638961008 (number)

638961008 is an even 9-digits composite number following 638961007 and preceding 638961009. In scientific notation, it is written as 6.38961008 × 10^8. The sum of its digits is 41. It has a total of 7 prime factors and 40 positive divisors. There are 272601792 positive integers (up to 638961008) that are relatively prime to 638961008.

Interesting facts

Basic properties

Name

Name six hundred thirty-eight million nine hundred sixty-one thousand eight

Notation

Scientific notation 6.38961008 × 10^8
Engineering notation 6.38961008 × 10^6

Prime Factorization of 638961008

Prime Factorization 2 × 2 × 2 × 2 × 7 × 223 × 25583

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 79870126
Product of the distinct prime numbers

The prime factorization of 638961008 is 2 × 2 × 2 × 2 × 7 × 223 × 25583. Since it has a total of 7 prime factors.

Most popular turbo-numbers

9, 8, 45, 92, 201, 271, 7560, 2584, 36974, 18023, 625168, 707868, 4836088, 8270393, 56788292, 32171226, 758016055, 167086044, 9165945439, 6060752177

Basic calculations (n = 638961008)

Multiplication

n×y
n×2 1277922016
n×3 1916883024
n×4 2555844032
n×5 3194805040

Division

n÷y
n÷2 319480504
n÷3 212987002.66667
n÷3 159740252
n÷5 127792201.6

Exponentiation

ny
n2 408271169744376064
n3 2.6086935815721E+26
n4 1.6668534804444E+35
n5 1.0650543800531E+44

Nth Root

y√n
2√n 25277.678057923
3√n 861.3072816764
4√n 158.98955329808
5√n 57.689247136471

Divisors of 638961008

1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 223, 446, 892, 1561, 1784, 3122, 3568, 6244, 12488, 24976, 25583, 51166, 102332, 179081, 204664, 358162, 409328, 716324, 1432648, 2865296, 5705009, 11410018, 22820036, 39935063, 45640072, 79870126, 91280144, 159740252, 319480504, 638961008

40 divisors

τ Total Divisors 40
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -638961007
Sum of the proper positive divisors of n
A Arithmetic Mean 0.025
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 40
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 638961008 can be divided by 40 positive divisors. The sum of these divisors (counting 638961008) is 1, the average is 0.025.

Base conversion 638961008

Base System Value
2 Binary 100110000101011100010101110000
3 Ternary 1122112022120201112
4 Quaternary 212011130111300
5 Quinary 2302033223013
6 Senary 143223052452
8 Octal 4605342560
10 Decimal 638961008
12 Duodecimal 159ba1128
16 Hexadecimal 2615c570
20 Vigesimal 9jda2a8
36 Base36 akf5gw

Cryptographic Hash Functions

md5 41efa061e9ce7b1b1908af62cfa1a056
sha1 80c8a91314aa0242666b6b9719883c706b96c5d9
sha256 6e3dcebf5cc02b8e1efd913db6f9e825a8e76bab5f8c62ac322253b79f596af3
sha512 b5bdaaa81028630128f59aa98576daab03f4c7ca3fd70f354ca32a70121d51d4c0636943d93ec347c02835386c2d4a1173849642d6ae2f84362834b23db3a071
ripemd-160 3489497c6cfece26de13cac342070e14ecdbe337

638961008 as geometric shapes

Circle

Radius = n
Diameter 1277922016
Circumference 4014710417.3263
Area 1.2826217075414E+18

Sphere

Radius = n
Volume 1.0927270121778E+27
Surface area 5.1304868301658E+18
Circumference 4014710417.3263

Square

Length = n
Perimeter 2555844032
Area 408271169744376064
Diagonal 903627323.34118

Cube

Length = n
Surface area 2449627018466256384
Volume 2.6086935815721E+26
Space diagonal 1106712929.9114

Equilateral Triangle

Length = n
Perimeter 1916883024
Area 1.7678660231571E+17
Altitude 553356464.95571

Triangular Pyramid

Length = n
Surface area 1.7678660231571E+17
Volume 3.074374869279E+25
Height 301209107.78039