155156921 is an odd 9-digits prime number following 155156920
and preceding 155156922 . In scientific notation, it is written as 1.55156921 × 10^8.
The sum of its digits is 35. It has a total of 1 prime factors and 2 positive divisors.
There are 155156920 positive integers (up to 155156921) that are relatively prime to 155156921.
155156921 has 2 divisors, whose sum is 155156922
The reverse of 155156921 is 129651551
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 9
Sum of Digits 35
Digital Root 8
Name
one hundred fifty-five million one hundred fifty-six thousand nine hundred twenty-one
Scientific notation
1.55156921 × 10^8
Engineering notation
1.55156921 × 10^6
Prime Factorization
155156921
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
155156921
Product of the distinct prime numbers
The prime factorization of 155156921 is 155156921.
Since it has a total of 1 prime factors.
5 , 4 , 94 , 18 , 816 , 25 , 4796 , 4253 , 97029 , 68111 , 978640 , 792493 , 7537535 , 2815906 , 49675420 , 399842 , 595744098 , 702934765 , 2158910881 , 4174021388
n×2
310313842
n×3
465470763
n×4
620627684
n×5
775784605
n÷2
77578460.5
n÷3
51718973.666667
n÷3
38789230.25
n÷5
31031384.2
n2
24073670134200241
n3
3.7351965351922E+24
n4
5.7954159373028E+32
n5
8.9919889274624E+40
2 √n
12456.20010276
3 √n
537.34974967479
4 √n
111.60734788875
5 √n
43.466455872839
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
155156922
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
77578461
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
12456.200142901
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999871098
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 155156921 can be divided by 2 positive divisors.
The sum of these divisors (counting 155156921) is 155156922, the average is 77578461.
Base
System
Value
2
Binary
1001001111111000000110111001
3
Ternary
101210221210021122
4
Quaternary
21033320012321
5
Quinary
304210010141
6
Senary
23221315025
8
Octal
1117700671
10
Decimal
155156921
12
Duodecimal
43b65a75
16
Hexadecimal
93f81b9
20
Vigesimal
289ec61
36
Base36
2kdjuh
md5
749f2f5281e3bfb61a446dd48672a374
sha1
93d10a9530b6191b47b2427fd8eda65a41a0a381
sha256
266d27dcc143db082f4830fb2427a73f5c0923fbf2ec72754aee037093703349
sha512
125637190329e11f457d7ae96da69333fe06d68477317e4160b2684b2d85371e64ccbb997400c101fa4796cbaad967c8a49c170ef8e7577aa24c7ad2cc4177d5
ripemd-160
428ed3c6363f23ac246b5032418f12a9842d7a98
Diameter
310313842
Circumference
974879686.33442
Area
7.5629665238547E+16
Volume
1.5645954659565E+25
Surface area
3.0251866095419E+17
Circumference
974879686.33442
Perimeter
620627684
Area
24073670134200241
Diagonal
219425021.97425
Surface area
144442020805201446
Volume
3.7351965351922E+24
Space diagonal
268739670.31795
Perimeter
465470763
Area
1.0424204949272E+16
Altitude
134369835.15898
Surface area
1.0424204949272E+16
Volume
4.4019713318315E+23
Height
73141673.991417