638993825 (number)

638993825 is an odd 9-digits composite number following 638993824 and preceding 638993826. In scientific notation, it is written as 6.38993825 × 10^8. The sum of its digits is 53. It has a total of 2 prime factors and 4 positive divisors. There are 511195040 positive integers (up to 638993825) that are relatively prime to 638993825.

Interesting facts

Basic properties

Name

Name six hundred thirty-eight million nine hundred ninety-three thousand eight hundred twenty-five

Notation

Scientific notation 6.38993825 × 10^8
Engineering notation 6.38993825 × 10^6

Prime Factorization of 638993825

Prime Factorization 25 × 25559753

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 638993825
Product of the distinct prime numbers

The prime factorization of 638993825 is 25 × 25559753. Since it has a total of 2 prime factors.

Most popular turbo-numbers

3, 9, 14, 5, 519, 16, 7923, 346, 85003, 26689, 868278, 902237, 7167127, 5211717, 52918672, 63981647, 800746650, 150486568, 7196728820, 9679571178

Basic calculations (n = 638993825)

Multiplication

n×y
n×2 1277987650
n×3 1916981475
n×4 2555975300
n×5 3194969125

Division

n÷y
n÷2 319496912.5
n÷3 212997941.66667
n÷3 159748456.25
n÷5 127798765

Exponentiation

ny
n2 408313108388130625
n3 2.6090955492657E+26
n4 1.6671959448158E+35
n5 1.0653279138023E+44

Nth Root

y√n
2√n 25278.327179622
3√n 861.32202698783
4√n 158.9915946823
5√n 57.689839707569

Divisors of 638993825

1, 25, 25559753, 638993825

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -638993824
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 638993825 can be divided by 4 positive divisors. The sum of these divisors (counting 638993825) is 1, the average is 0.25.

Base conversion 638993825

Base System Value
2 Binary 100110000101100100010110100001
3 Ternary 1122112101020201222
4 Quaternary 212011210112201
5 Quinary 2302040300300
6 Senary 143223504425
8 Octal 4605442641
10 Decimal 638993825
12 Duodecimal 159bb8115
16 Hexadecimal 261645a1
20 Vigesimal 9jde4b5
36 Base36 akfush

Cryptographic Hash Functions

md5 d1106fba1404706f4a6a30b1db5912dc
sha1 179bf8e7156c5cd9f5f56c7ca3d6690c90472333
sha256 9a8b182569328f673b68022bb11811c3546785571a24ecd2bf221ae16acffd03
sha512 b02380734c97285200a8800b3510f23423bbb763a1f7d0178166667c0f10672f036fec7d2bcbca5bea5303bb8b64ee477a9743314d394ce90214327489cd18df
ripemd-160 ce9d843cdcd9e85367ccc27961e2530a53bffd61

638993825 as geometric shapes

Circle

Radius = n
Diameter 1277987650
Circumference 4014916612.6185
Area 1.2827534616766E+18

Sphere

Radius = n
Volume 1.0928953880116E+27
Surface area 5.1310138467063E+18
Circumference 4014916612.6185

Square

Length = n
Perimeter 2555975300
Area 408313108388130625
Diagonal 903673733.58766

Cube

Length = n
Surface area 2449878650328783750
Volume 2.6090955492657E+26
Space diagonal 1106769770.6228

Equilateral Triangle

Length = n
Perimeter 1916981475
Area 1.7680476228116E+17
Altitude 553384885.31139

Triangular Pyramid

Length = n
Surface area 1.7680476228116E+17
Volume 3.074848592749E+25
Height 301224577.86255