156939989 is an odd 9-digits composite number following 156939988
and preceding 156939990 . In scientific notation, it is written as 1.56939989 × 10^8.
The sum of its digits is 59. It has a total of 2 prime factors and 4 positive divisors.
There are 156906240 positive integers (up to 156939989) that are relatively prime to 156939989.
156939989 has 4 divisors, whose sum is 156973740
The reverse of 156939989 is 989939651
Previous prime number is 5569
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 59
Digital Root 5
Name
one hundred fifty-six million nine hundred thirty-nine thousand nine hundred eighty-nine
Scientific notation
1.56939989 × 10^8
Engineering notation
1.56939989 × 10^6
Prime Factorization
5569 × 28181
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
156939989
Product of the distinct prime numbers
The prime factorization of 156939989 is 5569 × 28181.
Since it has a total of 2 prime factors.
10 , 10 , 24 , 88 , 292 , 236 , 4502 , 5501 , 63936 , 76836 , 532400 , 748930 , 2405871 , 932196 , 87895452 , 87358695 , 752148217 , 901078628 , 904362579 , 6716610898
n×2
313879978
n×3
470819967
n×4
627759956
n×5
784699945
n÷2
78469994.5
n÷3
52313329.666667
n÷3
39234997.25
n÷5
31387997.8
n2
24630160147320121
n3
3.8654570625887E+24
n4
6.0664478888264E+32
n5
9.5206826494148E+40
2 √n
12527.569157662
3 √n
539.40032767773
4 √n
111.92662398939
5 √n
43.56590333972
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
-156939988
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 156939989 can be divided by 4 positive divisors.
The sum of these divisors (counting 156939989) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001010110101011011011010101
3
Ternary
101221022101012012
4
Quaternary
21112223123111
5
Quinary
310134034424
6
Senary
23323434005
8
Octal
1126533325
10
Decimal
156939989
12
Duodecimal
44685905
16
Hexadecimal
95ab6d5
20
Vigesimal
290h9j9
36
Base36
2lfro5
md5
765be7195b494b73e602647563865d4e
sha1
23498cb2736cec69ab2c02b75de0ee8bac8f2e91
sha256
299d2539fce5e6170086412a71b40fdaee7cb0b90d1b20e5e45a10f2ae7d1cf8
sha512
c28cf78b2ec27e0d10c519407f358939075b8934b5f5dbd51edef4df06ae962ae7ca09b4e94c4a7afa11c0510e1488da652e729220b4136a319793dbb5e00aff
ripemd-160
d28a4a0d22122458d0fa3221c639726c4e69762f
Diameter
313879978
Circumference
986083032.99373
Area
7.7377930175561E+16
Volume
1.6191588680794E+25
Surface area
3.0951172070224E+17
Circumference
986083032.99373
Perimeter
627759956
Area
24630160147320121
Diagonal
221946660.92248
Surface area
147780960883920726
Volume
3.8654570625887E+24
Space diagonal
271828034.6873
Perimeter
470819967
Area
1.0665172193429E+16
Altitude
135914017.34365
Surface area
1.0665172193429E+16
Volume
4.5554848355698E+23
Height
73982220.307495