157215906 is an even 9-digits composite number following 157215905
and preceding 157215907 . In scientific notation, it is written as 1.57215906 × 10^8.
The sum of its digits is 36. It has a total of 5 prime factors and 24 positive divisors.
There are 52268256 positive integers (up to 157215906) that are relatively prime to 157215906.
157215906 has 24 divisors, whose sum is 341525340
The reverse of 157215906 is 609512751
Previous prime number is 389
Is Prime? no Number parity even Number length 9 Sum of Digits 36 Digital Root 9
Name
one hundred fifty-seven million two hundred fifteen thousand nine hundred six
Scientific notation
1.57215906 × 10^8
Engineering notation
1.57215906 × 10^6
Prime Factorization
2 × 3 × 3 × 389 × 22453
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
5 Total number of prime factors
rad Radical
52405302 Product of the distinct prime numbers
The prime factorization of 157215906 is 2 × 3 × 3 × 389 × 22453.
Since it has a total of 5 prime factors.
8 , 8 , 49 , 29 , 825 , 733 , 7572 , 2621 , 57548 , 45949 , 929436 , 238109 , 4750042 , 9874607 , 46479266 , 94734668 , 727909004 , 112826882 , 8429738992 , 9765952718
n×2
314431812
n×3
471647718
n×4
628863624
n×5
786079530
n÷2
78607953
n÷3
52405302
n÷3
39303976.5
n÷5
31443181.2
n2
24716841099400836
n3
3.8858805669003E+24
n4
6.1092223393303E+32
n5
9.6046692503325E+40
2 √n12538.576713487
3 √n539.71625010306
4 √n111.97578628207
5 √n43.581211265969
1 , 2 , 3 , 6 , 9 , 18 , 389 , 778 , 1167 , 2334 , 3501 , 7002 , 22453 , 44906 , 67359 , 134718 , 202077 , 404154 , 8734217 , 17468434 , 26202651 , 52405302 , 78607953 , 157215906
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
-157215905 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 157215906 can be divided by 24 positive divisors.
The sum of these divisors (counting 157215906) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001010111101110110010100010
3
Ternary
101221211101200100
4
Quaternary
21113232302202
5
Quinary
310221402111
6
Senary
23333403230
8
Octal
1127566242
10
Decimal
157215906
12
Duodecimal
44799516
16
Hexadecimal
95eeca2
20
Vigesimal
292bjf6
36
Base36
2lloki
md5
81a0bd89b6a9b134f71f04ccd445154e
sha1
d06b841aaabfb8851dffb562338766685a7fdf2c
sha256
d3d359e3ce8731629c8f6ca9ae69b9cbd24e6c33fd67cf5ad286b1ba408bd38b
sha512
e6077253a0cdb3ea918cbb004afd96fe18c1c0ab0f4f3eada845b5ff238da98efcedbddc7c97150bded413a0d3552780d584f20f075e2ac5e3e6da3d07cc6049
ripemd-160
e3126e016a4926a3890d8f31d62d93418451a9d1
Diameter
314431812
Circumference
987816670.63413
Area
7.7650246417824E+16
Volume
1.6277138455602E+25
Surface area
3.106009856713E+17
Circumference
987816670.63413
Perimeter
628863624
Area
24716841099400836
Diagonal
222336866.48597
Surface area
148301046596405016
Volume
3.8858805669003E+24
Space diagonal
272305936.94997
Perimeter
471647718
Area
1.0702706146692E+16
Altitude
136152968.47499
Surface area
1.0702706146692E+16
Volume
4.5795541662271E+23
Height
74112288.828658