20390988 (number)

20390988 is an even 8-digits composite number following 20390987 and preceding 20390989. In scientific notation, it is written as 2.0390988 × 10^7. The sum of its digits is 39. It has a total of 4 prime factors and 12 positive divisors. There are 6796992 positive integers (up to 20390988) that are relatively prime to 20390988.

Interesting facts

Basic properties

Name

Name twenty million three hundred ninety thousand nine hundred eighty-eight

Notation

Scientific notation 2.0390988 × 10^7
Engineering notation 2.0390988 × 10^6

Prime Factorization of 20390988

Prime Factorization 2 × 2 × 3 × 1699249

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10195494
Product of the distinct prime numbers

The prime factorization of 20390988 is 2 × 2 × 3 × 1699249. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 3, 16, 5, 351, 118, 2412, 8252, 29139, 57040, 649520, 78429, 4463044, 9223176, 5399559, 4166947, 486408492, 367430212, 7171362813, 8951259135

Basic calculations (n = 20390988)

Multiplication

n×y
n×2 40781976
n×3 61172964
n×4 81563952
n×5 101954940

Division

n÷y
n÷2 10195494
n÷3 6796996
n÷3 5097747
n÷5 4078197.6

Exponentiation

ny
n2 415792391616144
n3 8.4784176679361E+21
n4 1.7288331292587E+29
n5 3.5252615592717E+36

Nth Root

y√n
2√n 4515.6381608805
3√n 273.19919983588
4√n 67.198498204056
5√n 28.965941805096

Divisors of 20390988

1, 2, 3, 4, 6, 12, 1699249, 3398498, 5097747, 6796996, 10195494, 20390988

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 -20390987
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 20390988 can be divided by 12 positive divisors. The sum of these divisors (counting 20390988) is 1, the average is 0.083333333333333.

Base conversion 20390988

Base System Value
2 Binary 1001101110010010001001100
3 Ternary 1102100222011210
4 Quaternary 1031302101030
5 Quinary 20210002423
6 Senary 2005014420
8 Octal 115622114
10 Decimal 20390988
12 Duodecimal 69b4410
16 Hexadecimal 137244c
20 Vigesimal 678h98
36 Base36 c51sc

Cryptographic Hash Functions

md5 2766a3d4a14fff0c3d773fa6d7d4c5b8
sha1 b8f54da1fe1e1ffaa67abf127cc59ba029802044
sha256 b90acbeb972c765cbdd28116de266125c742d8ed4e89917d49d82ce4946a0df4
sha512 0e716a0d60c0b9debf1252f44751f243ed92e7ebdefabba34a2ee614c4f3c593e02ecb7a8486475f304d0e790312d25f691f6a76b4b159f122284a82e706478e
ripemd-160 79fb14a9f595d839f5728d1aeb6876a413490bac

20390988 as geometric shapes

Circle

Radius = n
Diameter 40781976
Circumference 128120356.20048
Area 1.3062503229198E+15

Sphere

Radius = n
Volume 3.5514312879539E+22
Surface area 5.2250012916792E+15
Circumference 128120356.20048

Square

Length = n
Perimeter 81563952
Area 415792391616144
Diagonal 28837211.779787

Cube

Length = n
Surface area 2494754349696864
Volume 8.4784176679361E+21
Space diagonal 35318227.232527

Equilateral Triangle

Length = n
Perimeter 61172964
Area 1.8004338691993E+14
Altitude 17659113.616264

Triangular Pyramid

Length = n
Surface area 1.8004338691993E+14
Volume 9.9919110445491E+20
Height 9612403.9265957