20804988 (number)

20804988 is an even 8-digits composite number following 20804987 and preceding 20804989. In scientific notation, it is written as 2.0804988 × 10^7. The sum of its digits is 39. It has a total of 5 prime factors and 24 positive divisors. There are 6837040 positive integers (up to 20804988) that are relatively prime to 20804988.

Interesting facts

Basic properties

Name

Name twenty million eight hundred four thousand nine hundred eighty-eight

Notation

Scientific notation 2.0804988 × 10^7
Engineering notation 2.0804988 × 10^6

Prime Factorization of 20804988

Prime Factorization 2 × 2 × 3 × 71 × 24419

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10402494
Product of the distinct prime numbers

The prime factorization of 20804988 is 2 × 2 × 3 × 71 × 24419. Since it has a total of 5 prime factors.

Most popular turbo-numbers

7, 1, 36, 11, 782, 511, 4239, 6619, 43879, 58721, 403380, 749979, 8618675, 1855336, 85962540, 36086623, 842252096, 109502548, 1516245308, 497007300

Basic calculations (n = 20804988)

Multiplication

n×y
n×2 41609976
n×3 62414964
n×4 83219952
n×5 104024940

Division

n÷y
n÷2 10402494
n÷3 6934996
n÷3 5201247
n÷5 4160997.6

Exponentiation

ny
n2 432847525680144
n3 9.0053875776051E+21
n4 1.8735698048742E+29
n5 3.8979597307571E+36

Nth Root

y√n
2√n 4561.2485132911
3√n 275.03575513058
4√n 67.537015874934
5√n 29.082617668444

Divisors of 20804988

1, 2, 3, 4, 6, 12, 71, 142, 213, 284, 426, 852, 24419, 48838, 73257, 97676, 146514, 293028, 1733749, 3467498, 5201247, 6934996, 10402494, 20804988

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20804987
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20804988 can be divided by 24 positive divisors. The sum of these divisors (counting 20804988) is 1, the average is 0.041666666666667.

Base conversion 20804988

Base System Value
2 Binary 1001111010111010101111100
3 Ternary 1110011000002010
4 Quaternary 1033113111330
5 Quinary 20311224423
6 Senary 2021531220
8 Octal 117272574
10 Decimal 20804988
12 Duodecimal 6b73b10
16 Hexadecimal 13d757c
20 Vigesimal 6a0c98
36 Base36 cdx8c

Cryptographic Hash Functions

md5 d6e52effb95495ac79d8cf6808b01e46
sha1 d324adb64caccd0f4a1ef58ebe1c8a3603eaa39b
sha256 5b73f7867f464ef9fb3b43a7c998ff88719862e5be77f2368e503de1216c5377
sha512 456a6ea6181b0a9886970a9bc9ef2301f6b90572594afbfaa44517cd0269d0167346e5158b4d945a8b0b159ee531dd0f82c0f7206f75859279f1653a9d3c3342
ripemd-160 9e9e54d2aec66739d7451e241b8d82ce4b10b92a

20804988 as geometric shapes

Circle

Radius = n
Diameter 41609976
Circumference 130721594.91765
Area 1.3598306068013E+15

Sphere

Radius = n
Volume 3.7721679275377E+22
Surface area 5.439322427205E+15
Circumference 130721594.91765

Square

Length = n
Perimeter 83219952
Area 432847525680144
Diagonal 29422696.194609

Cube

Length = n
Surface area 2597085154080864
Volume 9.0053875776051E+21
Space diagonal 36035296.266861

Equilateral Triangle

Length = n
Perimeter 62414964
Area 1.8742847660212E+14
Altitude 18017648.13343

Triangular Pyramid

Length = n
Surface area 1.8742847660212E+14
Volume 1.0612951038896E+21
Height 9807565.3982032