638996790 (number)

638996790 is an even 9-digits composite number following 638996789 and preceding 638996791. In scientific notation, it is written as 6.38996790 × 10^8. The sum of its digits is 57. It has a total of 4 prime factors and 16 positive divisors. There are 161430624 positive integers (up to 638996790) that are relatively prime to 638996790.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 6.38996790 × 10^8
Engineering notation 6.38996790 × 10^6

Prime Factorization of 638996790

Prime Factorization 2 × 15 × 19 × 1121047

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 638996790
Product of the distinct prime numbers

The prime factorization of 638996790 is 2 × 15 × 19 × 1121047. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 9, 100, 74, 569, 695, 2633, 6746, 67515, 50747, 871894, 382000, 1078172, 3777794, 54892775, 23823009, 325722708, 780257409, 3808943399, 9989640674

Basic calculations (n = 638996790)

Multiplication

n×y
n×2 1277993580
n×3 1916990370
n×4 2555987160
n×5 3194983950

Division

n÷y
n÷2 319498395
n÷3 212998930
n÷3 159749197.5
n÷5 127799358

Exponentiation

ny
n2 408316897630304100
n3 2.6091318688852E+26
n4 1.6672268889044E+35
n5 1.0653526302116E+44

Nth Root

y√n
2√n 25278.385826631
3√n 861.32335919469
4√n 158.9917791165
5√n 57.689893244881

Divisors of 638996790

1, 2, 15, 19, 30, 38, 285, 570, 1121047, 2242094, 16815705, 21299893, 33631410, 42599786, 319498395, 638996790

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 -638996789
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 638996790 can be divided by 16 positive divisors. The sum of these divisors (counting 638996790) is 1, the average is 0.0625.

Base conversion 638996790

Base System Value
2 Binary 100110000101100101000100110110
3 Ternary 1122112101101210210
4 Quaternary 212011211010312
5 Quinary 2302040344130
6 Senary 143223530250
8 Octal 4605450466
10 Decimal 638996790
12 Duodecimal 159bb9986
16 Hexadecimal 26165136
20 Vigesimal 9jdebja
36 Base36 akfx2u

Cryptographic Hash Functions

md5 2533c44dd1ad8ff3ab3b4b30c5c83407
sha1 42e31adca3b70765ac9ac7e99f9a8fd6f07f8f33
sha256 7f76678d56d3be5dbd8998b79e4a7892cdfcf2c40da207e948629a4ef34cb314
sha512 4accd4afef6fb8953412399a54f62da735a7a0cd214a978e98289f3581e4f0064e932277de8351168f1a4cfedda8cbe6d296f630c0815ce6212be8204eccbf7f
ripemd-160 a2d10fe38cf768d6699f7154f8cfa6ce2eae8763

638996790 as geometric shapes

Circle

Radius = n
Diameter 1277993580
Circumference 4014935242.2629
Area 1.2827653659319E+18

Sphere

Radius = n
Volume 1.0929106015382E+27
Surface area 5.1310614637278E+18
Circumference 4014935242.2629

Square

Length = n
Perimeter 2555987160
Area 408316897630304100
Diagonal 903677926.73087

Cube

Length = n
Surface area 2449901385781824600
Volume 2.6091318688852E+26
Space diagonal 1106774906.1534

Equilateral Triangle

Length = n
Perimeter 1916990370
Area 1.7680640307115E+17
Altitude 553387453.07671

Triangular Pyramid

Length = n
Surface area 1.7680640307115E+17
Volume 3.0748913958311E+25
Height 301225975.57696