157215461 is an odd 9-digits composite number following 157215460
and preceding 157215462 . In scientific notation, it is written as 1.57215461 × 10^8.
The sum of its digits is 32. It has a total of 3 prime factors and 6 positive divisors.
There are 145121808 positive integers (up to 157215461) that are relatively prime to 157215461.
157215461 has 6 divisors, whose sum is 170239410
The reverse of 157215461 is 164512751
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 32
Digital Root 5
Name
one hundred fifty-seven million two hundred fifteen thousand four hundred sixty-one
Scientific notation
1.57215461 × 10^8
Engineering notation
1.57215461 × 10^6
Prime Factorization
13 × 13 × 930269
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
12093497
Product of the distinct prime numbers
The prime factorization of 157215461 is 13 × 13 × 930269.
Since it has a total of 3 prime factors.
9 , 5 , 64 , 86 , 820 , 516 , 181 , 8801 , 43909 , 79203 , 871893 , 819405 , 2162210 , 1021073 , 77505857 , 45203449 , 268072556 , 929985727 , 7924620331 , 3957828348
n×2
314430922
n×3
471646383
n×4
628861844
n×5
786077305
n÷2
78607730.5
n÷3
52405153.666667
n÷3
39303865.25
n÷5
31443092.2
n2
24716701177442521
n3
3.8858475700109E+24
n4
6.1091531709499E+32
n5
9.604533320905E+40
2 √n
12538.558968239
3 √n
539.71574087987
4 √n
111.97570704505
5 √n
43.581186594596
6 divisors
τ
Total Divisors
6
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-157215460
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.16666666666667
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
6
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 157215461 can be divided by 6 positive divisors.
The sum of these divisors (counting 157215461) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
1001010111101110101011100101
3
Ternary
101221211101001212
4
Quaternary
21113232223211
5
Quinary
310221343321
6
Senary
23333401205
8
Octal
1127565345
10
Decimal
157215461
12
Duodecimal
44799205
16
Hexadecimal
95eeae5
20
Vigesimal
292bid1
36
Base36
2llo85
md5
c4b279614f4d67c90c2696b274556de1
sha1
d34135d74da1046141bcc961a85c92dfde0f0d1a
sha256
c8ff2cb9c91f8bdb62b7630bc5ccc550c8c4f678571378867450a08d1c2e1114
sha512
38752b6f893e8fedfda409c0fed5af7f9bc4b657b5117fe0f3cb65238246cfff0acd0e492bce7320b2969a2f2ae710ad1e02fc2607e1d02d2ddc7140a9f35b9a
ripemd-160
b609279f23f797d0b0ab642b653cc7115eb68173
Diameter
314430922
Circumference
987813874.61667
Area
7.7649806840028E+16
Volume
1.6277000238555E+25
Surface area
3.1059922736011E+17
Circumference
987813874.61667
Perimeter
628861844
Area
24716701177442521
Diagonal
222336237.16094
Surface area
148300207064655126
Volume
3.8858475700109E+24
Space diagonal
272305166.18736
Perimeter
471646383
Area
1.0702645558707E+16
Altitude
136152583.09368
Surface area
1.0702645558707E+16
Volume
4.5795152790199E+23
Height
74112079.053646