157215428 is an even 9-digits composite number following 157215427
and preceding 157215429 . In scientific notation, it is written as 1.57215428 × 10^8.
The sum of its digits is 35. It has a total of 5 prime factors and 24 positive divisors.
There are 77315904 positive integers (up to 157215428) that are relatively prime to 157215428.
157215428 has 24 divisors, whose sum is 279670272
The reverse of 157215428 is 824512751
Previous prime number is 887
Is Prime? no Number parity even Number length 9 Sum of Digits 35 Digital Root 8
Name
one hundred fifty-seven million two hundred fifteen thousand four hundred twenty-eight
Scientific notation
1.57215428 × 10^8
Engineering notation
1.57215428 × 10^6
Prime Factorization
2 × 2 × 73 × 887 × 607
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
5 Total number of prime factors
rad Radical
78607714 Product of the distinct prime numbers
The prime factorization of 157215428 is 2 × 2 × 73 × 887 × 607.
Since it has a total of 5 prime factors.
3 , 8 , 83 , 75 , 998 , 171 , 4235 , 4053 , 21067 , 43839 , 153551 , 957879 , 3748631 , 3186795 , 8622833 , 54831261 , 880852867 , 104960505 , 6499479541 , 7447437028
n×2
314430856
n×3
471646284
n×4
628861712
n×5
786077140
n÷2
78607714
n÷3
52405142.666667
n÷3
39303857
n÷5
31443085.6
n2
24716690801223184
n3
3.885845123058E+24
n4
6.1091480416327E+32
n5
9.6045232408065E+40
2 √n12538.557652298
3 √n539.71570311721
4 √n111.97570116904
5 √n43.581184765032
1 , 2 , 4 , 73 , 146 , 292 , 607 , 887 , 1214 , 1774 , 2428 , 3548 , 44311 , 64751 , 88622 , 129502 , 177244 , 259004 , 538409 , 1076818 , 2153636 , 39303857 , 78607714 , 157215428
24 divisors
τ Total Divisors
24 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-157215427 Sum of the proper positive divisors of n
A Arithmetic Mean
0.041666666666667 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
24 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 157215428 can be divided by 24 positive divisors.
The sum of these divisors (counting 157215428) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001010111101110101011000100
3
Ternary
101221211101000122
4
Quaternary
21113232223010
5
Quinary
310221343203
6
Senary
23333401112
8
Octal
1127565304
10
Decimal
157215428
12
Duodecimal
44799198
16
Hexadecimal
95eeac4
20
Vigesimal
292bib8
36
Base36
2llo78
md5
d505283775d634094f80093de46ffcad
sha1
aabf36652bf4c1ba5c832cd692188a6a15bcdcc6
sha256
fbd643ab96307e8536155c3b08ceba59c096cad41942c14a92adfeaff2b1af08
sha512
85fd5964ef4fd653816ce5c8e687fcadd3a1419c1e2d36b1f383adceb9735ad15b8a0d1ef5beadc281a179777f8cc1d48df5e48ea3add8df0e28024f5e0d01c6
ripemd-160
3b6f7e06f9ce2d96f419413b4e0bdf81772f047c
Diameter
314430856
Circumference
987813667.27155
Area
7.7649774242173E+16
Volume
1.6276989988782E+25
Surface area
3.1059909696869E+17
Circumference
987813667.27155
Perimeter
628861712
Area
24716690801223184
Diagonal
222336190.49189
Surface area
148300144807339104
Volume
3.885845123058E+24
Space diagonal
272305109.02969
Perimeter
471646284
Area
1.0702641065672E+16
Altitude
136152554.51484
Surface area
1.0702641065672E+16
Volume
4.5795123952583E+23
Height
74112063.497297