157215749 is an odd 9-digits prime number following 157215748
and preceding 157215750 . In scientific notation, it is written as 1.57215749 × 10^8.
The sum of its digits is 41. It has a total of 1 prime factors and 2 positive divisors.
There are 157215748 positive integers (up to 157215749) that are relatively prime to 157215749.
157215749 has 2 divisors, whose sum is 157215750
The reverse of 157215749 is 947512751
Previous prime number is 1
Is Prime? yes Number parity odd Number length 9 Sum of Digits 41 Digital Root 5
Name
one hundred fifty-seven million two hundred fifteen thousand seven hundred forty-nine
Scientific notation
1.57215749 × 10^8
Engineering notation
1.57215749 × 10^6
Prime Factorization
157215749
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
157215749 Product of the distinct prime numbers
The prime factorization of 157215749 is 157215749.
Since it has a total of 1 prime factors.
5 , 10 , 23 , 17 , 602 , 214 , 7982 , 9500 , 85709 , 40155 , 104627 , 886765 , 9342591 , 3765300 , 89629955 , 86044667 , 764603813 , 661129531 , 407646631 , 5788521440
n×2
314431498
n×3
471647247
n×4
628862996
n×5
786078745
n÷2
78607874.5
n÷3
52405249.666667
n÷3
39303937.25
n÷5
31443149.8
n2
24716791733631001
n3
3.8858689252798E+24
n4
6.1091979360369E+32
n5
9.6046212930329E+40
2 √n12538.570452807
3 √n539.71607044465
4 √n111.97575832655
5 √n43.581202561693
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
157215750 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
78607875 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
12538.570492684 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999999872786 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 157215749 can be divided by 2 positive divisors.
The sum of these divisors (counting 157215749) is 157215750, the average is 78607875.
Base
System
Value
2
Binary
1001010111101110110000000101
3
Ternary
101221211101110112
4
Quaternary
21113232300011
5
Quinary
310221400444
6
Senary
23333402405
8
Octal
1127566005
10
Decimal
157215749
12
Duodecimal
44799405
16
Hexadecimal
95eec05
20
Vigesimal
292bj79
36
Base36
2llog5
md5
26797dde5b151233179eb556b47d00dc
sha1
b7c841f5498c7238094350e62de9610d5420ab67
sha256
9d44b1225de1ed76d501e41f399964185ddf4694d7e460b5453efb7cd3aeee42
sha512
d14b5d2de4eaa791f3dd25d4db8e8ae2c90636c5480ba036c3c4dea5db927ec12c6174c203868794dafcc31083e9cbff013042c9c4479c9cfba9aea63292e7d2
ripemd-160
d4ef1f54d7f60acb024ad0a6e1731a558f81466e
Diameter
314431498
Circumference
987815684.17403
Area
7.7650091330684E+16
Volume
1.6277089691296E+25
Surface area
3.1060036532274E+17
Circumference
987815684.17403
Perimeter
628862996
Area
24716791733631001
Diagonal
222336644.45444
Surface area
148300750401786006
Volume
3.8858689252798E+24
Space diagonal
272305665.018
Perimeter
471647247
Area
1.0702684770687E+16
Altitude
136152832.509
Surface area
1.0702684770687E+16
Volume
4.5795404464457E+23
Height
74112214.818148