156942891 is an odd 9-digits composite number following 156942890
and preceding 156942892 . In scientific notation, it is written as 1.56942891 × 10^8.
The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors.
There are 88159536 positive integers (up to 156942891) that are relatively prime to 156942891.
156942891 has 16 divisors, whose sum is 222942720
The reverse of 156942891 is 198249651
Previous prime number is 59
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 45
Digital Root 9
Name
one hundred fifty-six million nine hundred forty-two thousand eight hundred ninety-one
Scientific notation
1.56942891 × 10^8
Engineering notation
1.56942891 × 10^6
Prime Factorization
3 × 21 × 59 × 42223
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
156942891
Product of the distinct prime numbers
The prime factorization of 156942891 is 3 × 21 × 59 × 42223.
Since it has a total of 4 prime factors.
9 , 4 , 52 , 63 , 530 , 8 , 9461 , 9867 , 96589 , 55449 , 789663 , 179672 , 6349215 , 3191250 , 41646352 , 26639926 , 988322903 , 631671682 , 6293853640 , 8756056126
n×2
313885782
n×3
470828673
n×4
627771564
n×5
784714455
n÷2
78471445.5
n÷3
52314297
n÷3
39235722.75
n÷5
31388578.2
n2
24631071035437881
n3
3.865671496728E+24
n4
6.0668966035279E+32
n5
9.5215629235574E+40
2 √n
12527.684981672
3 √n
539.40365236702
4 √n
111.92714139864
5 √n
43.566064455211
1 , 3 , 21 , 59 , 63 , 177 , 1239 , 3717 , 42223 , 126669 , 886683 , 2491157 , 2660049 , 7473471 , 52314297 , 156942891
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-156942890
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 156942891 can be divided by 16 positive divisors.
The sum of these divisors (counting 156942891) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001010110101100001000101011
3
Ternary
101221022112011200
4
Quaternary
21112230020223
5
Quinary
310134133031
6
Senary
23323455243
8
Octal
1126541053
10
Decimal
156942891
12
Duodecimal
44687523
16
Hexadecimal
95ac22b
20
Vigesimal
290hh4b
36
Base36
2lftwr
md5
f404ec91e8c4753f13e581fac1f8445e
sha1
a2459ac668fd5414ecf504410e1f8df932385de4
sha256
7c21ed6091240a5138a4795ccc1d710a9798d40f12dde9a5bac26c96b0f60ad0
sha512
5430ac533820f0d1f0e8d2a48b25d263d506ebc0cb83cf90c87c9fe9db997a2e8cb6a45c09de48bcb88af2aed9a7e44f40fd997f5dab8909f5896abfc891f9ad
ripemd-160
3f6437975c6960c5e6a1d69fefffca3e5d3e5b59
Diameter
313885782
Circumference
986101266.79749
Area
7.738079181498E+16
Volume
1.6192486900416E+25
Surface area
3.0952316725992E+17
Circumference
986101266.79749
Perimeter
627771564
Area
24631071035437881
Diagonal
221950764.97024
Surface area
147786426212627286
Volume
3.865671496728E+24
Space diagonal
271833061.09874
Perimeter
470828673
Area
1.0665566619554E+16
Altitude
135916530.54937
Surface area
1.0665566619554E+16
Volume
4.5557375486265E+23
Height
73983588.323414