164913400640

Names of 164913400640

• Cardinal: 164913400640 can be written as One hundred sixty-four billion, nine hundred thirteen million, four hundred thousand, six hundred forty.

Scientific notation

• Scientific notation: 1.6491340064 × 10¹¹

Factors of 164913400640

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 2737

Divisors of 164913400640

• Number of divisors d(n): 84
• Complete list of divisors:
  1 2 4 5 8 10 16 20 32 40 64 73 80 146 160 292 320 365 584 730 1168 1460 2336 2657 2920 4672 5314 5840 10628 11680 13285 21256 23360 26570 42512 53140 85024 106280 170048 193961 212560 387922 425120 775844 850240 969805 1551688 1939610 3103376 3879220 6206752 7059649 7758440 12413504 14119298 15516880 28238596 31033760 35298245 56477192 62067520 70596490 112954384 141192980 225908768 282385960 451817536 515354377 564771920 1030708754 1129543840 2061417508 2259087680 2576771885 4122835016 5153543770 8245670032 10307087540 16491340064 20614175080 32982680128 41228350160 82456700320 164913400640
• Sum of all divisors σ(n): 398229367116
• Sum of proper divisors (its aliquot sum) s(n): 233315966476
• 164913400640 is an abundant number, because the sum of its proper divisors (233315966476) is greater than itself. Its abundance is 68402565836

Bases of 164913400640

• Binary: 10011001100101100110101100101101000000₂
• Hexadecimal: 0x26659ACB40
• Base-36: 23RD6IBK

Squares and roots of 164913400640

• 164913400640 squared (164913400640²) is 27196429710649152409600
• 164913400640 cubed (164913400640³) is 4485055708849882945800786182144000
• The square root of 164913400640 is 406095.3097980817
• The cube root of 164913400640 is 5483.8468274661

Scales and comparisons

• 164,913,400,640 seconds is equal to 5,243 years, 38 weeks, 1 day, 21 hours, 57 minutes, 20 seconds.
• To count from 1 to 164,913,400,640 would take you about ten thousand, four hundred eighty-seven 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 164913400640 cubic inches would be around 457 feet tall.

Recreational maths with 164913400640

• 164913400640 backwards is 046004319461
• The number of decimal digits it has is: 12
• The sum of 164913400640's digits is 38
• More coming soon!