156742971 is an odd 9-digits composite number following 156742970
and preceding 156742972 . In scientific notation, it is written as 1.56742971 × 10^8.
The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors.
There are 81424800 positive integers (up to 156742971) that are relatively prime to 156742971.
156742971 has 8 divisors, whose sum is 211705104
The reverse of 156742971 is 179247651
Previous prime number is 77
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 42
Digital Root 6
Name
one hundred fifty-six million seven hundred forty-two thousand nine hundred seventy-one
Scientific notation
1.56742971 × 10^8
Engineering notation
1.56742971 × 10^6
Prime Factorization
3 × 77 × 678541
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
156742971
Product of the distinct prime numbers
The prime factorization of 156742971 is 3 × 77 × 678541.
Since it has a total of 3 prime factors.
10 , 6 , 71 , 14 , 765 , 875 , 2393 , 6083 , 73593 , 38319 , 942790 , 893011 , 6444357 , 8992662 , 66515707 , 40914087 , 394145439 , 934826080 , 5468583241 , 4721472968
n×2
313485942
n×3
470228913
n×4
626971884
n×5
783714855
n÷2
78371485.5
n÷3
52247657
n÷3
39185742.75
n÷5
31348594.2
n2
24568358957906841
n3
3.8509175756568E+24
n4
6.0360426188456E+32
n5
9.4610725316048E+40
2 √n
12519.703311181
3 √n
539.17451721438
4 √n
111.8914800652
5 √n
43.554959563664
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-156742970
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 156742971 can be divided by 8 positive divisors.
The sum of these divisors (counting 156742971) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001010101111011010100111011
3
Ternary
101220221100221020
4
Quaternary
21111323110323
5
Quinary
310111233341
6
Senary
23315313523
8
Octal
1125732473
10
Decimal
156742971
12
Duodecimal
445ab8a3
16
Hexadecimal
957b53b
20
Vigesimal
28jch8b
36
Base36
2lbjnf
md5
072ac36a29e9fc426e3575a900cf1f79
sha1
4ebc87e5c3a38c7c4c3bae898eabbefa75608a8d
sha256
7da4c3a8db3ceddd4c014186bd29544f59c74dca59d0d8341b1dd5053f4ac78c
sha512
713f4d7976f80d78b66af68b4811ffb130097c0642239dd68f17d6dcfd3d658aa54e517240a6f1eb6bccc29f9b1d7588fb5d8b53a79df22a795657507969e9c3
ripemd-160
9a48773ee55be1460d1da178e57cf5c62017198b
Diameter
313485942
Circumference
984845132.39088
Area
7.7183776012917E+16
Volume
1.6130685820351E+25
Surface area
3.0873510405167E+17
Circumference
984845132.39088
Perimeter
626971884
Area
24568358957906841
Diagonal
221668035.39485
Surface area
147410153747441046
Volume
3.8509175756568E+24
Space diagonal
271486789.5013
Perimeter
470228913
Area
1.0638411493421E+16
Altitude
135743394.75065
Surface area
1.0638411493421E+16
Volume
4.5383498858956E+23
Height
73889345.131618