157055987 is an odd 9-digits composite number following 157055986
and preceding 157055988 . In scientific notation, it is written as 1.57055987 × 10^8.
The sum of its digits is 47. It has a total of 2 prime factors and 4 positive divisors.
There are 142778160 positive integers (up to 157055987) that are relatively prime to 157055987.
157055987 has 4 divisors, whose sum is 171333816
The reverse of 157055987 is 789550751
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 47
Digital Root 2
Name
one hundred fifty-seven million fifty-five thousand nine hundred eighty-seven
Scientific notation
1.57055987 × 10^8
Engineering notation
1.57055987 × 10^6
Prime Factorization
11 × 14277817
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
157055987
Product of the distinct prime numbers
The prime factorization of 157055987 is 11 × 14277817.
Since it has a total of 2 prime factors.
4 , 3 , 76 , 51 , 420 , 93 , 7542 , 5525 , 51878 , 15099 , 706672 , 875769 , 8588447 , 9525881 , 85990474 , 25729398 , 309992990 , 331720462 , 5190672072 , 8592675225
n×2
314111974
n×3
471167961
n×4
628223948
n×5
785279935
n÷2
78527993.5
n÷3
52351995.666667
n÷3
39263996.75
n÷5
31411197.4
n2
24666583052544169
n3
3.8740345472348E+24
n4
6.0844031948806E+32
n5
9.5559194907792E+40
2 √n
12532.198011522
3 √n
539.5331893965
4 √n
111.94730015289
5 √n
43.572341551255
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-157055986
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
1
Returns the nth root of the product of n divisors
H
Harmonic Mean
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 157055987 can be divided by 4 positive divisors.
The sum of these divisors (counting 157055987) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001010111000111101111110011
3
Ternary
101221112021022102
4
Quaternary
21113013233303
5
Quinary
310201242422
6
Senary
23330131015
8
Octal
1127075763
10
Decimal
157055987
12
Duodecimal
44720a6b
16
Hexadecimal
95c7bf3
20
Vigesimal
291bjj7
36
Base36
2li96b
md5
4ad2e1b0a55c954ddc2e95d4880d6b76
sha1
7d7b032fe34b75509219a56323d0f1a1db5fcdd3
sha256
61bea155963458ee5bd7c3c64c2d86a522dd8db0b5e64a1cb9840206958ed793
sha512
7c5a15b708211a5a126e247650b3b8a86bd93c21e8a25d43471cb48bcbbb77881d62b6bdc383e4a4af3189ff701d198826d795a4e96b7f71ac7f0d559782a46a
ripemd-160
8e5c9864e78e5775b86cebef4ebe5b1c1183f3e2
Diameter
314111974
Circumference
986811869.92299
Area
7.7492356107035E+16
Volume
1.6227517964461E+25
Surface area
3.0996942442814E+17
Circumference
986811869.92299
Perimeter
628223948
Area
24666583052544169
Diagonal
222110706.86729
Surface area
147999498315265014
Volume
3.8740345472348E+24
Space diagonal
272028949.11688
Perimeter
471167961
Area
1.0680943774031E+16
Altitude
136014474.55844
Surface area
1.0680943774031E+16
Volume
4.5655934981678E+23
Height
74036902.289098