166489920
166,489,920 is an even composite number composed of four prime numbers multiplied together.
166489920 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of eighty-four divisors.
Prime factorization of 166489920:
26 × 32 × 5 × 57809
(2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 5 × 57809)See below for interesting mathematical facts about the number 166489920 from the Numbermatics database.
Names of 166489920
- Cardinal: 166489920 can be written as One hundred sixty-six million, four hundred eighty-nine thousand, nine hundred twenty.
Scientific notation
- Scientific notation: 1.6648992 × 108
Factors of 166489920
Divisors of 166489920
- Number of divisors d(n): 84
-
Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 32 36 40 45 48 60 64 72 80 90 96 120 144 160 180 192 240 288 320 360 480 576 720 960 1440 2880 57809 115618 173427 231236 289045 346854 462472 520281 578090 693708 867135 924944 1040562 1156180 1387416 1734270 1849888 2081124 2312360 2601405 2774832 3468540 3699776 4162248 4624720 5202810 5549664 6937080 8324496 9249440 10405620 11099328 13874160 16648992 18498880 20811240 27748320 33297984 41622480 55496640 83244960 166489920
- Sum of all divisors σ(n): 572665860
- Sum of proper divisors (its aliquot sum) s(n): 406175940
- 166489920 is an abundant number, because the sum of its proper divisors (406175940) is greater than itself. Its abundance is 239686020
Bases of 166489920
- Binary: 10011110110001101111010000002
- Hexadecimal: 0x9EC6F40
- Base-36: 2R4GG0
Squares and roots of 166489920
- 166489920 squared (1664899202) is 27718893461606400
- 166489920 cubed (1664899203) is 4614916354911372607488000
-
The
square root of 166489920 is 12903.0973025863 -
The
cube root of 166489920 is 550.1266044635
Scales and comparisons
How big is 166489920?- 166,489,920 seconds is equal to 5 years, 15 weeks, 1 day, 23 hours, 12 minutes.
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To count from 1 to 166,489,920 would take you about 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 166489920 cubic inches would be around 45.8 feet tall.
Recreational maths with 166489920
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