638942017 (number)

638942017 is an odd 9-digits composite number following 638942016 and preceding 638942018. In scientific notation, it is written as 6.38942017 × 10^8. The sum of its digits is 40. It has a total of 5 prime factors and 24 positive divisors. There are 533927520 positive integers (up to 638942017) that are relatively prime to 638942017.

Interesting facts

Basic properties

Name

Name six hundred thirty-eight million nine hundred forty-two thousand seventeen

Notation

Scientific notation 6.38942017 × 10^8
Engineering notation 6.38942017 × 10^6

Prime Factorization of 638942017

Prime Factorization 7 × 7 × 47 × 421 × 659

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 91277431
Product of the distinct prime numbers

The prime factorization of 638942017 is 7 × 7 × 47 × 421 × 659. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 638942017)

Multiplication

n×y
n×2 1277884034
n×3 1916826051
n×4 2555768068
n×5 3194710085

Division

n÷y
n÷2 319471008.5
n÷3 212980672.33333
n÷3 159735504.25
n÷5 127788403.4

Exponentiation

ny
n2 408246901088028289
n3 2.6084609841518E+26
n4 1.6666553224798E+35
n5 1.064896113389E+44

Nth Root

y√n
2√n 25277.302407496
3√n 861.29874842297
4√n 158.98837192542
5√n 57.688904208028

Divisors of 638942017

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -638942016
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 638942017 can be divided by 24 positive divisors. The sum of these divisors (counting 638942017) is 1, the average is 0.041666666666667.

Base conversion 638942017

Base System Value
2 Binary 100110000101010111101101000001
3 Ternary 1122112021121200011
4 Quaternary 212011113231001
5 Quinary 2302032121032
6 Senary 143222424521
8 Octal 4605275501
10 Decimal 638942017
12 Duodecimal 159b92141
16 Hexadecimal 26157b41
20 Vigesimal 9jd7f0h
36 Base36 akeqtd

Cryptographic Hash Functions

md5 35e6374032e6ca265f64379cbbf4a91b
sha1 7292d43115b5720fd7979ee148e4cf54baf36338
sha256 55a9b5426392300680ac58fab2f2153d63cff498daf7065b2ab9cd5e0e8a2cc6
sha512 613968d855720fa2bb6c4367e67eec1774e577233cfd4595815c098ddf8313485fc50f6baa4fcc037a8d05b82e850c9947c1ab0ab69028db2d8d9ad4dbe803be
ripemd-160 ecccb6af24c13065f5d74b76a648eee45a6acd4d

638942017 as geometric shapes

Circle

Radius = n
Diameter 1277884034
Circumference 4014591093.3541
Area 1.2825454653089E+18

Sphere

Radius = n
Volume 1.0926295819983E+27
Surface area 5.1301818612358E+18
Circumference 4014591093.3541

Square

Length = n
Perimeter 2555768068
Area 408246901088028289
Diagonal 903600466.01142

Cube

Length = n
Surface area 2449481406528169734
Volume 2.6084609841518E+26
Space diagonal 1106680036.5345

Equilateral Triangle

Length = n
Perimeter 1916826051
Area 1.7677609367925E+17
Altitude 553340018.26727

Triangular Pyramid

Length = n
Surface area 1.7677609367925E+17
Volume 3.0741007505905E+25
Height 301200155.33714