87156945 is an odd 8-digits composite number following 87156944
and preceding 87156946 . In scientific notation, it is written as 8.7156945 × 10^7.
The sum of its digits is 45. It has a total of 5 prime factors and 32 positive divisors.
There are 46049472 positive integers (up to 87156945) that are relatively prime to 87156945.
87156945 has 32 divisors, whose sum is 156393600
The reverse of 87156945 is 54965178
Previous prime number is 109
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 45
Digital Root 9
Name
eighty-seven million one hundred fifty-six thousand nine hundred forty-five
Scientific notation
8.7156945 × 10^7
Engineering notation
8.7156945 × 10^6
Prime Factorization
9 × 3 × 5 × 109 × 5923
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
87156945
Product of the distinct prime numbers
The prime factorization of 87156945 is 9 × 3 × 5 × 109 × 5923.
Since it has a total of 5 prime factors.
3 , 3 , 81 , 89 , 676 , 245 , 2023 , 6686 , 22888 , 81111 , 413344 , 147890 , 7896252 , 2041812 , 66163697 , 20648608 , 391617361 , 770090809 , 7032866602 , 4278666480
n×2
174313890
n×3
261470835
n×4
348627780
n×5
435784725
n÷2
43578472.5
n÷3
29052315
n÷3
21789236.25
n÷5
17431389
n2
7596333061733025
n3
6.6207318286315E+23
n4
5.7704275984778E+31
n5
5.0293284082701E+39
2 √n
9335.7883973449
3 √n
443.37105067889
4 √n
96.621883635877
5 √n
38.731150680058
1 , 3 , 5 , 9 , 15 , 27 , 45 , 109 , 135 , 327 , 545 , 981 , 1635 , 2943 , 4905 , 5923 , 14715 , 17769 , 29615 , 53307 , 88845 , 159921 , 266535 , 645607 , 799605 , 1936821 , 3228035 , 5810463 , 9684105 , 17431389 , 29052315 , 87156945
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-87156944
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 87156945 can be divided by 32 positive divisors.
The sum of these divisors (counting 87156945) is 1, the average is 0.03125.
Base
System
Value
2
Binary
101001100011110100011010001
3
Ternary
20002000000212000
4
Quaternary
11030132203101
5
Quinary
134303010240
6
Senary
12352024213
8
Octal
514364321
10
Decimal
87156945
12
Duodecimal
25232069
16
Hexadecimal
531e8d1
20
Vigesimal
174ec75
36
Base36
1fw2q9
md5
f0520646bdd1421a7fcef81ba3852f5b
sha1
9be09ebbf71aa28133f338775719ca19e2a53f88
sha256
07c9a88ddfe5d40a7480c39683e8bffa40fe21cd47102c0eadfa1f6808ad799b
sha512
6bfdecfdc44e29fdf6e0d47770418831450c774a7af3a2c71e1e085614354087cf757bf52c95f325b9fb1487cdfe34ce03108485e12281772436a0662777fe7b
ripemd-160
06c0ceb10082351c530c079f3bf46f45a74c4d46
Diameter
174313890
Circumference
547623236.24266
Area
2.3864584140962E+16
Volume
2.7732856632289E+24
Surface area
9.5458336563847E+16
Circumference
547623236.24266
Perimeter
348627780
Area
7596333061733025
Diagonal
123258533.67401
Surface area
45577998370398150
Volume
6.6207318286315E+23
Space diagonal
150960256.97249
Perimeter
261470835
Area
3.2893087035342E+15
Altitude
75480128.486243
Surface area
3.2893087035342E+15
Volume
7.8026072874049E+22
Height
41086177.891335