157646961 is an odd 9-digits composite number following 157646960
and preceding 157646962 . In scientific notation, it is written as 1.57646961 × 10^8.
The sum of its digits is 45. It has a total of 4 prime factors and 12 positive divisors.
There are 104056800 positive integers (up to 157646961) that are relatively prime to 157646961.
157646961 has 12 divisors, whose sum is 229968180
The reverse of 157646961 is 169646751
Previous prime number is 101
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 45
Digital Root 9
Name
one hundred fifty-seven million six hundred forty-six thousand nine hundred sixty-one
Scientific notation
1.57646961 × 10^8
Engineering notation
1.57646961 × 10^6
Prime Factorization
3 × 3 × 101 × 173429
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
52548987
Product of the distinct prime numbers
The prime factorization of 157646961 is 3 × 3 × 101 × 173429.
Since it has a total of 4 prime factors.
3 , 7 , 39 , 47 , 552 , 85 , 2404 , 1017 , 41138 , 64176 , 941283 , 941944 , 1089969 , 2495216 , 55250327 , 8741004 , 254308609 , 371473729 , 51899913 , 4587305265
n×2
315293922
n×3
472940883
n×4
630587844
n×5
788234805
n÷2
78823480.5
n÷3
52548987
n÷3
39411740.25
n÷5
31529392.2
n2
24852564312535521
n3
3.9179312369283E+24
n4
6.1764995290871E+32
n5
9.7370638037852E+40
2 √n
12555.754099217
3 √n
540.20906513892
4 √n
112.05246137063
5 √n
43.605083316115
1 , 3 , 9 , 101 , 303 , 909 , 173429 , 520287 , 1560861 , 17516329 , 52548987 , 157646961
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-157646960
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 157646961 can be divided by 12 positive divisors.
The sum of these divisors (counting 157646961) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001011001011000000001110001
3
Ternary
101222122021222100
4
Quaternary
21121120001301
5
Quinary
310324200321
6
Senary
23350531013
8
Octal
1131300161
10
Decimal
157646961
12
Duodecimal
44966a69
16
Hexadecimal
9658071
20
Vigesimal
2955h81
36
Base36
2lux69
md5
5d11f89ecb9d3a778145a99666a9ee6a
sha1
41347c0b08ad7fa2af02d7a42a24db3fcc341cbc
sha256
0d88233a494d890a5ea8a8dfc7fd35a3808bde7da8657683ee9593141f622d7d
sha512
815b3386982991feb7dada304db83a2e4de0bd74d968fbd082425b4daa4f458551be931d8ba24ef0e10bb1c5cfa9329582977492bbbbfa22c31f77294c7a90e2
ripemd-160
69787810b0523ef8d7675fd0c5c7469b6183f7d1
Diameter
315293922
Circumference
990525069.07671
Area
7.8076633467129E+16
Volume
1.6411391988272E+25
Surface area
3.1230653386852E+17
Circumference
990525069.07671
Perimeter
630587844
Area
24852564312535521
Diagonal
222946470.3131
Surface area
149115385875213126
Volume
3.9179312369283E+24
Space diagonal
273052546.11083
Perimeter
472940883
Area
1.0761476021921E+16
Altitude
136526273.05541
Surface area
1.0761476021921E+16
Volume
4.617326243091E+23
Height
74315490.104367