155142144
155,142,144 is an even composite number composed of four prime numbers multiplied together.
155142144 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of one hundred forty-four divisors.
Prime factorization of 155142144:
211 × 32 × 19 × 443
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 19 × 443)See below for interesting mathematical facts about the number 155142144 from the Numbermatics database.
Names of 155142144
- Cardinal: 155142144 can be written as One hundred fifty-five million, one hundred forty-two thousand, one hundred forty-four.
Scientific notation
- Scientific notation: 1.55142144 × 108
Factors of 155142144
Divisors of 155142144
- Number of divisors d(n): 144
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Complete list of divisors:
1 2 3 4 6 8 9 12 16 18 19 24 32 36 38 48 57 64 72 76 96 114 128 144 152 171 192 228 256 288 304 342 384 443 456 512 576 608 684 768 886 912 1024 1152 1216 1329 1368 1536 1772 1824 2048 2304 2432 2658 2736 3072 3544 3648 3987 4608 4864 5316 5472 6144 7088 7296 7974 8417 9216 9728 10632 10944 14176 14592 15948 16834 18432 19456 21264 21888 25251 28352 29184 31896 33668 38912 42528 43776 50502 56704 58368 63792 67336 75753 85056 87552 101004 113408 116736 127584 134672 151506 170112 175104 202008 226816 255168 269344 303012 340224 350208 404016 453632 510336 538688 606024 680448 808032 907264 1020672 1077376 1212048 1360896 1616064 2041344 2154752 2424096 2721792 3232128 4082688 4309504 4848192 6464256 8165376 8619008 9696384 12928512 17238016 19392768 25857024 38785536 51714048 77571072 155142144
- Sum of all divisors σ(n): 472726800
- Sum of proper divisors (its aliquot sum) s(n): 317584656
- 155142144 is an abundant number, because the sum of its proper divisors (317584656) is greater than itself. Its abundance is 162442512
Bases of 155142144
- Binary: 10010011111101001000000000002
- Hexadecimal: 0x93F4800
- Base-36: 2KD8G0
Squares and roots of 155142144
- 155142144 squared (1551421442) is 24069084844916736
- 155142144 cubed (1551421443) is 3734129426958289924521984
-
The
square root of 155142144 is 12455.6069302141 -
The
cube root of 155142144 is 537.3326902373
Scales and comparisons
How big is 155142144?- 155,142,144 seconds is equal to 4 years, 48 weeks, 3 days, 15 hours, 2 minutes, 24 seconds.
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To count from 1 to 155,142,144 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 155142144 cubic inches would be around 44.8 feet tall.
Recreational maths with 155142144
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