642786117 is an odd 9-digits composite number following 642786116
and preceding 642786118 . In scientific notation, it is written as 6.42786117 × 10^8.
The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors.
There are 424106112 positive integers (up to 642786117) that are relatively prime to 642786117.
642786117 has 8 divisors, whose sum is 865884096
The reverse of 642786117 is 711687246
Previous prime number is 97
Is Prime? no Number parity odd Number length 9 Sum of Digits 42 Digital Root 6
Name
six hundred forty-two million seven hundred eighty-six thousand one hundred seventeen
Scientific notation
6.42786117 × 10^8
Engineering notation
6.42786117 × 10^6
Prime Factorization
3 × 97 × 2208887
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
3 Total number of prime factors
rad Radical
642786117 Product of the distinct prime numbers
The prime factorization of 642786117 is 3 × 97 × 2208887.
Since it has a total of 3 prime factors.
4 , 6 , 87 , 43 , 19 , 183 , 6939 , 8928 , 33230 , 64301 , 564868 , 403195 , 2372263 , 2413523 , 75468185 , 20485699 , 60871276 , 98421054 , 1769904066 , 3632605909
n×2
1285572234
n×3
1928358351
n×4
2571144468
n×5
3213930585
n÷2
321393058.5
n÷3
214262039
n÷3
160696529.25
n÷5
128557223.4
n2
413173992207937689
n3
2.6558250609673E+26
n4
1.7071274783704E+35
n5
1.0973178430457E+44
2 √n25353.226954374
3 √n863.02258806826
4 √n159.22696679386
5 √n57.758153107019
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
-642786116 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 642786117 can be divided by 8 positive divisors.
The sum of these divisors (counting 642786117) is 1, the average is 0.125.
Base
System
Value
2
Binary
100110010100000010001101000101
3
Ternary
1122210111220210020
4
Quaternary
212110002031011
5
Quinary
2304023123432
6
Senary
143441045353
8
Octal
4624021505
10
Decimal
642786117
12
Duodecimal
15b326859
16
Hexadecimal
26502345
20
Vigesimal
a0h855h
36
Base36
amp4xx
md5
6fe2497491788e62240c78d855c99a7b
sha1
a18ba87acc0dce4ee62863a8f62aff3ed11e493c
sha256
b26dd0529d05c3b09da7e63573235b72b1e6f7a18965345786fb6cde67c8d3cd
sha512
6eeaf4dbbb8ff114445c85200af454ca414d11d290311f230796b86a08518087df32f74a3ad37abef41f81c692886378ef78f4ede2026fcc476593201fe74cb9
ripemd-160
238f4204e1cba119b1916676077c0b76c8ea392f
Diameter
1285572234
Circumference
4038744285.9934
Area
1.2980243785748E+18
Volume
1.1124694001006E+27
Surface area
5.1920975142993E+18
Circumference
4038744285.9934
Perimeter
2571144468
Area
413173992207937689
Diagonal
909036844.36654
Surface area
2479043953247626134
Volume
2.6558250609673E+26
Space diagonal
1113338213.0439
Perimeter
1928358351
Area
1.7890958671755E+17
Altitude
556669106.52196
Surface area
1.7890958671755E+17
Volume
3.1299198504252E+25
Height
303012281.45551