundred eighteen million, six hundred twenty-one thousand, six hundred sixty-four.

Scientific notation

• Scientific notation: 3.1318621664 × 10¹⁰

Factors of 31318621664

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 175

Divisors of 31318621664

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 4 8 11 16 22 32 44 59 88 103 118 121 176 206 236 242 352 412 472 484 649 824 944 968 1133 1298 1331 1648 1888 1936 2266 2596 2662 3296 3872 4532 5192 5324 6077 7139 9064 10384 10648 12154 12463 14278 14641 18128 20768 21296 24308 24926 28556 29282 36256 42592 48616 49852 57112 58564 66847 78529 97232 99704 114224 117128 133694 137093 157058 161051 194464 199408 228448 234256 267388 274186 314116 322102 398816 468512 534776 548372 628232 644204 735317 863819 1069552 1096744 1256464 1288408 1470634 1508023 1727638 2139104 2193488 2512928 2576816 2941268 3016046 3455276 4386976 5153632 5882536 6032092 6910552 8088487 9502009 11765072 12064184 13821104 16176974 16588253 19004018 23530144 24128368 27642208 32353948 33176506 38008036 48256736 64707896 66353012 76016072 88973357 129415792 132706024 152032144 177946714 258831584 265412048 304064288 355893428 530824096 711786856 978706927 1423573712 1957413854 2847147424 3914827708 7829655416 15659310832 31318621664
• Sum of all divisors σ(n): 69643566720
• Sum of proper divisors (its aliquot sum) s(n): 38324945056
• 31318621664 is an abundant number, because the sum of its proper divisors (38324945056) is greater than itself. Its abundance is 7006323392

Bases of 31318621664

• Binary: 11101001010101111000011110111100000₂
• Hexadecimal: 0x74ABC3DE0
• Base-36: EDYAR4W

Squares and roots of 31318621664

• 31318621664 squared (31318621664²) is 980856062932770128896
• 31318621664 cubed (31318621664³) is 30719059941832001934374338002944
• The square root of 31318621664 is 176970.6802382813
• The cube root of 31318621664 is 3152.1064826559

Scales and comparisons

• 31,318,621,664 seconds is equal to 995 years, 43 weeks, 3 days, 1 hour, 7 minutes, 44 seconds.
• To count from 1 to 31,318,621,664 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 31318621664 cubic inches would be around 262.7 feet tall.

Recreational maths with 31318621664

• 31318621664 backwards is 46612681313
• The number of decimal digits it has is: 11
• The sum of 31318621664's digits is 41
• More coming soon!