642091208 is an even 9-digits composite number following 642091207
and preceding 642091209 . In scientific notation, it is written as 6.42091208 × 10^8.
The sum of its digits is 32. It has a total of 5 prime factors and 16 positive divisors.
There are 291859600 positive integers (up to 642091208) that are relatively prime to 642091208.
642091208 has 16 divisors, whose sum is 1313368560
The reverse of 642091208 is 802190246
Previous prime number is 11
Is Prime? no
Number parity even
Number length 9
Sum of Digits 32
Digital Root 5
Name
six hundred forty-two million ninety-one thousand two hundred eight
Scientific notation
6.42091208 × 10^8
Engineering notation
6.42091208 × 10^6
Prime Factorization
2 × 2 × 2 × 11 × 7296491
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
160522802
Product of the distinct prime numbers
The prime factorization of 642091208 is 2 × 2 × 2 × 11 × 7296491.
Since it has a total of 5 prime factors.
6 , 8 , 8 , 5 , 787 , 106 , 5676 , 9394 , 21171 , 62186 , 7721 , 760050 , 7134129 , 1970609 , 23324405 , 3909162 , 471418347 , 496477365 , 5116395025 , 320083709
n×2
1284182416
n×3
1926273624
n×4
2568364832
n×5
3210456040
n÷2
321045604
n÷3
214030402.66667
n÷3
160522802
n÷5
128418241.6
n2
412281119390899264
n3
2.6472208198529E+26
n4
1.6997572140621E+35
n5
1.0913991628839E+44
2 √n
25339.518701033
3 √n
862.71147451879
4 √n
159.1839147057
5 √n
57.745659362322
1 , 2 , 4 , 8 , 11 , 22 , 44 , 88 , 7296491 , 14592982 , 29185964 , 58371928 , 80261401 , 160522802 , 321045604 , 642091208
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
-642091207
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 642091208 can be divided by 16 positive divisors.
The sum of these divisors (counting 642091208) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110010001011000100011001000
3
Ternary
1122202012121112212
4
Quaternary
212101120203020
5
Quinary
2303333404313
6
Senary
143414124252
8
Octal
4621304310
10
Decimal
642091208
12
Duodecimal
15b050688
16
Hexadecimal
264588c8
20
Vigesimal
a0d1808
36
Base36
ama8qw
md5
ad6f532aa3ddd481881e16df9bc8ea95
sha1
43ff7ef93cb6dc9282e0e2acf94a37768f8bfc19
sha256
761292171f3bc95aeefd052f9d69d33eb80a48377418c3cab6dbebdd304012e2
sha512
a2f2586937a78a790f60c5d929628e81f2c878c365dce02ac00eae6396afaae6a0ae28ee09770616a003785efe827cf6c3a5e8de692db55d68236ea6e0094a76
ripemd-160
63b922d0935f1c00ea38cb30b53f44291caddd1e
Diameter
1284182416
Circumference
4034378043.9748
Area
1.2952193358922E+18
Volume
1.1088652640107E+27
Surface area
5.1808773435689E+18
Circumference
4034378043.9748
Perimeter
2568364832
Area
412281119390899264
Diagonal
908054094.63412
Surface area
2473686716345395584
Volume
2.6472208198529E+26
Space diagonal
1112134595.3493
Perimeter
1926273624
Area
1.785229614466E+17
Altitude
556067297.67464
Surface area
1.785229614466E+17
Volume
3.1197796550271E+25
Height
302684698.21137