87085978 is an even 8-digits composite number following 87085977
and preceding 87085979 . In scientific notation, it is written as 8.7085978 × 10^7.
The sum of its digits is 52. It has a total of 4 prime factors and 16 positive divisors.
There are 37115280 positive integers (up to 87085978) that are relatively prime to 87085978.
87085978 has 16 divisors, whose sum is 150119424
The reverse of 87085978 is 87958078
Previous prime number is 181
Is Prime? no
Number parity even
Number length 8
Sum of Digits 52
Digital Root 7
Name
eighty-seven million eighty-five thousand nine hundred seventy-eight
Scientific notation
8.7085978 × 10^7
Engineering notation
8.7085978 × 10^6
Prime Factorization
2 × 7 × 181 × 34367
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
87085978
Product of the distinct prime numbers
The prime factorization of 87085978 is 2 × 7 × 181 × 34367.
Since it has a total of 4 prime factors.
5 , 4 , 31 , 47 , 457 , 338 , 4587 , 3608 , 95994 , 71700 , 43303 , 111436 , 1030928 , 4939692 , 39554649 , 63474164 , 687507324 , 214170240 , 7443786847 , 5176595746
n×2
174171956
n×3
261257934
n×4
348343912
n×5
435429890
n÷2
43542989
n÷3
29028659.333333
n÷3
21771494.5
n÷5
17417195.6
n2
7583967564216484
n3
6.6045723245007E+23
n4
5.7516564015088E+31
n5
5.0088862284535E+39
2 √n
9331.9868195363
3 √n
443.25068062997
4 √n
96.602209185589
5 √n
38.7248413051
1 , 2 , 7 , 14 , 181 , 362 , 1267 , 2534 , 34367 , 68734 , 240569 , 481138 , 6220427 , 12440854 , 43542989 , 87085978
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
-87085977
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 87085978 can be divided by 16 positive divisors.
The sum of these divisors (counting 87085978) is 1, the average is 0.0625.
Base
System
Value
2
Binary
101001100001101001110011010
3
Ternary
20001212102111121
4
Quaternary
11030031032122
5
Quinary
134243222403
6
Senary
12350315454
8
Octal
514151632
10
Decimal
87085978
12
Duodecimal
251b8b8a
16
Hexadecimal
530d39a
20
Vigesimal
1745eii
36
Base36
1fujyy
md5
aeba0df869627666f0488bb327b8c2bd
sha1
1b9d7ccd9c0a29760ad8a5e9324d149d507b07cd
sha256
25f1b9863ad7b7bce73512408907893da24e53a1662ee2abc57595076f07c39b
sha512
7c95c4f0153942914113db4fa674fc7e0261a726c07db910d1b15b49c98c443d959127f4cf784b7363769433b8c115c6024bd750dae853793fce535d455b1510
ripemd-160
0edfdb4c99f2131d170465325cf5d1722d41337b
Diameter
174171956
Circumference
547177337.43096
Area
2.3825736784806E+16
Volume
2.7665167859672E+24
Surface area
9.5302947139223E+16
Circumference
547177337.43096
Perimeter
348343912
Area
7583967564216484
Diagonal
123158171.18012
Surface area
45503805385298904
Volume
6.6045723245007E+23
Space diagonal
150837338.52283
Perimeter
261257934
Area
3.2839542860443E+15
Altitude
75418669.261413
Surface area
3.2839542860443E+15
Volume
7.7835631291524E+22
Height
41052723.726708