638992072 (number)

638992072 is an even 9-digits composite number following 638992071 and preceding 638992073. In scientific notation, it is written as 6.38992072 × 10^8. The sum of its digits is 46. It has a total of 7 prime factors and 64 positive divisors. There are 290873088 positive integers (up to 638992072) that are relatively prime to 638992072.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 6.38992072 × 10^8
Engineering notation 6.38992072 × 10^6

Prime Factorization of 638992072

Prime Factorization 2 × 2 × 2 × 23 × 47 × 37 × 1997

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 159748018
Product of the distinct prime numbers

The prime factorization of 638992072 is 2 × 2 × 2 × 23 × 47 × 37 × 1997. Since it has a total of 7 prime factors.

Most popular turbo-numbers

2, 4, 38, 78, 592, 185, 228, 3554, 32403, 88522, 132622, 941063, 2838682, 7791856, 28970450, 58084684, 395633948, 166478990, 3223643947, 359180987

Basic calculations (n = 638992072)

Multiplication

n×y
n×2 1277984144
n×3 1916976216
n×4 2555968288
n×5 3194960360

Division

n÷y
n÷2 319496036
n÷3 212997357.33333
n÷3 159748018
n÷5 127798414.4

Exponentiation

ny
n2 408310868078853184
n3 2.6090740761383E+26
n4 1.6671776499131E+35
n5 1.06531330091E+44

Nth Root

y√n
2√n 25278.292505626
3√n 861.32123934386
4√n 158.99148563878
5√n 57.689808054556

Divisors of 638992072

1, 2, 4, 8, 23, 37, 46, 47, 74, 92, 94, 148, 184, 188, 296, 376, 851, 1081, 1702, 1739, 1997, 2162, 3404, 3478, 3994, 4324, 6808, 6956, 7988, 8648, 13912, 15976, 39997, 45931, 73889, 79994, 91862, 93859, 147778, 159988, 183724, 187718, 295556, 319976, 367448, 375436, 591112, 750872, 1699447, 2158757, 3398894, 3472783, 4317514, 6797788, 6945566, 8635028, 13595576, 13891132, 17270056, 27782264, 79874009, 159748018, 319496036, 638992072

64 divisors

τ Total Divisors 64
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -638992071
Sum of the proper positive divisors of n
A Arithmetic Mean 0.015625
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 64
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 638992072 can be divided by 64 positive divisors. The sum of these divisors (counting 638992072) is 1, the average is 0.015625.

Base conversion 638992072

Base System Value
2 Binary 100110000101100011111011001000
3 Ternary 1122112101011100001
4 Quaternary 212011203323020
5 Quinary 2302040221242
6 Senary 143223452344
8 Octal 4605437310
10 Decimal 638992072
12 Duodecimal 159bb70b4
16 Hexadecimal 26163ec8
20 Vigesimal 9jde03c
36 Base36 akftfs

Cryptographic Hash Functions

md5 c28cf52aafd4734e34a4fd527f1cc55f
sha1 c97b1b8fc92e39ca3a42738ada5a032fee0e9703
sha256 f5c6ba019d5531d1ad544232b6890ee1b68091e335a1cdffc077b5aabfbaaae1
sha512 8047cf9896e0cb111a5321e13748c92a2f6819c8bcfbeb3ba281d915595dc0731db30d0b3c4c6cdf3a013a131e1df8f2524a36ecf966397cff2674b66a36d183
ripemd-160 dd801734f860976dfaffc9a85f18de05df3e6864

638992072 as geometric shapes

Circle

Radius = n
Diameter 1277984144
Circumference 4014905598.1946
Area 1.2827464235374E+18

Sphere

Radius = n
Volume 1.092886393369E+27
Surface area 5.1309856941496E+18
Circumference 4014905598.1946

Square

Length = n
Perimeter 2555968288
Area 408310868078853184
Diagonal 903671254.47129

Cube

Length = n
Surface area 2449865208473119104
Volume 2.6090740761383E+26
Space diagonal 1106766734.3377

Equilateral Triangle

Length = n
Perimeter 1916976216
Area 1.7680379219878E+17
Altitude 553383367.16886

Triangular Pyramid

Length = n
Surface area 1.7680379219878E+17
Volume 3.0748232864256E+25
Height 301223751.49043