87697961 is an odd 8-digits composite number following 87697960
and preceding 87697962 . In scientific notation, it is written as 8.7697961 × 10^7.
The sum of its digits is 53. It has a total of 2 prime factors and 4 positive divisors.
There are 80951952 positive integers (up to 87697961) that are relatively prime to 87697961.
87697961 has 4 divisors, whose sum is 94443972
The reverse of 87697961 is 16979678
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 53
Digital Root 8
Name
eighty-seven million six hundred ninety-seven thousand nine hundred sixty-one
Scientific notation
8.7697961 × 10^7
Engineering notation
8.7697961 × 10^6
Prime Factorization
13 × 6745997
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
87697961
Product of the distinct prime numbers
The prime factorization of 87697961 is 13 × 6745997.
Since it has a total of 2 prime factors.
1 , 8 , 4 , 81 , 700 , 343 , 4427 , 4602 , 57502 , 61564 , 14377 , 617687 , 8459205 , 7814517 , 75375496 , 29558456 , 560458611 , 933722164 , 7422835308 , 4859915965
n×2
175395922
n×3
263093883
n×4
350791844
n×5
438489805
n÷2
43848980.5
n÷3
29232653.666667
n÷3
21924490.25
n÷5
17539592.2
n2
7690932363557521
n3
6.7447908647291E+23
n4
5.9150440620816E+31
n5
5.1873730346972E+39
2 √n
9364.7189493332
3 √n
444.28654939603
4 √n
96.771477974314
5 √n
38.779115502543
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
-87697960
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 87697961 can be divided by 4 positive divisors.
The sum of these divisors (counting 87697961) is 1, the average is 0.25.
Base
System
Value
2
Binary
101001110100010101000101001
3
Ternary
20010000111222122
4
Quaternary
11032202220221
5
Quinary
134422313321
6
Senary
12411401025
8
Octal
516425051
10
Decimal
87697961
12
Duodecimal
25453175
16
Hexadecimal
53a2a29
20
Vigesimal
17824i1
36
Base36
1g7o6h
md5
8e3802f3fb5251f1a22b1f2d8a873609
sha1
a50e28bc77121a5b91b18b8b193110ff2d9cfd8c
sha256
56d5c955d78635057a9425dd101590a0cccc194338bf85c68adb2cce025b9e43
sha512
79806b1c5138e4dc7a38ca93fd2c9bb0d1ce94dba5eb2aa93a5403a68feaa40321ce7c64941e3644538ebe462ccf368a657b1239309397eddedd1d6017e4a09f
ripemd-160
f304a696b1f3da4094884269420ea8b454fbe978
Diameter
175395922
Circumference
551022540.02481
Area
2.4161776612608E+16
Volume
2.825251390751E+24
Surface area
9.6647106450433E+16
Circumference
551022540.02481
Perimeter
350791844
Area
7690932363557521
Diagonal
124023645.83867
Surface area
46145594181345126
Volume
6.7447908647291E+23
Space diagonal
151897324.17219
Perimeter
263093883
Area
3.3302714028144E+15
Altitude
75948662.086097
Surface area
3.3302714028144E+15
Volume
7.9488122635583E+22
Height
41341215.279556