164978169640

Names of 164978169640

• Cardinal: 164978169640 can be written as One hundred sixty-four billion, nine hundred seventy-eight million, one hundred sixty-nine thousand, six hundred forty.

Scientific notation

• Scientific notation: 1.6497816964 × 10¹¹

Factors of 164978169640

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 368608

Divisors of 164978169640

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 4 5 8 10 19 20 31 38 40 62 76 95 124 152 155 190 248 310 361 380 589 620 722 760 1178 1240 1444 1805 2356 2888 2945 3610 4712 5890 7220 11191 11780 14440 22382 23560 44764 55955 89528 111910 223820 368551 447640 737102 1474204 1842755 2948408 3685510 7002469 7371020 11425081 14004938 14742040 22850162 28009876 35012345 45700324 56019752 57125405 70024690 91400648 114250810 133046911 140049380 217076539 228501620 266093822 280098760 434153078 457003240 532187644 665234555 868306156 1064375288 1085382695 1330469110 1736612312 2170765390 2660938220 4124454241 4341530780 5321876440 8248908482 8683061560 16497816964 20622271205 32995633928 41244542410 82489084820 164978169640
• Sum of all divisors σ(n): 404404738560
• Sum of proper divisors (its aliquot sum) s(n): 239426568920
• 164978169640 is an abundant number, because the sum of its proper divisors (239426568920) is greater than itself. Its abundance is 74448399280

Bases of 164978169640

• Binary: 10011001101001011101110001011100101000₂
• Hexadecimal: 0x2669771728
• Base-36: 23SFQQEG

Squares and roots of 164978169640

• 164978169640 squared (164978169640²) is 27217796457764617729600
• 164978169640 cubed (164978169640³) is 4490342241236082198983700449344000
• The square root of 164978169640 is 406175.0480273251
• The cube root of 164978169640 is 5484.5646522659

Scales and comparisons

• 164,978,169,640 seconds is equal to 5,245 years, 41 weeks, 2 days, 13 hours, 20 minutes, 40 seconds.
• To count from 1 to 164,978,169,640 would take you about ten thousand, four 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 164978169640 cubic inches would be around 457 feet tall.

Recreational maths with 164978169640

• 164978169640 backwards is 046961879461
• The number of decimal digits it has is: 12
• The sum of 164978169640's digits is 61
• More coming soon!