156945389 is an odd 9-digits prime number following 156945388
and preceding 156945390 . In scientific notation, it is written as 1.56945389 × 10^8.
The sum of its digits is 50. It has a total of 1 prime factors and 2 positive divisors.
There are 156945388 positive integers (up to 156945389) that are relatively prime to 156945389.
156945389 has 2 divisors, whose sum is 156945390
The reverse of 156945389 is 983549651
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 9
Sum of Digits 50
Digital Root 5
Name
one hundred fifty-six million nine hundred forty-five thousand three hundred eighty-nine
Scientific notation
1.56945389 × 10^8
Engineering notation
1.56945389 × 10^6
Prime Factorization
156945389
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
156945389
Product of the distinct prime numbers
The prime factorization of 156945389 is 156945389.
Since it has a total of 1 prime factors.
4 , 10 , 39 , 86 , 760 , 72 , 1670 , 9869 , 31059 , 13979 , 67421 , 305730 , 779191 , 6539587 , 544545 , 8860244 , 410961726 , 198466323 , 9853259391 , 2270074685
n×2
313890778
n×3
470836167
n×4
627781556
n×5
784726945
n÷2
78472694.5
n÷3
52315129.666667
n÷3
39236347.25
n÷5
31389077.8
n2
24631855128361321
n3
3.8658560849123E+24
n4
6.0672828706458E+32
n5
9.5223207030654E+40
2 √n
12527.784680461
3 √n
539.40651417908
4 √n
111.92758677136
5 √n
43.566203139206
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
156945390
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
78472695
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
12527.784720373
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999872567
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 156945389 can be divided by 2 positive divisors.
The sum of these divisors (counting 156945389) is 156945390, the average is 78472695.
Base
System
Value
2
Binary
1001010110101100101111101101
3
Ternary
101221022122121012
4
Quaternary
21112230233231
5
Quinary
310134223024
6
Senary
23323515005
8
Octal
1126545755
10
Decimal
156945389
12
Duodecimal
44688a65
16
Hexadecimal
95acbed
20
Vigesimal
290i399
36
Base36
2lfvu5
md5
c0bb639d0639cddd818db850657fcfbc
sha1
1440056e12d275058e80fbd6356d5cd0f5141458
sha256
2f0c532bb7d5b1ebe6cf616c0d2b9dbf8096a9a9fda405f5e04cff5fe061dc52
sha512
830db1b056ce046076a1fe094f8f2ed93cbba826b911156a18012e0e9c0734272faa6529ae15b3280c963c3f091f10ec85627261a1cabfd27a59c0fc594d4553
ripemd-160
c85e9dcc6bfde5a76eca82a71adc9ddb23833cb6
Diameter
313890778
Circumference
986116962.19438
Area
7.7383255115548E+16
Volume
1.6193260101595E+25
Surface area
3.0953302046219E+17
Circumference
986116962.19438
Perimeter
627781556
Area
24631855128361321
Diagonal
221954297.67572
Surface area
147791130770167926
Volume
3.8658560849123E+24
Space diagonal
271837387.76166
Perimeter
470836167
Area
1.0665906141749E+16
Altitude
135918693.88083
Surface area
1.0665906141749E+16
Volume
4.555955087888E+23
Height
73984765.891907