638992066 (number)

638992066 is an even 9-digits composite number following 638992065 and preceding 638992067. In scientific notation, it is written as 6.38992066 × 10^8. The sum of its digits is 49. It has a total of 3 prime factors and 8 positive divisors. There are 314080788 positive integers (up to 638992066) that are relatively prime to 638992066.

Interesting facts

Basic properties

Name

Name six hundred thirty-eight million nine hundred ninety-two thousand sixty-six

Notation

Scientific notation 6.38992066 × 10^8
Engineering notation 6.38992066 × 10^6

Prime Factorization of 638992066

Prime Factorization 2 × 59 × 5415187

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 638992066
Product of the distinct prime numbers

The prime factorization of 638992066 is 2 × 59 × 5415187. Since it has a total of 3 prime factors.

Most popular turbo-numbers

4, 10, 76, 64, 278, 582, 7139, 3581, 37051, 18386, 492008, 807317, 7612203, 7958426, 37120610, 80663319, 784077104, 767563225, 10862846, 5000520176

Basic calculations (n = 638992066)

Multiplication

n×y
n×2 1277984132
n×3 1916976198
n×4 2555968264
n×5 3194960330

Division

n÷y
n÷2 319496033
n÷3 212997355.33333
n÷3 159748016.5
n÷5 127798413.2

Exponentiation

ny
n2 408310860410948356
n3 2.6090740026423E+26
n4 1.6671775872953E+35
n5 1.0653132508947E+44

Nth Root

y√n
2√n 25278.292386947
3√n 861.32123664799
4√n 158.99148526556
5√n 57.689807946217

Divisors of 638992066

1, 2, 59, 118, 5415187, 10830374, 319496033, 638992066

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 -638992065
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 638992066 can be divided by 8 positive divisors. The sum of these divisors (counting 638992066) is 1, the average is 0.125.

Base conversion 638992066

Base System Value
2 Binary 100110000101100011111011000010
3 Ternary 1122112101011022211
4 Quaternary 212011203323002
5 Quinary 2302040221231
6 Senary 143223452334
8 Octal 4605437302
10 Decimal 638992066
12 Duodecimal 159bb70aa
16 Hexadecimal 26163ec2
20 Vigesimal 9jde036
36 Base36 akftfm

Cryptographic Hash Functions

md5 c51510138ef906c57662d9abcd206bc7
sha1 6eff5a6e1025b590345d021e4c6e653140bac0a2
sha256 8724d387ff5dedec73a65887b52394c888c9cdc2c6403cef3ff05225e2b04409
sha512 1127095540ae6838b4c2d58311b2c0b54677cc5924eb05d27ab1128a743d08c67f0b88cd41397719fae50326c20ae2dd43cd20a1380dfa231204b1ee9016b778
ripemd-160 35766e3b8a15fe3ca411de3250d7e1b574173a74

638992066 as geometric shapes

Circle

Radius = n
Diameter 1277984132
Circumference 4014905560.4955
Area 1.282746399448E+18

Sphere

Radius = n
Volume 1.0928863625831E+27
Surface area 5.1309855977919E+18
Circumference 4014905560.4955

Square

Length = n
Perimeter 2555968264
Area 408310860410948356
Diagonal 903671245.986

Cube

Length = n
Surface area 2449865162465690136
Volume 2.6090740026423E+26
Space diagonal 1106766723.9454

Equilateral Triangle

Length = n
Perimeter 1916976198
Area 1.7680378887848E+17
Altitude 553383361.9727

Triangular Pyramid

Length = n
Surface area 1.7680378887848E+17
Volume 3.0748231998098E+25
Height 301223748.662