157438161 is an odd 9-digits composite number following 157438160
and preceding 157438162 . In scientific notation, it is written as 1.57438161 × 10^8.
The sum of its digits is 36. It has a total of 5 prime factors and 20 positive divisors.
There are 99433656 positive integers (up to 157438161) that are relatively prime to 157438161.
157438161 has 20 divisors, whose sum is 247566000
The reverse of 157438161 is 161834751
Previous prime number is 19
Is Prime? no Number parity odd Number length 9 Sum of Digits 36 Digital Root 9
Name
one hundred fifty-seven million four hundred thirty-eight thousand one hundred sixty-one
Scientific notation
1.57438161 × 10^8
Engineering notation
1.57438161 × 10^6
Prime Factorization
3 × 3 × 9 × 19 × 102299
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
5 Total number of prime factors
rad Radical
52479387 Product of the distinct prime numbers
The prime factorization of 157438161 is 3 × 3 × 9 × 19 × 102299.
Since it has a total of 5 prime factors.
1 , 7 , 72 , 80 , 652 , 647 , 7323 , 6256 , 44678 , 38068 , 173260 , 575761 , 4772720 , 2928214 , 45697488 , 67856161 , 172245888 , 800400008 , 8795926161 , 6901754732
n×2
314876322
n×3
472314483
n×4
629752644
n×5
787190805
n÷2
78719080.5
n÷3
52479387
n÷3
39359540.25
n÷5
31487632.2
n2
24786774539061921
n3
3.9023842005515E+24
n4
6.1438419205029E+32
n5
9.6727517343868E+40
2 √n12547.436431399
3 √n539.97046134719
4 √n112.01534016106
5 √n43.593526393243
1 , 3 , 9 , 19 , 27 , 57 , 81 , 171 , 513 , 1539 , 102299 , 306897 , 920691 , 1943681 , 2762073 , 5831043 , 8286219 , 17493129 , 52479387 , 157438161
20 divisors
τ Total Divisors
20 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-157438160 Sum of the proper positive divisors of n
A Arithmetic Mean
0.05 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
20 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 157438161 can be divided by 20 positive divisors.
The sum of these divisors (counting 157438161) is 1, the average is 0.05.
Base
System
Value
2
Binary
1001011000100101000011010001
3
Ternary
101222020200120000
4
Quaternary
21120211003101
5
Quinary
310301010121
6
Senary
23342240213
8
Octal
1130450321
10
Decimal
157438161
12
Duodecimal
44886069
16
Hexadecimal
96250d1
20
Vigesimal
293jf81
36
Base36
2lqg29
md5
f9433f9478b378e1f8b8f378c767da51
sha1
1ea2b3571cefdad423a98513d5b2d67e95471d36
sha256
818e9d337cce04bab6221b6069cf448d0f2d939ebd7dad0df261d370c962853e
sha512
84d692cff80a32ebf5042df2fa3caf9882e417f40344f320c5ec15a17336098a5c2aa85b79c6c083beb3d528d1f619ac042f0e4d6c33364fd3d3de055e46f145
ripemd-160
4ff2dd1e138f168dc9e6a8c132c3b5a92995e529
Diameter
314876322
Circumference
989213139.98457
Area
7.7869948798103E+16
Volume
1.6346268714583E+25
Surface area
3.1147979519241E+17
Circumference
989213139.98457
Perimeter
629752644
Area
24786774539061921
Diagonal
222651182.52128
Surface area
148720647234371526
Volume
3.9023842005515E+24
Space diagonal
272690893.90221
Perimeter
472314483
Area
1.0732988214352E+16
Altitude
136345446.9511
Surface area
1.0732988214352E+16
Volume
4.5990038850087E+23
Height
74217060.840426