638993851 (number)

638993851 is an odd 9-digits prime number following 638993850 and preceding 638993852. In scientific notation, it is written as 6.38993851 × 10^8. The sum of its digits is 52. It has a total of 1 prime factors and 2 positive divisors. There are 638993850 positive integers (up to 638993851) that are relatively prime to 638993851.

Interesting facts

Basic properties

Name

Name six hundred thirty-eight million nine hundred ninety-three thousand eight hundred fifty-one

Notation

Scientific notation 6.38993851 × 10^8
Engineering notation 6.38993851 × 10^6

Prime Factorization of 638993851

Prime Factorization 638993851

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 638993851
Product of the distinct prime numbers

The prime factorization of 638993851 is 638993851. Since it has a total of 1 prime factors.

Most popular turbo-numbers

7, 1, 62, 32, 264, 709, 2587, 1296, 21763, 87751, 365289, 794192, 8086370, 481529, 67054515, 1858470, 578239697, 29607325, 4968975982, 8744865020

Basic calculations (n = 638993851)

Multiplication

n×y
n×2 1277987702
n×3 1916981553
n×4 2555975404
n×5 3194969255

Division

n÷y
n÷2 319496925.5
n÷3 212997950.33333
n÷3 159748462.75
n÷5 127798770.2

Exponentiation

ny
n2 408313141615810201
n3 2.6090958677499E+26
n4 1.6671962161617E+35
n5 1.0653281305378E+44

Nth Root

y√n
2√n 25278.327693896
3√n 861.32203866993
4√n 158.9915962996
5√n 57.689840177037

Divisors of 638993851

1, 638993851

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 638993852
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 319496926
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 25278.327713676
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999999968701
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 638993851 can be divided by 2 positive divisors. The sum of these divisors (counting 638993851) is 638993852, the average is 319496926.

Base conversion 638993851

Base System Value
2 Binary 100110000101100100010110111011
3 Ternary 1122112101020202221
4 Quaternary 212011210112323
5 Quinary 2302040300401
6 Senary 143223504511
8 Octal 4605442673
10 Decimal 638993851
12 Duodecimal 159bb8137
16 Hexadecimal 261645bb
20 Vigesimal 9jde4cb
36 Base36 akfut7

Cryptographic Hash Functions

md5 c58ae534b340104dda8a625ef2cb5a28
sha1 bb024509ffa75071b442b1d8dff331e3a3d7ccdb
sha256 314f5af951c6e5d6ad3dbcec7b8a27fb768dcf51403dcc3b35f37ad071a9c583
sha512 55600c34601a000b3f5d02ee28894401d1a7e65c55d9c3612bd6206273b7416a0aeaca05a60e518777bca18a4568b1a7e3c76147abeb27b5ff595ba123fc79df
ripemd-160 af352382ae015588802d2aed3ddbaa3fcacdf8e8

638993851 as geometric shapes

Circle

Radius = n
Diameter 1277987702
Circumference 4014916775.9813
Area 1.2827535660644E+18

Sphere

Radius = n
Volume 1.092895521418E+27
Surface area 5.1310142642576E+18
Circumference 4014916775.9813

Square

Length = n
Perimeter 2555975404
Area 408313141615810201
Diagonal 903673770.35721

Cube

Length = n
Surface area 2449878849694861206
Volume 2.6090958677499E+26
Space diagonal 1106769815.6561

Equilateral Triangle

Length = n
Perimeter 1916981553
Area 1.7680477666916E+17
Altitude 553384907.82805

Triangular Pyramid

Length = n
Surface area 1.7680477666916E+17
Volume 3.0748489680863E+25
Height 301224590.11907