638828901 (number)

638828901 is an odd 9-digits composite number following 638828900 and preceding 638828902. In scientific notation, it is written as 6.38828901 × 10^8. The sum of its digits is 45. It has a total of 2 prime factors and 4 positive divisors. There are 425885928 positive integers (up to 638828901) that are relatively prime to 638828901.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 6.38828901 × 10^8
Engineering notation 6.38828901 × 10^6

Prime Factorization of 638828901

Prime Factorization 9 × 70980989

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 638828901
Product of the distinct prime numbers

The prime factorization of 638828901 is 9 × 70980989. Since it has a total of 2 prime factors.

Most popular turbo-numbers

3, 1, 36, 26, 699, 106, 1859, 8644, 92657, 74426, 488024, 3771, 5505088, 9726733, 24592790, 97310455, 240642361, 143042706, 1298190936, 858203513

Basic calculations (n = 638828901)

Multiplication

n×y
n×2 1277657802
n×3 1916486703
n×4 2555315604
n×5 3194144505

Division

n÷y
n÷2 319414450.5
n÷3 212942967
n÷3 159707225.25
n÷5 127765780.2

Exponentiation

ny
n2 408102364752867801
n3 2.6070758517058E+26
n4 1.6654754011688E+35
n5 1.0639538201712E+44

Nth Root

y√n
2√n 25275.064807039
3√n 861.2479183442
4√n 158.98133477562
5√n 57.686861456083

Divisors of 638828901

1, 9, 70980989, 638828901

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 -638828900
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 638828901 can be divided by 4 positive divisors. The sum of these divisors (counting 638828901) is 1, the average is 0.25.

Base conversion 638828901

Base System Value
2 Binary 100110000100111100000101100101
3 Ternary 1122112001212111200
4 Quaternary 212010330011211
5 Quinary 2302020011101
6 Senary 143220153113
8 Octal 4604740545
10 Decimal 638828901
12 Duodecimal 159b38799
16 Hexadecimal 2613c165
20 Vigesimal 9jcdc51
36 Base36 akcbj9

Cryptographic Hash Functions

md5 27e817c9e56730c57ccc435199144083
sha1 95a93a64918754b386e5fabab53f080e601ea0de
sha256 f05385b1acdbf9ba666df8258ef73ffd3b04fc3a39419a1e795ab1f7f65603c0
sha512 9a4f1c603e63990ab22f9a624001c778f9f6b1ab5f25192ed1c99e2f39c688f2a1cb472a4b42c8d987414fc16aa54c9d9366882264a7528faedd240437771fac
ripemd-160 8986c6502366dd4b394db52d4e57506b48ff7c42

638828901 as geometric shapes

Circle

Radius = n
Diameter 1277657802
Circumference 4013880364.5649
Area 1.2820913910202E+18

Sphere

Radius = n
Volume 1.092049379076E+27
Surface area 5.1283655640809E+18
Circumference 4013880364.5649

Square

Length = n
Perimeter 2555315604
Area 408102364752867801
Diagonal 903440495.8301

Cube

Length = n
Surface area 2448614188517206806
Volume 2.6070758517058E+26
Space diagonal 1106484113.8754

Equilateral Triangle

Length = n
Perimeter 1916486703
Area 1.7671350761024E+17
Altitude 553242056.93769

Triangular Pyramid

Length = n
Surface area 1.7671350761024E+17
Volume 3.0724683563481E+25
Height 301146831.94337