20807988 (number)

20807988 is an even 8-digits composite number following 20807987 and preceding 20807989. In scientific notation, it is written as 2.0807988 × 10^7. The sum of its digits is 42. It has a total of 4 prime factors and 12 positive divisors. There are 6935992 positive integers (up to 20807988) that are relatively prime to 20807988.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0807988 × 10^7
Engineering notation 2.0807988 × 10^6

Prime Factorization of 20807988

Prime Factorization 2 × 2 × 3 × 1733999

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10403994
Product of the distinct prime numbers

The prime factorization of 20807988 is 2 × 2 × 3 × 1733999. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 5, 95, 64, 337, 905, 7514, 7184, 64551, 85404, 420003, 30510, 1146734, 3556392, 97382818, 7953743, 96894101, 15976102, 548577047, 14237059

Basic calculations (n = 20807988)

Multiplication

n×y
n×2 41615976
n×3 62423964
n×4 83231952
n×5 104039940

Division

n÷y
n÷2 10403994
n÷3 6935996
n÷3 5201997
n÷5 4161597.6

Exponentiation

ny
n2 432972364608144
n3 9.0092837670979E+21
n4 1.8746506851437E+29
n5 3.9007708960661E+36

Nth Root

y√n
2√n 4561.5773587653
3√n 275.04897419788
4√n 67.539450388386
5√n 29.083456340604

Divisors of 20807988

1, 2, 3, 4, 6, 12, 1733999, 3467998, 5201997, 6935996, 10403994, 20807988

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20807987
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20807988 can be divided by 12 positive divisors. The sum of these divisors (counting 20807988) is 1, the average is 0.083333333333333.

Base conversion 20807988

Base System Value
2 Binary 1001111011000000100110100
3 Ternary 1110011011012020
4 Quaternary 1033120010310
5 Quinary 20311323423
6 Senary 2021553140
8 Octal 117300464
10 Decimal 20807988
12 Duodecimal 6b757b0
16 Hexadecimal 13d8134
20 Vigesimal 6a0jj8
36 Base36 cdzjo

Cryptographic Hash Functions

md5 01a3ece3de2c4585893ce8700a29957e
sha1 4a94b552b9ce5e9ace72a9541e67d257ce3f87e6
sha256 b00432cc28434fdae8583d55b673699a674140172ce16bd424bbf63b28e580b7
sha512 3c6674d51f284ef93649074a879c6f5533d1caddd67420a897a65898b77334b2c6aa54f12f88f391ccae446d566f715e3862c80a3390fd6d175ed48a67fcc6da
ripemd-160 5b0e6d4c43cf520e7322e7234f102f38f606c71d

20807988 as geometric shapes

Circle

Radius = n
Diameter 41615976
Circumference 130740444.47357
Area 1.3602227998603E+15

Sphere

Radius = n
Volume 3.7737999595761E+22
Surface area 5.4408911994414E+15
Circumference 130740444.47357

Square

Length = n
Perimeter 83231952
Area 432972364608144
Diagonal 29426938.835297

Cube

Length = n
Surface area 2597834187648864
Volume 9.0092837670979E+21
Space diagonal 36040492.419284

Equilateral Triangle

Length = n
Perimeter 62423964
Area 1.8748253344364E+14
Altitude 18020246.209642

Triangular Pyramid

Length = n
Surface area 1.8748253344364E+14
Volume 1.0617542742248E+21
Height 9808979.6117655