157087257 is an odd 9-digits composite number following 157087256
and preceding 157087258 . In scientific notation, it is written as 1.57087257 × 10^8.
The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors.
There are 103707888 positive integers (up to 157087257) that are relatively prime to 157087257.
157087257 has 8 divisors, whose sum is 211483584
The reverse of 157087257 is 752780751
Previous prime number is 103
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 42
Digital Root 6
Name
one hundred fifty-seven million eighty-seven thousand two hundred fifty-seven
Scientific notation
1.57087257 × 10^8
Engineering notation
1.57087257 × 10^6
Prime Factorization
3 × 103 × 508373
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
157087257
Product of the distinct prime numbers
The prime factorization of 157087257 is 3 × 103 × 508373.
Since it has a total of 3 prime factors.
4 , 3 , 42 , 42 , 943 , 524 , 8869 , 5211 , 42466 , 40068 , 131731 , 741377 , 5021282 , 6420527 , 38481323 , 60521024 , 476455274 , 894872274 , 227445204 , 5859934324
n×2
314174514
n×3
471261771
n×4
628349028
n×5
785436285
n÷2
78543628.5
n÷3
52362419
n÷3
39271814.25
n÷5
31417451.4
n2
24676406311784049
n3
3.8763489801356E+24
n4
6.0892502846426E+32
n5
9.5654362440097E+40
2 √n
12533.445535845
3 √n
539.56899421487
4 √n
111.95287194103
5 √n
43.57407647222
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-157087256
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 157087257 can be divided by 8 positive divisors.
The sum of these divisors (counting 157087257) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001010111001111011000011001
3
Ternary
101221120212012120
4
Quaternary
21113033120121
5
Quinary
310203243012
6
Senary
23330531453
8
Octal
1127173031
10
Decimal
157087257
12
Duodecimal
44736b89
16
Hexadecimal
95cf619
20
Vigesimal
291fi2h
36
Base36
2lixax
md5
d0616f066b49e117f8984feecc9a10c1
sha1
b43dcfe90b8834d0d2aa4b63565b37a59ba4a035
sha256
67fb05949402ca8d78e3d082d3419cb17687df671e0975e6b315deb8862306c5
sha512
0d12e1df2c0dc39f1587cd70746090399d27c3994ab2734a10e1594ada8a588460da0e1d81289d7b6e0bdd160f352aad7e9288754c14b4efed6b769346c20607
ripemd-160
0f80fccf82ff678d0dd44768c86bca9469ec0f8e
Diameter
314174514
Circumference
987008345.12754
Area
7.7523216786098E+16
Volume
1.6237212638326E+25
Surface area
3.1009286714439E+17
Circumference
987008345.12754
Perimeter
628349028
Area
24676406311784049
Diagonal
222154929.32539
Surface area
148058437870704294
Volume
3.8763489801356E+24
Space diagonal
272083110.34563
Perimeter
471261771
Area
1.0685197370056E+16
Altitude
136041555.17281
Surface area
1.0685197370056E+16
Volume
4.5683210834991E+23
Height
74051643.108463