157215427 is an odd 9-digits composite number following 157215426
and preceding 157215428 . In scientific notation, it is written as 1.57215427 × 10^8.
The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors.
There are 157085656 positive integers (up to 157215427) that are relatively prime to 157215427.
157215427 has 4 divisors, whose sum is 157345200
The reverse of 157215427 is 724512751
Previous prime number is 1223
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 34
Digital Root 7
Name
one hundred fifty-seven million two hundred fifteen thousand four hundred twenty-seven
Scientific notation
1.57215427 × 10^8
Engineering notation
1.57215427 × 10^6
Prime Factorization
1223 × 128549
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
157215427
Product of the distinct prime numbers
The prime factorization of 157215427 is 1223 × 128549.
Since it has a total of 2 prime factors.
4 , 8 , 83 , 49 , 673 , 387 , 6365 , 7649 , 52165 , 11285 , 590445 , 561388 , 1402484 , 6075647 , 73748571 , 30138288 , 339321613 , 281494573 , 7689334081 , 1233746494
n×2
314430854
n×3
471646281
n×4
628861708
n×5
786077135
n÷2
78607713.5
n÷3
52405142.333333
n÷3
39303856.75
n÷5
31443085.4
n2
24716690486792329
n3
3.8858450489079E+24
n4
6.1091478861989E+32
n5
9.6045229353491E+40
2 √n
12538.557612421
3 √n
539.71570197289
4 √n
111.97570099098
5 √n
43.58118470959
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-157215426
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 157215427 can be divided by 4 positive divisors.
The sum of these divisors (counting 157215427) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001010111101110101011000011
3
Ternary
101221211101000121
4
Quaternary
21113232223003
5
Quinary
310221343202
6
Senary
23333401111
8
Octal
1127565303
10
Decimal
157215427
12
Duodecimal
44799197
16
Hexadecimal
95eeac3
20
Vigesimal
292bib7
36
Base36
2llo77
md5
d26cc52cfd7879fb992856e7a7e77995
sha1
b269ce912cb9dac23ab2bf2fe20baad52c13ff15
sha256
4de62d267f84f3259e98579293e08a14ecbee444615ef1434d10efa8c9da8599
sha512
05ede20229e56a413e4cff01cec1c7ab7397da09d23ac97784c6f39b9a6d2fca222ab1660fa27bb5e2f8360536c6ebaeec3b1c16b7c6588bef843dbc32fc6d0e
ripemd-160
823dce7628550784f753c000b38e85058612e949
Diameter
314430854
Circumference
987813660.98836
Area
7.764977325436E+16
Volume
1.6276989678183E+25
Surface area
3.1059909301744E+17
Circumference
987813660.98836
Perimeter
628861708
Area
24716690486792329
Diagonal
222336189.07768
Surface area
148300142920753974
Volume
3.8858450489079E+24
Space diagonal
272305107.29764
Perimeter
471646281
Area
1.070264092952E+16
Altitude
136152553.64882
Surface area
1.070264092952E+16
Volume
4.5795123078716E+23
Height
74112063.025892