157217842 is an even 9-digits composite number following 157217841
and preceding 157217843 . In scientific notation, it is written as 1.57217842 × 10^8.
The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors.
There are 78608920 positive integers (up to 157217842) that are relatively prime to 157217842.
157217842 has 4 divisors, whose sum is 235826766
The reverse of 157217842 is 248712751
Previous prime number is 2
Is Prime? no
Number parity even
Number length 9
Sum of Digits 37
Digital Root 1
Name
one hundred fifty-seven million two hundred seventeen thousand eight hundred forty-two
Scientific notation
1.57217842 × 10^8
Engineering notation
1.57217842 × 10^6
Prime Factorization
2 × 78608921
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
157217842
Product of the distinct prime numbers
The prime factorization of 157217842 is 2 × 78608921.
Since it has a total of 2 prime factors.
10 , 3 , 11 , 26 , 747 , 110 , 3717 , 9496 , 35692 , 89497 , 767966 , 587846 , 3482805 , 8547974 , 55062402 , 33446771 , 664187752 , 499472273 , 1062214267 , 2728624865
n×2
314435684
n×3
471653526
n×4
628871368
n×5
786089210
n÷2
78608921
n÷3
52405947.333333
n÷3
39304460.5
n÷5
31443568.4
n2
24717449843136964
n3
3.8860241240812E+24
n4
6.1095232674799E+32
n5
9.6052606376198E+40
2 √n
12538.653914994
3 √n
539.71846549886
4 √n
111.97613100565
5 √n
43.58131859965
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
-157217841
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 157217842 can be divided by 4 positive divisors.
The sum of these divisors (counting 157217842) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001010111101111010000110010
3
Ternary
101221211111100001
4
Quaternary
21113233100302
5
Quinary
310221432332
6
Senary
23333420214
8
Octal
1127572062
10
Decimal
157217842
12
Duodecimal
4479a66a
16
Hexadecimal
95ef432
20
Vigesimal
292c4c2
36
Base36
2llq2a
md5
1219617ddf88ecd78de8ab3d896546be
sha1
84213c0905aad8c38cf80ee485ff17f6bd72ca9c
sha256
a587f05b4fe340a349030e6b28d248a037947bebd6653b88859f45573ec03841
sha512
8637779134db5e5cf62da067d505a1e2f0c99c4df317f5da93d8fd8d86baef9d36a05821b097e1d2f9cd4901f7f2191cab5da6ac3f2b76f09e094c1384e27a97
ripemd-160
981a2f585a9bdba8a21aaed777fa04c3298b348d
Diameter
314435684
Circumference
987828834.88088
Area
7.7652158842673E+16
Volume
1.6277739786515E+25
Surface area
3.1060863537069E+17
Circumference
987828834.88088
Perimeter
628871368
Area
24717449843136964
Diagonal
222339604.40343
Surface area
148304699058821784
Volume
3.8860241240812E+24
Space diagonal
272309290.20034
Perimeter
471653526
Area
1.0702969740462E+16
Altitude
136154645.10017
Surface area
1.0702969740462E+16
Volume
4.5797233499873E+23
Height
74113201.46781