638992071 (number)

638992071 is an odd 9-digits composite number following 638992070 and preceding 638992072. In scientific notation, it is written as 6.38992071 × 10^8. The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors. There are 425139840 positive integers (up to 638992071) that are relatively prime to 638992071.

Interesting facts

Basic properties

Name

Name six hundred thirty-eight million nine hundred ninety-two thousand seventy-one

Notation

Scientific notation 6.38992071 × 10^8
Engineering notation 6.38992071 × 10^6

Prime Factorization of 638992071

Prime Factorization 81 × 3 × 557 × 4721

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 638992071
Product of the distinct prime numbers

The prime factorization of 638992071 is 81 × 3 × 557 × 4721. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 6, 18, 89, 84, 933, 4094, 1340, 89117, 33946, 45454, 802759, 8830524, 6679495, 71112557, 19208669, 65003392, 253001652, 339936552, 2684183724

Basic calculations (n = 638992071)

Multiplication

n×y
n×2 1277984142
n×3 1916976213
n×4 2555968284
n×5 3194960355

Division

n÷y
n÷2 319496035.5
n÷3 212997357
n÷3 159748017.75
n÷5 127798414.2

Exponentiation

ny
n2 408310866800869041
n3 2.6090740638889E+26
n4 1.6671776394768E+35
n5 1.0653132925742E+44

Nth Root

y√n
2√n 25278.292485846
3√n 861.32123889455
4√n 158.99148557658
5√n 57.6898080365

Divisors of 638992071

1, 3, 81, 243, 557, 1671, 4721, 14163, 45117, 135351, 382401, 1147203, 2629597, 7888791, 212997357, 638992071

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 -638992070
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 638992071 can be divided by 16 positive divisors. The sum of these divisors (counting 638992071) is 1, the average is 0.0625.

Base conversion 638992071

Base System Value
2 Binary 100110000101100011111011000111
3 Ternary 1122112101011100000
4 Quaternary 212011203323013
5 Quinary 2302040221241
6 Senary 143223452343
8 Octal 4605437307
10 Decimal 638992071
12 Duodecimal 159bb70b3
16 Hexadecimal 26163ec7
20 Vigesimal 9jde03b
36 Base36 akftfr

Cryptographic Hash Functions

md5 73684e4a7e3a791730cddf271df23f50
sha1 13406039d09aa55f83949c9f33724a396bd3d9d6
sha256 6fd93b54fde675c6bced763353963807ad7aaff2951aa9a55b0a488d5909aa0a
sha512 579fa0be47e138ac973a0c2cf8748a30572af289a0fab09b669c6ad2e2343b661a88c96532b17ec7fb9435b58dc93b8237a382b15fc9ead73e3c3fea7a23f75d
ripemd-160 25ffa95b4516a1d9d1bf0c162971f6fb6ea09ebc

638992071 as geometric shapes

Circle

Radius = n
Diameter 1277984142
Circumference 4014905591.9115
Area 1.2827464195225E+18

Sphere

Radius = n
Volume 1.092886388238E+27
Surface area 5.13098567809E+18
Circumference 4014905591.9115

Square

Length = n
Perimeter 2555968284
Area 408310866800869041
Diagonal 903671253.05707

Cube

Length = n
Surface area 2449865200805214246
Volume 2.6090740638889E+26
Space diagonal 1106766732.6057

Equilateral Triangle

Length = n
Perimeter 1916976213
Area 1.768037916454E+17
Altitude 553383366.30283

Triangular Pyramid

Length = n
Surface area 1.768037916454E+17
Volume 3.0748232719897E+25
Height 301223751.01902