638995790 (number)

638995790 is an even 9-digits composite number following 638995789 and preceding 638995791. In scientific notation, it is written as 6.38995790 × 10^8. The sum of its digits is 56. It has a total of 4 prime factors and 16 positive divisors. There are 253335936 positive integers (up to 638995790) that are relatively prime to 638995790.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 6.38995790 × 10^8
Engineering notation 6.38995790 × 10^6

Prime Factorization of 638995790

Prime Factorization 2 × 5 × 113 × 565483

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 638995790
Product of the distinct prime numbers

The prime factorization of 638995790 is 2 × 5 × 113 × 565483. Since it has a total of 4 prime factors.

Most popular turbo-numbers

8, 2, 15, 60, 646, 974, 641, 38, 59050, 15778, 107957, 159286, 3294455, 992272, 82676948, 33309998, 778272056, 372023856, 7731376081, 7141355849

Basic calculations (n = 638995790)

Multiplication

n×y
n×2 1277991580
n×3 1916987370
n×4 2555983160
n×5 3194978950

Division

n÷y
n÷2 319497895
n÷3 212998596.66667
n÷3 159748947.5
n÷5 127799158

Exponentiation

ny
n2 408315619637724100
n3 2.6091196193975E+26
n4 1.6672164524014E+35
n5 1.0653442941032E+44

Nth Root

y√n
2√n 25278.366046879
3√n 861.32290988423
4√n 158.9917169128
5√n 57.689875188474

Divisors of 638995790

1, 2, 5, 10, 113, 226, 565, 1130, 565483, 1130966, 2827415, 5654830, 63899579, 127799158, 319497895, 638995790

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -638995789
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 638995790 can be divided by 16 positive divisors. The sum of these divisors (counting 638995790) is 1, the average is 0.0625.

Base conversion 638995790

Base System Value
2 Binary 100110000101100100110101001110
3 Ternary 1122112101100102202
4 Quaternary 212011210311032
5 Quinary 2302040331130
6 Senary 143223521502
8 Octal 4605446516
10 Decimal 638995790
12 Duodecimal 159bb9292
16 Hexadecimal 26164d4e
20 Vigesimal 9jde99a
36 Base36 akfwb2

Cryptographic Hash Functions

md5 3d2c931326b0a70b2d316435658db8b3
sha1 fde7fc94ee5ddbb4f8259d731c0a52407b049fca
sha256 3c46e2ad314255fed3e75fe54682aaece976787b88a89b28e7b1ed3e5135df06
sha512 83813aa14da1920f0f3dd3e89e0b830ce13e1ee9940733611b45014e48c678ba34135e5860991c6dea6f0f205c88ba2f24d3990176c8eb624c45a4d2eed1d234
ripemd-160 972003dff8da22877899255411ae8b3f9c9c87f2

638995790 as geometric shapes

Circle

Radius = n
Diameter 1277991580
Circumference 4014928959.0776
Area 1.2827613509998E+18

Sphere

Radius = n
Volume 1.0929054704848E+27
Surface area 5.1310454039994E+18
Circumference 4014928959.0776

Square

Length = n
Perimeter 2555983160
Area 408315619637724100
Diagonal 903676512.51731

Cube

Length = n
Surface area 2449893717826344600
Volume 2.6091196193975E+26
Space diagonal 1106773174.1026

Equilateral Triangle

Length = n
Perimeter 1916987370
Area 1.7680584968413E+17
Altitude 553386587.05131

Triangular Pyramid

Length = n
Surface area 1.7680584968413E+17
Volume 3.0748769596714E+25
Height 301225504.17244