638406925 (number)

638406925 is an odd 9-digits composite number following 638406924 and preceding 638406926. In scientific notation, it is written as 6.38406925 × 10^8. The sum of its digits is 43. It has a total of 4 prime factors and 16 positive divisors. There are 469022400 positive integers (up to 638406925) that are relatively prime to 638406925.

Interesting facts

Basic properties

Name

Name six hundred thirty-eight million four hundred six thousand nine hundred twenty-five

Notation

Scientific notation 6.38406925 × 10^8
Engineering notation 6.38406925 × 10^6

Prime Factorization of 638406925

Prime Factorization 65 × 5 × 9871 × 199

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 638406925
Product of the distinct prime numbers

The prime factorization of 638406925 is 65 × 5 × 9871 × 199. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 6, 42, 91, 219, 430, 5558, 7508, 81835, 28783, 95573, 195708, 5485481, 4967007, 77803445, 76450465, 630705290, 945171370, 3672815664, 8007903441

Basic calculations (n = 638406925)

Multiplication

n×y
n×2 1276813850
n×3 1915220775
n×4 2553627700
n×5 3192034625

Division

n÷y
n÷2 319203462.5
n÷3 212802308.33333
n÷3 159601731.25
n÷5 127681385

Exponentiation

ny
n2 407563401887955625
n3 2.6019129814183E+26
n4 1.6610792655848E+35
n5 1.0604445061233E+44

Nth Root

y√n
2√n 25266.71575413
3√n 861.05824523023
4√n 158.95507464101
5√n 57.679238474314

Divisors of 638406925

1, 5, 65, 199, 325, 995, 9871, 12935, 49355, 64675, 641615, 1964329, 3208075, 9821645, 127681385, 638406925

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 -638406924
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 638406925 can be divided by 16 positive divisors. The sum of these divisors (counting 638406925) is 1, the average is 0.0625.

Base conversion 638406925

Base System Value
2 Binary 100110000011010101000100001101
3 Ternary 1122111021102122221
4 Quaternary 212003111010031
5 Quinary 2301413010200
6 Senary 143203135341
8 Octal 4603250415
10 Decimal 638406925
12 Duodecimal 159974551
16 Hexadecimal 260d510d
20 Vigesimal 9ja0h65
36 Base36 ak39xp

Cryptographic Hash Functions

md5 54b5c65136aa5fe63510c680685a357f
sha1 0ddc624bef38881765aa814674769f8a9de959f7
sha256 336eb7474491e792cd68e34e0d9e5e2ba3cf76072467779923790149b42a74d8
sha512 4d7bddb3707e3f9a642a15dd237d934575fb5ca27ef57410144e0ae24f66a5928a41c752e98c6e7b4b143a0b7e815e451c82f9193a2dc2fdf0634a9aa0937f0a
ripemd-160 2ce0240f809b5b3c6bd384c1d94d6d13e765f302

638406925 as geometric shapes

Circle

Radius = n
Diameter 1276813850
Circumference 4011229011.1617
Area 1.2803981892433E+18

Sphere

Radius = n
Volume 1.0898867610271E+27
Surface area 5.1215927569731E+18
Circumference 4011229011.1617

Square

Length = n
Perimeter 2553627700
Area 407563401887955625
Diagonal 902843731.6479

Cube

Length = n
Surface area 2445380411327733750
Volume 2.6019129814183E+26
Space diagonal 1105753230.0038

Equilateral Triangle

Length = n
Perimeter 1915220775
Area 1.7648012984389E+17
Altitude 552876615.00191

Triangular Pyramid

Length = n
Surface area 1.7648012984389E+17
Volume 3.0663838553636E+25
Height 300947910.5493