87691331 is an odd 8-digits composite number following 87691330
and preceding 87691332 . In scientific notation, it is written as 8.7691331 × 10^7.
The sum of its digits is 38. It has a total of 4 prime factors and 16 positive divisors.
There are 64915200 positive integers (up to 87691331) that are relatively prime to 87691331.
87691331 has 16 divisors, whose sum is 109007808
The reverse of 87691331 is 13319678
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2
Name
eighty-seven million six hundred ninety-one thousand three hundred thirty-one
Scientific notation
8.7691331 × 10^7
Engineering notation
8.7691331 × 10^6
Prime Factorization
13 × 9541 × 7 × 101
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
87691331
Product of the distinct prime numbers
The prime factorization of 87691331 is 13 × 9541 × 7 × 101.
Since it has a total of 4 prime factors.
3 , 10 , 49 , 84 , 429 , 275 , 1868 , 2077 , 84715 , 81461 , 521996 , 147617 , 2790173 , 4267954 , 99333382 , 56420445 , 655066920 , 481118313 , 5374716033 , 9890648905
n×2
175382662
n×3
263073993
n×4
350765324
n×5
438456655
n÷2
43845665.5
n÷3
29230443.666667
n÷3
21922832.75
n÷5
17538266.2
n2
7689769532551561
n3
6.7432612539269E+23
n4
5.9132555463758E+31
n5
5.1854124940483E+39
2 √n
9364.364954443
3 √n
444.27535303517
4 √n
96.769648932106
5 √n
38.778529141565
1 , 7 , 13 , 91 , 101 , 707 , 1313 , 9191 , 9541 , 66787 , 124033 , 868231 , 963641 , 6745487 , 12527333 , 87691331
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-87691330
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 87691331 can be divided by 16 positive divisors.
The sum of these divisors (counting 87691331) is 1, the average is 0.0625.
Base
System
Value
2
Binary
101001110100001000001000011
3
Ternary
20010000011220002
4
Quaternary
11032201001003
5
Quinary
134422110311
6
Senary
12411310215
8
Octal
516410103
10
Decimal
87691331
12
Duodecimal
2544b36b
16
Hexadecimal
53a1043
20
Vigesimal
178186b
36
Base36
1g7j2b
md5
15f79ab3bac82940807a3d31cfafd989
sha1
04b56bfd7bcd27839a4df7a98380af0e65b7d531
sha256
0fc33a64423a15d8e60626ed52076f85d1eb0065c88ac737c2846b8e52137e00
sha512
96e6e69995aa7dbbdeb5f1b165aad8a67f298af4e1a02dab00d0424c67617387c719864b62bfa9e3a3968b9494bf5ba72af0f1bb3d1a103d82e18aeca6ec7bb2
ripemd-160
0f187686bff6baa4cba63bc08a9fea732e43462c
Diameter
175382662
Circumference
550980882.50622
Area
2.4158123471263E+16
Volume
2.8246106688765E+24
Surface area
9.663249388505E+16
Circumference
550980882.50622
Perimeter
350765324
Area
7689769532551561
Diagonal
124014269.60275
Surface area
46138617195309366
Volume
6.7432612539269E+23
Space diagonal
151885840.67534
Perimeter
263073993
Area
3.3297678822186E+15
Altitude
75942920.33767
Surface area
3.3297678822186E+15
Volume
7.9470095999404E+22
Height
41338089.867583