987690639 is an odd 9-digits composite number following 987690638
and preceding 987690640 . In scientific notation, it is written as 9.87690639 × 10^8.
The sum of its digits is 57. It has a total of 3 prime factors and 8 positive divisors.
There are 607809600 positive integers (up to 987690639) that are relatively prime to 987690639.
987690639 has 8 divisors, whose sum is 1418222512
The reverse of 987690639 is 936096789
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 57
Digital Root 3
Name
nine hundred eighty-seven million six hundred ninety thousand six hundred thirty-nine
Scientific notation
9.87690639 × 10^8
Engineering notation
9.87690639 × 10^6
Prime Factorization
3 × 13 × 25325401
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
987690639
Product of the distinct prime numbers
The prime factorization of 987690639 is 3 × 13 × 25325401.
Since it has a total of 3 prime factors.
8 , 5 , 15 , 42 , 942 , 18 , 3635 , 1772 , 94777 , 2362 , 538703 , 581474 , 8626800 , 3853192 , 76396596 , 60104454 , 18136861 , 699926336 , 2787884636 , 2476814499
n×2
1975381278
n×3
2963071917
n×4
3950762556
n×5
4938453195
n÷2
493845319.5
n÷3
329230213
n÷3
246922659.75
n÷5
197538127.8
n2
975532798368228321
n3
9.6352461298577E+26
n4
9.5166424069215E+35
n5
9.3994986200268E+44
2 √n
31427.545863462
3 √n
995.879927986
4 √n
177.27815957828
5 √n
62.939630292507
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-987690638
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 987690639 can be divided by 8 positive divisors.
The sum of these divisors (counting 987690639) is 1, the average is 0.125.
Base
System
Value
2
Binary
111010110111101111011010001111
3
Ternary
2112211111212211210
4
Quaternary
322313233122033
5
Quinary
4010322100024
6
Senary
242001345503
8
Octal
7267573217
10
Decimal
987690639
12
Duodecimal
236938293
16
Hexadecimal
3adef68f
20
Vigesimal
f8d16bj
36
Base36
gc1mz3
md5
bf126c8e19af3ec8bcd8fe5d2547f46e
sha1
f8b70ec4f2554d3db3972987eb416590e78b0a58
sha256
ddb8f6436cc0d216bea951d69893d58237d457866f204d9e90ea6c08eca1d0a5
sha512
4aae367698651cec38a83cfd2552b14482d76ac6c2f777c194388ca0e2fa3a7dcb1cc3eb166ea4597f720e5cf42fe3f323229c98157ba01c8ddcc85b0e94406a
ripemd-160
5f2b533dc9855cf29bfdcab132fdd1cec8d42068
Diameter
1975381278
Circumference
6205843311.0036
Area
3.0647266726895E+18
Volume
4.0360024609454E+27
Surface area
1.2258906690758E+19
Circumference
6205843311.0036
Perimeter
3950762556
Area
975532798368228321
Diagonal
1396805497.1027
Surface area
5853196790209369926
Volume
9.6352461298577E+26
Space diagonal
1710730368.9082
Perimeter
2963071917
Area
4.224180928059E+17
Altitude
855365184.45409
Surface area
4.224180928059E+17
Volume
1.1355246461373E+26
Height
465601832.36758