156929981 is an odd 9-digits composite number following 156929980
and preceding 156929982 . In scientific notation, it is written as 1.56929981 × 10^8.
The sum of its digits is 50. It has a total of 2 prime factors and 4 positive divisors.
There are 144858432 positive integers (up to 156929981) that are relatively prime to 156929981.
156929981 has 4 divisors, whose sum is 169001532
The reverse of 156929981 is 189929651
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 50
Digital Root 5
Name
one hundred fifty-six million nine hundred twenty-nine thousand nine hundred eighty-one
Scientific notation
1.56929981 × 10^8
Engineering notation
1.56929981 × 10^6
Prime Factorization
13 × 12071537
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
156929981
Product of the distinct prime numbers
The prime factorization of 156929981 is 13 × 12071537.
Since it has a total of 2 prime factors.
10 , 2 , 71 , 53 , 531 , 557 , 2492 , 5129 , 24150 , 19246 , 857892 , 932321 , 7334636 , 9151948 , 73172658 , 15285784 , 413037847 , 982266994 , 7934901902 , 3507454876
n×2
313859962
n×3
470789943
n×4
627719924
n×5
784649905
n÷2
78464990.5
n÷3
52309993.666667
n÷3
39232495.25
n÷5
31385996.2
n2
24627018936660361
n3
3.8647176138168E+24
n4
6.0649006170663E+32
n5
9.517647386031E+40
2 √n
12527.169712269
3 √n
539.38886165332
4 √n
111.92483956776
5 √n
43.565347689519
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
-156929980
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 156929981 can be divided by 4 positive divisors.
The sum of these divisors (counting 156929981) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001010110101000111110111101
3
Ternary
101221021212110112
4
Quaternary
21112220332331
5
Quinary
310133224411
6
Senary
23323315405
8
Octal
1126507675
10
Decimal
156929981
12
Duodecimal
4467bb65
16
Hexadecimal
95a8fbd
20
Vigesimal
290g4j1
36
Base36
2lfjy5
md5
75e3530cdb4375fa7b5458840fe4394e
sha1
845efd6c520b3eadab98298a5b1465dfb68043ea
sha256
27a4aa34369f269edf6fe00ecf9a923fab1fff496ab41faa9e13f316d4fc4b1d
sha512
675e3a9869a3b0caabcd5bd14cc45e55fc4be3069aa2dde2a4c1710b0eaebb663fd6390bafd848e7146045d114a70a8e6598351b828a623e65a53169b2eec37d
ripemd-160
8b170d46c3dd7d66817e4994431898bdd4341528
Diameter
313859962
Circumference
986020150.87517
Area
7.7368061771229E+16
Volume
1.6188491285021E+25
Surface area
3.0947224708492E+17
Circumference
986020150.87517
Perimeter
627719924
Area
24627018936660361
Diagonal
221932507.47315
Surface area
147762113619962166
Volume
3.8647176138168E+24
Space diagonal
271810700.32282
Perimeter
470789943
Area
1.0663812009314E+16
Altitude
135905350.16141
Surface area
1.0663812009314E+16
Volume
4.5546133868349E+23
Height
73977502.491051