638990047 (number)

638990047 is an odd 9-digits composite number following 638990046 and preceding 638990048. In scientific notation, it is written as 6.38990047 × 10^8. The sum of its digits is 46. It has a total of 2 prime factors and 4 positive divisors. There are 638210920 positive integers (up to 638990047) that are relatively prime to 638990047.

Interesting facts

Basic properties

Name

Name six hundred thirty-eight million nine hundred ninety thousand forty-seven

Notation

Scientific notation 6.38990047 × 10^8
Engineering notation 6.38990047 × 10^6

Prime Factorization of 638990047

Prime Factorization 821 × 778307

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 638990047
Product of the distinct prime numbers

The prime factorization of 638990047 is 821 × 778307. Since it has a total of 2 prime factors.

Most popular turbo-numbers

9, 1, 86, 4, 238, 941, 3367, 33, 19943, 13450, 122217, 35564, 679219, 7726403, 30294423, 20396333, 170214085, 856074288, 3401980991, 377078428

Basic calculations (n = 638990047)

Multiplication

n×y
n×2 1277980094
n×3 1916970141
n×4 2555960188
n×5 3194950235

Division

n÷y
n÷2 319495023.5
n÷3 212996682.33333
n÷3 159747511.75
n÷5 127798009.4

Exponentiation

ny
n2 408308280165062209
n3 2.6090492713316E+26
n4 1.6671565165135E+35
n5 1.0652964208433E+44

Nth Root

y√n
2√n 25278.252451465
3√n 861.32032948523
4√n 158.9913596755
5√n 57.689771490093

Divisors of 638990047

1, 821, 778307, 638990047

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -638990046
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 638990047 can be divided by 4 positive divisors. The sum of these divisors (counting 638990047) is 1, the average is 0.25.

Base conversion 638990047

Base System Value
2 Binary 100110000101100011011011011111
3 Ternary 1122112101001120001
4 Quaternary 212011203123133
5 Quinary 2302040140142
6 Senary 143223435131
8 Octal 4605433337
10 Decimal 638990047
12 Duodecimal 159bb5aa7
16 Hexadecimal 261636df
20 Vigesimal 9jddf27
36 Base36 akfrvj

Cryptographic Hash Functions

md5 0c4b2b36dd35f6bd8ca1610e361a8b43
sha1 1db23d4938cb776218b0d9366fc1ceacb3f3f79b
sha256 9dd9b9fab11e123ab9a7cf3bd77b02bb4610a274f3d7cdcaad3513b103d5a3f2
sha512 25dc3726e71b0df5f2435aed8bd84f083943f87ae31b0a5dd9d2796fa345fc0a0238a15d59d00ffbae3932fdc74cbf3362ec03ba9189ae78d8bbac098966beaa
ripemd-160 844f757f2c64bb87476f83801edaff7cd2701111

638990047 as geometric shapes

Circle

Radius = n
Diameter 1277980094
Circumference 4014892874.7444
Area 1.2827382933664E+18

Sphere

Radius = n
Volume 1.0928760031559E+27
Surface area 5.1309531734658E+18
Circumference 4014892874.7444

Square

Length = n
Perimeter 2555960188
Area 408308280165062209
Diagonal 903668390.68882

Cube

Length = n
Surface area 2449849680990373254
Volume 2.6090492713316E+26
Space diagonal 1106763226.9348

Equilateral Triangle

Length = n
Perimeter 1916970141
Area 1.7680267159924E+17
Altitude 553381613.46741

Triangular Pyramid

Length = n
Surface area 1.7680267159924E+17
Volume 3.0747940536807E+25
Height 301222796.89627