638513421 (number)

638513421 is an odd 9-digits composite number following 638513420 and preceding 638513422. In scientific notation, it is written as 6.38513421 × 10^8. The sum of its digits is 33. It has a total of 6 prime factors and 48 positive divisors. There are 316947456 positive integers (up to 638513421) that are relatively prime to 638513421.

Interesting facts

Basic properties

Name

Name six hundred thirty-eight million five hundred thirteen thousand four hundred twenty-one

Notation

Scientific notation 6.38513421 × 10^8
Engineering notation 6.38513421 × 10^6

Prime Factorization of 638513421

Prime Factorization 7 × 3 × 13 × 17 × 17 × 8093

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 37559613
Product of the distinct prime numbers

The prime factorization of 638513421 is 7 × 3 × 13 × 17 × 17 × 8093. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 638513421)

Multiplication

n×y
n×2 1277026842
n×3 1915540263
n×4 2554053684
n×5 3192567105

Division

n÷y
n÷2 319256710.5
n÷3 212837807
n÷3 159628355.25
n÷5 127702684.2

Exponentiation

ny
n2 407699388797123241
n3 2.6032153148046E+26
n4 1.6621879162555E+35
n5 1.0613292927531E+44

Nth Root

y√n
2√n 25268.823102788
3√n 861.10612177878
4√n 158.96170325833
5√n 57.681162701044

Divisors of 638513421

48 divisors

τ Total Divisors 48
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -638513420
Sum of the proper positive divisors of n
A Arithmetic Mean 0.020833333333333
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 48
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 638513421 can be divided by 48 positive divisors. The sum of these divisors (counting 638513421) is 1, the average is 0.020833333333333.

Base conversion 638513421

Base System Value
2 Binary 100110000011101111000100001101
3 Ternary 1122111110211202020
4 Quaternary 212003233010031
5 Quinary 2301424412141
6 Senary 143205320353
8 Octal 4603570415
10 Decimal 638513421
12 Duodecimal 159a060b9
16 Hexadecimal 260ef10d
20 Vigesimal 9jae3b1
36 Base36 ak5k3x

Cryptographic Hash Functions

md5 b1e1cf71c974870e825f59a5d402f68e
sha1 db6ca1ffe68fe39228f4bcc3b451d72193028b38
sha256 a1c54b8b1a3e35f7208e6535cb3762bec1b4a47db35687b2978a2b9c0134ce34
sha512 78f16ae8026f9c6cb12d5c01d0e1177dc9c6a4c00b8f384f53490dc1e1660406bab9402eb53bf9eab59c2157f8d66b483fabc798d27705122497c505191fcafa
ripemd-160 2b3cfe6414248be80109303228046fcf30fc2872

638513421 as geometric shapes

Circle

Radius = n
Diameter 1277026842
Circumference 4011898145.2642
Area 1.2808254047181E+18

Sphere

Radius = n
Volume 1.0904322811603E+27
Surface area 5.1233016188724E+18
Circumference 4011898145.2642

Square

Length = n
Perimeter 2554053684
Area 407699388797123241
Diagonal 902994339.73544

Cube

Length = n
Surface area 2446196332782739446
Volume 2.6032153148046E+26
Space diagonal 1105937686.4866

Equilateral Triangle

Length = n
Perimeter 1915540263
Area 1.7653901390285E+17
Altitude 552968843.24331

Triangular Pyramid

Length = n
Surface area 1.7653901390285E+17
Volume 3.0679186699783E+25
Height 300998113.24515