87121036 is an even 8-digits composite number following 87121035
and preceding 87121037 . In scientific notation, it is written as 8.7121036 × 10^7.
The sum of its digits is 28. It has a total of 4 prime factors and 12 positive divisors.
There are 42155280 positive integers (up to 87121036) that are relatively prime to 87121036.
87121036 has 12 divisors, whose sum is 157380160
The reverse of 87121036 is 63012178
Previous prime number is 31
Is Prime? no
Number parity even
Number length 8
Sum of Digits 28
Digital Root 1
Name
eighty-seven million one hundred twenty-one thousand thirty-six
Scientific notation
8.7121036 × 10^7
Engineering notation
8.7121036 × 10^6
Prime Factorization
2 × 2 × 31 × 702589
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
43560518
Product of the distinct prime numbers
The prime factorization of 87121036 is 2 × 2 × 31 × 702589.
Since it has a total of 4 prime factors.
1 , 7 , 48 , 67 , 157 , 322 , 1690 , 3112 , 92955 , 40106 , 648371 , 900378 , 4206603 , 3265211 , 25197801 , 45140632 , 714026688 , 392861030 , 3861768960 , 7160211556
n×2
174242072
n×3
261363108
n×4
348484144
n×5
435605180
n÷2
43560518
n÷3
29040345.333333
n÷3
21780259
n÷5
17424207.2
n2
7590074913713296
n3
6.6125518980031E+23
n4
5.760923719578E+31
n5
5.0189764276661E+39
2 √n
9333.865008666
3 √n
443.31015211609
4 √n
96.611929950012
5 √n
38.727958677053
1 , 2 , 4 , 31 , 62 , 124 , 702589 , 1405178 , 2810356 , 21780259 , 43560518 , 87121036
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-87121035
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 87121036 can be divided by 12 positive divisors.
The sum of these divisors (counting 87121036) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
101001100010101110010001100
3
Ternary
20001221012121001
4
Quaternary
11030111302030
5
Quinary
134300333121
6
Senary
12351150044
8
Octal
514256214
10
Decimal
87121036
12
Duodecimal
25215324
16
Hexadecimal
5315c8c
20
Vigesimal
174a2bg
36
Base36
1fvb0s
md5
5f39a4f424792c3a46dde2411a48642d
sha1
a1ba7c4c005769ec1076ebcbb275c28b954a5c58
sha256
9f5ffa097071dffc1907c99f8d584c4b02a7735305fea641def2f95d3f107d2c
sha512
78872046882105e7c700b1051ed24600c7a35253a7db28e70f6979761b68e49de63f54941433e06262278f787a8ada1a6aa44436e4d829fd6f19085d259f4587
ripemd-160
0d5ad8b4431f52d586b498b1681ca343e7518541
Diameter
174242072
Circumference
547397613.34146
Area
2.3844923589118E+16
Volume
2.7698592618997E+24
Surface area
9.5379694356471E+16
Circumference
547397613.34146
Perimeter
348484144
Area
7590074913713296
Diagonal
123207750.67919
Surface area
45540449482279776
Volume
6.6125518980031E+23
Space diagonal
150898060.76004
Perimeter
261363108
Area
3.2865988459513E+15
Altitude
75449030.380019
Surface area
3.2865988459513E+15
Volume
7.79296714671E+22
Height
41069250.226398