20121639 (number)

20121639 is an odd 8-digits composite number following 20121638 and preceding 20121640. In scientific notation, it is written as 2.0121639 × 10^7. The sum of its digits is 24. It has a total of 3 prime factors and 8 positive divisors. There are 13403520 positive integers (up to 20121639) that are relatively prime to 20121639.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0121639 × 10^7
Engineering notation 2.0121639 × 10^6

Prime Factorization of 20121639

Prime Factorization 3 × 3581 × 1873

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20121639
Product of the distinct prime numbers

The prime factorization of 20121639 is 3 × 3581 × 1873. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20121639)

Multiplication

n×y
n×2 40243278
n×3 60364917
n×4 80486556
n×5 100608195

Division

n÷y
n÷2 10060819.5
n÷3 6707213
n÷3 5030409.75
n÷5 4024327.8

Exponentiation

ny
n2 404880356046321
n3 8.1468563625555E+21
n4 1.639281027122E+29
n5 3.2985021047297E+36

Nth Root

y√n
2√n 4485.7149931756
3√n 271.99094819214
4√n 66.975480537101
5√n 28.889010758161

Divisors of 20121639

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 -20121638
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 20121639 can be divided by 8 positive divisors. The sum of these divisors (counting 20121639) is 1, the average is 0.125.

Base conversion 20121639

Base System Value
2 Binary 1001100110000100000100111
3 Ternary 1101212021200220
4 Quaternary 1030300200213
5 Quinary 20122343024
6 Senary 1555135423
8 Octal 114604047
10 Decimal 20121639
12 Duodecimal 68a4573
16 Hexadecimal 1330827
20 Vigesimal 65f41j
36 Base36 bz9yf

Cryptographic Hash Functions

md5 6186883aeee873620e362a9a9b34e463
sha1 135241b79bc6394d31de409783f2f4bf743ea75d
sha256 ef8364d4a131a384f242c6f9676188c90ae1f613f8391b81dd027175d4847086
sha512 7d5705b7e733e9467b1d8d0136a5a2e115c32def5b9efc572ce4f9b2e62036261dd982274b34c9511d7fcbef68e3a38e98712c1f8be653413bce4fc0f09e5ee1
ripemd-160 58e44801c89af515f32d6bbd240f5df11122d787

20121639 as geometric shapes

Circle

Radius = n
Diameter 40243278
Circumference 126427986.52117
Area 1.2719691521379E+15

Sphere

Radius = n
Volume 3.4125472131274E+22
Surface area 5.0878766085518E+15
Circumference 126427986.52117

Square

Length = n
Perimeter 80486556
Area 404880356046321
Diagonal 28456294.770975

Cube

Length = n
Surface area 2429282136277926
Volume 8.1468563625555E+21
Space diagonal 34851701.079559

Equilateral Triangle

Length = n
Perimeter 60364917
Area 1.753183369147E+14
Altitude 17425850.53978

Triangular Pyramid

Length = n
Surface area 1.753183369147E+14
Volume 9.6011622988597E+20
Height 9485431.5903251