20971639 (number)

20971639 is an odd 8-digits composite number following 20971638 and preceding 20971640. In scientific notation, it is written as 2.0971639 × 10^7. The sum of its digits is 37. It has a total of 3 prime factors and 8 positive divisors. There are 19298496 positive integers (up to 20971639) that are relatively prime to 20971639.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0971639 × 10^7
Engineering notation 2.0971639 × 10^6

Prime Factorization of 20971639

Prime Factorization 13 × 347 × 4649

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20971639
Product of the distinct prime numbers

The prime factorization of 20971639 is 13 × 347 × 4649. Since it has a total of 3 prime factors.

Most popular turbo-numbers

9, 2, 100, 58, 798, 373, 5130, 2628, 36417, 31818, 778214, 597287, 6259892, 4679402, 80017594, 60434092, 175397701, 307573919, 2612016689, 6034558162

Basic calculations (n = 20971639)

Multiplication

n×y
n×2 41943278
n×3 62914917
n×4 83886556
n×5 104858195

Division

n÷y
n÷2 10485819.5
n÷3 6990546.3333333
n÷3 5242909.75
n÷5 4194327.8

Exponentiation

ny
n2 439809642346321
n3 9.2235290480062E+21
n4 1.934325215008E+29
n5 4.0565970117745E+36

Nth Root

y√n
2√n 4579.4802106789
3√n 275.76816192492
4√n 67.671856858512
5√n 29.129060306072

Divisors of 20971639

1, 13, 347, 4511, 4649, 60437, 1613203, 20971639

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20971638
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20971639 can be divided by 8 positive divisors. The sum of these divisors (counting 20971639) is 1, the average is 0.125.

Base conversion 20971639

Base System Value
2 Binary 1010000000000000001110111
3 Ternary 1110110110200101
4 Quaternary 1100000001313
5 Quinary 20332043024
6 Senary 2025254531
8 Octal 120000167
10 Decimal 20971639
12 Duodecimal 7034447
16 Hexadecimal 1400077
20 Vigesimal 6b191j
36 Base36 chhtj

Cryptographic Hash Functions

md5 fd10ace34a6f3e211da300d0ae8833f8
sha1 a13a54ab6df00de05fa4aaf682ddb7250e375169
sha256 1feb0784e4d61fb6fdc515c391f0b0bf8ac637e80f227a35045c42ad123e0cb6
sha512 0f9c70758a7b6800930b0e110b569b327cd838ea4926c92a2b52aa298fac0edc78009bd0fe3e5970d6ccccdd11e886ee3370171516d3cb7c605f02625508e6a1
ripemd-160 7efcd82158e90cf4587f4cc2296bf0aa6387b697

20971639 as geometric shapes

Circle

Radius = n
Diameter 41943278
Circumference 131768694.03227
Area 1.3817027413732E+15

Sphere

Radius = n
Volume 3.8635428129851E+22
Surface area 5.5268109654926E+15
Circumference 131768694.03227

Square

Length = n
Perimeter 83886556
Area 439809642346321
Diagonal 29658376.298993

Cube

Length = n
Surface area 2638857854077926
Volume 9.2235290480062E+21
Space diagonal 36323944.265993

Equilateral Triangle

Length = n
Perimeter 62914917
Area 1.9044316155063E+14
Altitude 18161972.132996

Triangular Pyramid

Length = n
Surface area 1.9044316155063E+14
Volume 1.0870033227194E+21
Height 9886125.4329975