157088981 is an odd 9-digits composite number following 157088980
and preceding 157088982 . In scientific notation, it is written as 1.57088981 × 10^8.
The sum of its digits is 47. It has a total of 3 prime factors and 8 positive divisors.
There are 134548560 positive integers (up to 157088981) that are relatively prime to 157088981.
157088981 has 8 divisors, whose sum is 179662464
The reverse of 157088981 is 189880751
Previous prime number is 1493
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 47
Digital Root 2
Name
one hundred fifty-seven million eighty-eight thousand nine hundred eighty-one
Scientific notation
1.57088981 × 10^8
Engineering notation
1.57088981 × 10^6
Prime Factorization
7 × 1493 × 15031
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
157088981
Product of the distinct prime numbers
The prime factorization of 157088981 is 7 × 1493 × 15031.
Since it has a total of 3 prime factors.
7 , 9 , 51 , 39 , 839 , 265 , 1876 , 9756 , 71253 , 10870 , 858759 , 324026 , 9736840 , 3354374 , 98335363 , 27157778 , 762453022 , 492011182 , 2183391359 , 2208749807
n×2
314177962
n×3
471266943
n×4
628355924
n×5
785444905
n÷2
78544490.5
n÷3
52362993.666667
n÷3
39272245.25
n÷5
31417796.2
n2
24676947951618361
n3
3.8764766079098E+24
n4
6.0895176020688E+32
n5
9.5659611489055E+40
2 √n
12533.514311637
3 √n
539.57096809351
4 √n
111.95317910464
5 √n
43.574172115087
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
-157088980
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 157088981 can be divided by 8 positive divisors.
The sum of these divisors (counting 157088981) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001010111001111110011010101
3
Ternary
101221120221120102
4
Quaternary
21113033303111
5
Quinary
310203321411
6
Senary
23330543445
8
Octal
1127176325
10
Decimal
157088981
12
Duodecimal
44737b85
16
Hexadecimal
95cfcd5
20
Vigesimal
291g291
36
Base36
2liymt
md5
3416b6d24e4e5f33a6101dc6a68d1af6
sha1
04fb4785e0b0481a2a7b01c2a75223cee35880d1
sha256
241197a6a65c6f9c8060f9df90b5fb276042c4f5e425bcca9ea03765da680f1f
sha512
445b90462610d81762b6dc44c00b54b1d2ff6d0578b94ec86d3eaddbd597d7877b32b1099689521339ed4acae259b4a5957a9566b0d3cfe9b7d68007a6996757
ripemd-160
c7fc21c671d5c9711c38894efd36999c98f21f93
Diameter
314177962
Circumference
987019177.33901
Area
7.7524918397822E+16
Volume
1.6237747244296E+25
Surface area
3.1009967359129E+17
Circumference
987019177.33901
Perimeter
628355924
Area
24676947951618361
Diagonal
222157367.42957
Surface area
148061687709710166
Volume
3.8764766079098E+24
Space diagonal
272086096.40122
Perimeter
471266943
Area
1.0685431906984E+16
Altitude
136043048.20061
Surface area
1.0685431906984E+16
Volume
4.5684714942734E+23
Height
74052455.809856