638992061 is an odd 9-digits composite number following 638992060
and preceding 638992062 . In scientific notation, it is written as 6.38992061 × 10^8.
The sum of its digits is 44. It has a total of 4 prime factors and 16 positive divisors.
There are 608095488 positive integers (up to 638992061) that are relatively prime to 638992061.
638992061 has 16 divisors, whose sum is 670593600
The reverse of 638992061 is 160299836
Previous prime number is 227
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 44
Digital Root 8
Name
six hundred thirty-eight million nine hundred ninety-two thousand sixty-one
Scientific notation
6.38992061 × 10^8
Engineering notation
6.38992061 × 10^6
Prime Factorization
29 × 113 × 227 × 859
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
638992061
Product of the distinct prime numbers
The prime factorization of 638992061 is 29 × 113 × 227 × 859.
Since it has a total of 4 prime factors.
7 , 4 , 70 , 11 , 133 , 534 , 2694 , 2360 , 74189 , 93518 , 803722 , 557504 , 294584 , 2142282 , 83492760 , 63123010 , 252748044 , 254629623 , 7419639139 , 5441088783
n×2
1277984122
n×3
1916976183
n×4
2555968244
n×5
3194960305
n÷2
319496030.5
n÷3
212997353.66667
n÷3
159748015.25
n÷5
127798412.2
n2
408310854021027721
n3
2.6090739413957E+26
n4
1.6671775351138E+35
n5
1.0653132092153E+44
2 √n
25278.292288048
3 √n
861.32123440143
4 √n
158.99148495454
5 √n
57.689807855935
1 , 29 , 113 , 227 , 859 , 3277 , 6583 , 24911 , 25651 , 97067 , 194993 , 743879 , 2814943 , 5654797 , 22034209 , 638992061
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
-638992060
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 638992061 can be divided by 16 positive divisors.
The sum of these divisors (counting 638992061) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110000101100011111010111101
3
Ternary
1122112101011022122
4
Quaternary
212011203322331
5
Quinary
2302040221221
6
Senary
143223452325
8
Octal
4605437275
10
Decimal
638992061
12
Duodecimal
159bb70a5
16
Hexadecimal
26163ebd
20
Vigesimal
9jde031
36
Base36
akftfh
md5
fb8ad0e8166657f966cae565bd1129a4
sha1
f0802bf00602e4ae61de03ec97c1e066f02c9370
sha256
c136a3ae75cd8a5478e86d38aed1d25e1f5d4f55195281595b811ed5e7116927
sha512
72cab4440a2fce808b7694382e471d6398d85cd8d840f9cf7e98a9a2a108c97bbd2e228918deac15bc97067a78284593659606fb0e5614c07440aa277cfccf2b
ripemd-160
17775256bc50e07f0f4ea69b15a4b5fe0c7f9260
Diameter
1277984122
Circumference
4014905529.0796
Area
1.2827463793734E+18
Volume
1.0928863369282E+27
Surface area
5.1309855174937E+18
Circumference
4014905529.0796
Perimeter
2555968244
Area
408310854021027721
Diagonal
903671238.91494
Surface area
2449865124126166326
Volume
2.6090739413957E+26
Space diagonal
1106766715.2852
Perimeter
1916976183
Area
1.7680378611156E+17
Altitude
553383357.64258
Surface area
1.7680378611156E+17
Volume
3.07482312763E+25
Height
301223746.30498