157021185 is an odd 9-digits composite number following 157021184
and preceding 157021186 . In scientific notation, it is written as 1.57021185 × 10^8.
The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors.
There are 81036800 positive integers (up to 157021185) that are relatively prime to 157021185.
157021185 has 8 divisors, whose sum is 158558400
The reverse of 157021185 is 581120751
Previous prime number is 131
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 30
Digital Root 3
Name
one hundred fifty-seven million twenty-one thousand one hundred eighty-five
Scientific notation
1.57021185 × 10^8
Engineering notation
1.57021185 × 10^6
Prime Factorization
615 × 131 × 1949
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
157021185
Product of the distinct prime numbers
The prime factorization of 157021185 is 615 × 131 × 1949.
Since it has a total of 3 prime factors.
1 , 7 , 73 , 96 , 662 , 702 , 3196 , 5899 , 51416 , 16774 , 56045 , 669244 , 756016 , 227035 , 87771542 , 63451523 , 465807006 , 666325075 , 1335872218 , 1218651629
n×2
314042370
n×3
471063555
n×4
628084740
n×5
785105925
n÷2
78510592.5
n÷3
52340395
n÷3
39255296.25
n÷5
31404237
n2
24655652538804225
n3
3.8714597785913E+24
n4
6.0790120211424E+32
n5
9.5453367118903E+40
2 √n
12530.809431158
3 √n
539.49333477416
4 √n
111.94109804338
5 √n
43.570410343046
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
-157021184
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 157021185 can be divided by 8 positive divisors.
The sum of these divisors (counting 157021185) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001010110111111010000000001
3
Ternary
101221110111120110
4
Quaternary
21112333100001
5
Quinary
310144134220
6
Senary
23325301533
8
Octal
1126772001
10
Decimal
157021185
12
Duodecimal
447048a9
16
Hexadecimal
95bf401
20
Vigesimal
2917cj5
36
Base36
2lhibl
md5
41e6ccae25ceb73eef9de2efc2844108
sha1
b25d7eb2383331ba08e69efd1d5af4658deea121
sha256
2d9eaf31f0a11568924ad2b4e71e06ff7e95889d81a075a5529db069de0848fa
sha512
305eabe85f25d4a93056193cb2d5821c47ffcda610d4f5ece287e876753679cca8036a4fb15802315c8c03c41d5376635c8086fca3459e07a9eaec24a27f8110
ripemd-160
71b2a410502ecf905c7aba7080ff476c00a5f933
Diameter
314042370
Circumference
986593202.50793
Area
7.745801688537E+16
Volume
1.6216732798788E+25
Surface area
3.0983206754148E+17
Circumference
986593202.50793
Perimeter
628084740
Area
24655652538804225
Diagonal
222061489.40689
Surface area
147933915232825350
Volume
3.8714597785913E+24
Space diagonal
271968670.28467
Perimeter
471063555
Area
1.0676210722743E+16
Altitude
135984335.14234
Surface area
1.0676210722743E+16
Volume
4.5625591042215E+23
Height
74020496.468965