638366913 (number)

638366913 is an odd 9-digits composite number following 638366912 and preceding 638366914. In scientific notation, it is written as 6.38366913 × 10^8. The sum of its digits is 45. It has a total of 3 prime factors and 8 positive divisors. There are 425577888 positive integers (up to 638366913) that are relatively prime to 638366913.

Interesting facts

Basic properties

Name

Name six hundred thirty-eight million three hundred sixty-six thousand nine hundred thirteen

Notation

Scientific notation 6.38366913 × 10^8
Engineering notation 6.38366913 × 10^6

Prime Factorization of 638366913

Prime Factorization 27 × 3 × 7881073

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 638366913
Product of the distinct prime numbers

The prime factorization of 638366913 is 27 × 3 × 7881073. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 638366913)

Multiplication

n×y
n×2 1276733826
n×3 1915100739
n×4 2553467652
n×5 3191834565

Division

n÷y
n÷2 319183456.5
n÷3 212788971
n÷3 159591728.25
n÷5 127673382.6

Exponentiation

ny
n2 407512315613149569
n3 2.6014237892745E+26
n4 1.6606628737639E+35
n5 1.0601122322584E+44

Nth Root

y√n
2√n 25265.923949066
3√n 861.04025598181
4√n 158.95258396474
5√n 57.678515449716

Divisors of 638366913

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -638366912
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 638366913 can be divided by 8 positive divisors. The sum of these divisors (counting 638366913) is 1, the average is 0.125.

Base conversion 638366913

Base System Value
2 Binary 100110000011001011010011000001
3 Ternary 1122111012101210000
4 Quaternary 212003023103001
5 Quinary 2301410220123
6 Senary 143202230213
8 Octal 4603132301
10 Decimal 638366913
12 Duodecimal 159955369
16 Hexadecimal 260cb4c1
20 Vigesimal 9j9fh5d
36 Base36 ak2f29

Cryptographic Hash Functions

md5 68f6ead6a3cd015a96e3f1431742b717
sha1 e54fb815bf1275b2301179cb22f32fff74548120
sha256 3bea76766559f0220b9197763ac7f1da1048338d8ad4dc3b5021344839aa9e89
sha512 1adef4fab3984371f87aa85b0d1efdd57a8bce071058efc805eb7bad9b5d3bbda56921dbfe12872e56523ba70bdc4267c54267d2be69be2e2a8d4054ada95448
ripemd-160 b621c718f54ad6aa707b180919a16c88d160bd7b

638366913 as geometric shapes

Circle

Radius = n
Diameter 1276733826
Circumference 4010977608.3512
Area 1.2802376969776E+18

Sphere

Radius = n
Volume 1.0896818487011E+27
Surface area 5.1209507879105E+18
Circumference 4010977608.3512

Square

Length = n
Perimeter 2553467652
Area 407512315613149569
Diagonal 902787146.13485

Cube

Length = n
Surface area 2445073893678897414
Volume 2.6014237892745E+26
Space diagonal 1105683927.1869

Equilateral Triangle

Length = n
Perimeter 1915100739
Area 1.76458008838E+17
Altitude 552841963.59345

Triangular Pyramid

Length = n
Surface area 1.76458008838E+17
Volume 3.0658073368933E+25
Height 300929048.71162