638520091 (number)

638520091 is an odd 9-digits composite number following 638520090 and preceding 638520092. In scientific notation, it is written as 6.38520091 × 10^8. The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors. There are 580472800 positive integers (up to 638520091) that are relatively prime to 638520091.

Interesting facts

Basic properties

Name

Name six hundred thirty-eight million five hundred twenty thousand ninety-one

Notation

Scientific notation 6.38520091 × 10^8
Engineering notation 6.38520091 × 10^6

Prime Factorization of 638520091

Prime Factorization 11 × 58047281

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 638520091
Product of the distinct prime numbers

The prime factorization of 638520091 is 11 × 58047281. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 638520091)

Multiplication

n×y
n×2 1277040182
n×3 1915560273
n×4 2554080364
n×5 3192600455

Division

n÷y
n÷2 319260045.5
n÷3 212840030.33333
n÷3 159630022.75
n÷5 127704018.2

Exponentiation

ny
n2 407707906610648281
n3 2.6032968963045E+26
n4 1.6622573711284E+35
n5 1.0613847278783E+44

Nth Root

y√n
2√n 25268.955083264
3√n 861.10912017977
4√n 158.96211839072
5√n 57.68128320963

Divisors of 638520091

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 -638520090
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 638520091 can be divided by 4 positive divisors. The sum of these divisors (counting 638520091) is 1, the average is 0.25.

Base conversion 638520091

Base System Value
2 Binary 100110000011110000101100011011
3 Ternary 1122111111011220021
4 Quaternary 212003300230123
5 Quinary 2301430120331
6 Senary 143205411311
8 Octal 4603605433
10 Decimal 638520091
12 Duodecimal 159a09b37
16 Hexadecimal 260f0b1b
20 Vigesimal 9jaf04b
36 Base36 ak5p97

Cryptographic Hash Functions

md5 97db0cf11d5960317aaa390dd9658ed2
sha1 a2f01dcadcb761476fdbd87f36b9d6ddbfb4c29c
sha256 c15b9b4fbd0a25ac21cdc9886545884f3f6e0a497abce7042ab55f122beba358
sha512 558088e301cf9d2b7e678701c4e6882246d9e08bbc3e577b80e3fad556a98b4ac3426293b780a17b73345f203714a774feb4072301694e496c8ea57d544ef6d3
ripemd-160 84474c63a226b80bfa50f81b514c6affe1781c29

638520091 as geometric shapes

Circle

Radius = n
Diameter 1277040182
Circumference 4011940054.1102
Area 1.2808521642185E+18

Sphere

Radius = n
Volume 1.0904664539391E+27
Surface area 5.1234086568739E+18
Circumference 4011940054.1102

Square

Length = n
Perimeter 2554080364
Area 407707906610648281
Diagonal 903003772.5399

Cube

Length = n
Surface area 2446247439663889686
Volume 2.6032968963045E+26
Space diagonal 1105949239.2655

Equilateral Triangle

Length = n
Perimeter 1915560273
Area 1.765427022243E+17
Altitude 552974619.63275

Triangular Pyramid

Length = n
Surface area 1.765427022243E+17
Volume 3.068014814698E+25
Height 301001257.5133