638462813 (number)

638462813 is an odd 9-digits composite number following 638462812 and preceding 638462814. In scientific notation, it is written as 6.38462813 × 10^8. The sum of its digits is 41. It has a total of 2 prime factors and 4 positive divisors. There are 632605248 positive integers (up to 638462813) that are relatively prime to 638462813.

Interesting facts

Basic properties

Name

Name six hundred thirty-eight million four hundred sixty-two thousand eight hundred thirteen

Notation

Scientific notation 6.38462813 × 10^8
Engineering notation 6.38462813 × 10^6

Prime Factorization of 638462813

Prime Factorization 109 × 5857457

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 638462813
Product of the distinct prime numbers

The prime factorization of 638462813 is 109 × 5857457. Since it has a total of 2 prime factors.

Most popular turbo-numbers

2, 2, 2, 53, 768, 366, 9009, 4513, 20282, 67830, 385309, 238124, 6276594, 6844719, 87904312, 920817, 978936387, 126605700, 4935162673, 5558459428

Basic calculations (n = 638462813)

Multiplication

n×y
n×2 1276925626
n×3 1915388439
n×4 2553851252
n×5 3192314065

Division

n÷y
n÷2 319231406.5
n÷3 212820937.66667
n÷3 159615703.25
n÷5 127692562.6

Exponentiation

ny
n2 407634763583872969
n3 2.6025963783435E+26
n4 1.6616610048208E+35
n5 1.0609087593903E+44

Nth Root

y√n
2√n 25267.821690838
3√n 861.08337101188
4√n 158.95855337426
5√n 57.680248320629

Divisors of 638462813

1, 109, 5857457, 638462813

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 -638462812
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 638462813 can be divided by 4 positive divisors. The sum of these divisors (counting 638462813) is 1, the average is 0.25.

Base conversion 638462813

Base System Value
2 Binary 100110000011100010101101011101
3 Ternary 1122111101021022212
4 Quaternary 212003202231131
5 Quinary 2301421302223
6 Senary 143204250205
8 Octal 4603425535
10 Decimal 638462813
12 Duodecimal 1599a0965
16 Hexadecimal 260e2b5d
20 Vigesimal 9ja7h0d
36 Base36 ak4h25

Cryptographic Hash Functions

md5 079179cc4b3cb6be608b49c0cc7904e5
sha1 f73311a6f5759db7aafd081096f4b4cfcfa9cacb
sha256 21e0005b38106700028bcf9affe2eb435230ed1e2c727f52613066ea93e9bb4e
sha512 3ea338da02cde74ec529a468a4ab01fc713298293ac6edcf29c01b2e32fdf97770ec77e622a4b9a273a21ee0326cdd40386b4c565bf106d8567abaa463781789
ripemd-160 5acd937558341e7affc3eec0f992c6a17a2d02e1

638462813 as geometric shapes

Circle

Radius = n
Diameter 1276925626
Circumference 4011580165.8221
Area 1.2806223786229E+18

Sphere

Radius = n
Volume 1.0901730216618E+27
Surface area 5.1224895144916E+18
Circumference 4011580165.8221

Square

Length = n
Perimeter 2553851252
Area 407634763583872969
Diagonal 902922769.21548

Cube

Length = n
Surface area 2445808581503237814
Volume 2.6025963783435E+26
Space diagonal 1105850030.8593

Equilateral Triangle

Length = n
Perimeter 1915388439
Area 1.7651103036465E+17
Altitude 552925015.42967

Triangular Pyramid

Length = n
Surface area 1.7651103036465E+17
Volume 3.0671892463637E+25
Height 300974256.40516