638561381 (number)

638561381 is an odd 9-digits prime number following 638561380 and preceding 638561382. In scientific notation, it is written as 6.38561381 × 10^8. The sum of its digits is 41. It has a total of 1 prime factors and 2 positive divisors. There are 638561380 positive integers (up to 638561381) that are relatively prime to 638561381.

Interesting facts

Basic properties

Name

Name six hundred thirty-eight million five hundred sixty-one thousand three hundred eighty-one

Notation

Scientific notation 6.38561381 × 10^8
Engineering notation 6.38561381 × 10^6

Prime Factorization of 638561381

Prime Factorization 638561381

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 638561381
Product of the distinct prime numbers

The prime factorization of 638561381 is 638561381. Since it has a total of 1 prime factors.

Most popular turbo-numbers

8, 8, 19, 30, 257, 661, 6463, 9708, 74389, 18122, 229597, 567938, 7087303, 122118, 33451617, 23672914, 42799312, 81714901, 9943257305, 5518426780

Basic calculations (n = 638561381)

Multiplication

n×y
n×2 1277122762
n×3 1915684143
n×4 2554245524
n×5 3192806905

Division

n÷y
n÷2 319280690.5
n÷3 212853793.66667
n÷3 159640345.25
n÷5 127712276.2

Exponentiation

ny
n2 407760637304627161
n3 2.6038019567468E+26
n4 1.6626873733508E+35
n5 1.0617279452981E+44

Nth Root

y√n
2√n 25269.772080492
3√n 861.12768103098
4√n 158.96468815587
5√n 57.682029184147

Divisors of 638561381

1, 638561381

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 638561382
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 319280691
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 25269.772100278
Returns the nth root of the product of n divisors
H Harmonic Mean 1.999999996868
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 638561381 can be divided by 2 positive divisors. The sum of these divisors (counting 638561381) is 638561382, the average is 319280691.

Base conversion 638561381

Base System Value
2 Binary 100110000011111010110001100101
3 Ternary 1122111120021112112
4 Quaternary 212003322301211
5 Quinary 2301432431011
6 Senary 143210330405
8 Octal 4603726145
10 Decimal 638561381
12 Duodecimal 159a29a05
16 Hexadecimal 260fac65
20 Vigesimal 9jb0391
36 Base36 ak6l45

Cryptographic Hash Functions

md5 eaba691985a86215becb2085a222cf8c
sha1 40f445b6fbdf5269d8638e18c69d2648564ca7ff
sha256 6373bdd1fbf55862f9ae5c0f8b5781d5afa2c5b1291f467ccabac0d2412410ee
sha512 a5531b4c19e85a0e93d88938adc030ecd19a25aab9cff211a94dddbc7a5a238dd883090b961ca76058a5a4facad69dc21a2906ca69a4b73226367c3f8da1524c
ripemd-160 b9c4dd4c214d4d56c5faad99d5baf7653b4d5560

638561381 as geometric shapes

Circle

Radius = n
Diameter 1277122762
Circumference 4012199486.8315
Area 1.2810178225793E+18

Sphere

Radius = n
Volume 1.0906780131625E+27
Surface area 5.1240712903172E+18
Circumference 4012199486.8315

Square

Length = n
Perimeter 2554245524
Area 407760637304627161
Diagonal 903062165.41789

Cube

Length = n
Surface area 2446563823827762966
Volume 2.6038019567468E+26
Space diagonal 1106020755.6433

Equilateral Triangle

Length = n
Perimeter 1915684143
Area 1.7656553528457E+17
Altitude 553010377.82167

Triangular Pyramid

Length = n
Surface area 1.7656553528457E+17
Volume 3.0686100341375E+25
Height 301020721.80596