161376768
161,376,768 is an even composite number composed of four prime numbers multiplied together.
161376768 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of one hundred twenty divisors.
Prime factorization of 161376768:
29 × 32 × 7 × 5003
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 7 × 5003)See below for interesting mathematical facts about the number 161376768 from the Numbermatics database.
Names of 161376768
- Cardinal: 161376768 can be written as One hundred sixty-one million, three hundred seventy-six thousand, seven hundred sixty-eight.
Scientific notation
- Scientific notation: 1.61376768 × 108
Factors of 161376768
Divisors of 161376768
- Number of divisors d(n): 120
-
Complete list of divisors:
1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 32 36 42 48 56 63 64 72 84 96 112 126 128 144 168 192 224 252 256 288 336 384 448 504 512 576 672 768 896 1008 1152 1344 1536 1792 2016 2304 2688 3584 4032 4608 5003 5376 8064 10006 10752 15009 16128 20012 30018 32256 35021 40024 45027 60036 70042 80048 90054 105063 120072 140084 160096 180108 210126 240144 280168 315189 320192 360216 420252 480288 560336 630378 640384 720432 840504 960576 1120672 1260756 1280768 1440864 1681008 1921152 2241344 2521512 2561536 2881728 3362016 3842304 4482688 5043024 5763456 6724032 7684608 8965376 10086048 11526912 13448064 17930752 20172096 23053824 26896128 40344192 53792256 80688384 161376768
- Sum of all divisors σ(n): 532385568
- Sum of proper divisors (its aliquot sum) s(n): 371008800
- 161376768 is an abundant number, because the sum of its proper divisors (371008800) is greater than itself. Its abundance is 209632032
Bases of 161376768
- Binary: 10011001111001101010000000002
- Hexadecimal: 0x99E6A00
- Base-36: 2O2V40
Squares and roots of 161376768
- 161376768 squared (1613767682) is 26042461250125824
- 161376768 cubed (1613767683) is 4202648227310545070456832
-
The
square root of 161376768 is 12703.4156036871 -
The
cube root of 161376768 is 544.4362129843
Scales and comparisons
How big is 161376768?- 161,376,768 seconds is equal to 5 years, 6 weeks, 5 days, 18 hours, 52 minutes, 48 seconds.
-
To count from 1 to 161,376,768 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 161376768 cubic inches would be around 45.4 feet tall.
Recreational maths with 161376768
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