155087161 is an odd 9-digits composite number following 155087160
and preceding 155087162 . In scientific notation, it is written as 1.55087161 × 10^8.
The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors.
There are 154211760 positive integers (up to 155087161) that are relatively prime to 155087161.
155087161 has 8 divisors, whose sum is 155965824
The reverse of 155087161 is 161780551
Previous prime number is 431
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 34
Digital Root 7
Name
one hundred fifty-five million eighty-seven thousand one hundred sixty-one
Scientific notation
1.55087161 × 10^8
Engineering notation
1.55087161 × 10^6
Prime Factorization
613 × 431 × 587
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
155087161
Product of the distinct prime numbers
The prime factorization of 155087161 is 613 × 431 × 587.
Since it has a total of 3 prime factors.
4 , 1 , 9 , 21 , 563 , 619 , 8197 , 3723 , 90486 , 26312 , 192699 , 682293 , 448662 , 8960479 , 39710888 , 32424091 , 781927346 , 384625706 , 3748438094 , 5995220620
n×2
310174322
n×3
465261483
n×4
620348644
n×5
775435805
n÷2
77543580.5
n÷3
51695720.333333
n÷3
38771790.25
n÷5
31017432.2
n2
24052027507039921
n3
3.7301606623607E+24
n4
5.785000271994E+32
n5
8.9717926856779E+40
2 √n
12453.399576019
3 √n
537.2692051146
4 √n
111.59480084672
5 √n
43.462546584855
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-155087160
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 155087161 can be divided by 8 positive divisors.
The sum of these divisors (counting 155087161) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001001111100111000100111001
3
Ternary
101210211020120221
4
Quaternary
21033213010321
5
Quinary
304200242121
6
Senary
23220020041
8
Octal
1117470471
10
Decimal
155087161
12
Duodecimal
43b31621
16
Hexadecimal
93e7139
20
Vigesimal
2895hi1
36
Base36
2kc20p
md5
86b1983c43b55736e7d0aa83c9c85f58
sha1
08b4d21b72e83e15b764688477a9ccea240af0dd
sha256
facf6c15d3d6571b644f2198964658fbb4442e7398f6aa643ba2034b63f90e03
sha512
e4ded40b63b18708ab9fd2b9c1f109fb6aef83832c00803a8e660eba8608f364bce3ee2d376fa24713b160e406ee747dbefb30bc115b802028d7af86b22004dc
ripemd-160
44831aac0c03a8fcffd207c003ce1782c59035e3
Diameter
310174322
Circumference
974441371.32739
Area
7.5561672920056E+16
Volume
1.5624860444776E+25
Surface area
3.0224669168022E+17
Circumference
974441371.32739
Perimeter
620348644
Area
24052027507039921
Diagonal
219326366.43614
Surface area
144312165042239526
Volume
3.7301606623607E+24
Space diagonal
268618842.45361
Perimeter
465261483
Area
1.0414833416809E+16
Altitude
134309421.22681
Surface area
1.0414833416809E+16
Volume
4.3960364987843E+23
Height
73108788.812047