20120990 (number)

20120990 is an even 8-digits composite number following 20120989 and preceding 20120991. In scientific notation, it is written as 2.0120990 × 10^7. The sum of its digits is 23. It has a total of 4 prime factors and 16 positive divisors. There are 7741440 positive integers (up to 20120990) that are relatively prime to 20120990.

Interesting facts

Basic properties

Name

Name twenty million one hundred twenty thousand nine hundred ninety

Notation

Scientific notation 2.0120990 × 10^7
Engineering notation 2.0120990 × 10^6

Prime Factorization of 20120990

Prime Factorization 2 × 215 × 73 × 641

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20120990
Product of the distinct prime numbers

The prime factorization of 20120990 is 2 × 215 × 73 × 641. Since it has a total of 4 prime factors.

Most popular turbo-numbers

10, 7, 30, 96, 509, 49, 1810, 1227, 28794, 91230, 899575, 882936, 7632813, 51432, 45749587, 27056994, 953949952, 579178029, 8779323240, 6119374279

Basic calculations (n = 20120990)

Multiplication

n×y
n×2 40241980
n×3 60362970
n×4 80483960
n×5 100604950

Division

n÷y
n÷2 10060495
n÷3 6706996.6666667
n÷3 5030247.5
n÷5 4024198

Exponentiation

ny
n2 404854238580100
n3 8.1460680859278E+21
n4 1.6390695449627E+29
n5 3.29797019235E+36

Nth Root

y√n
2√n 4485.6426518393
3√n 271.98802391042
4√n 66.974940476564
5√n 28.888824399486

Divisors of 20120990

1, 2, 73, 146, 215, 430, 641, 1282, 15695, 31390, 46793, 93586, 137815, 275630, 10060495, 20120990

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20120989
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20120990 can be divided by 16 positive divisors. The sum of these divisors (counting 20120990) is 1, the average is 0.0625.

Base conversion 20120990

Base System Value
2 Binary 1001100110000010110011110
3 Ternary 1101212020210212
4 Quaternary 1030300112132
5 Quinary 20122332430
6 Senary 1555132422
8 Octal 114602636
10 Decimal 20120990
12 Duodecimal 68a4112
16 Hexadecimal 133059e
20 Vigesimal 65f29a
36 Base36 bz9ge

Cryptographic Hash Functions

md5 5c69ac4dbf6f9cc94929d255d6f19187
sha1 51a1f420d30f4fede964859b1faac5df14e81cd7
sha256 166260e403a2c4ac2689a74c77fd4750e6281ab1a0089724c11a419ea861b813
sha512 86c4ede598693abffa7b9f4d918ea696f6279a3895cc13e4c7e2b1e62049e7bf6e151d8d62e5dca19a5286fe677f1843bf78dcbdda1f23fef936d53991bf2e90
ripemd-160 69dbc592d9a42f21860ee926360dbd237961f677

20120990 as geometric shapes

Circle

Radius = n
Diameter 40241980
Circumference 126423908.73391
Area 1.2718871016979E+15

Sphere

Radius = n
Volume 3.4122170205857E+22
Surface area 5.0875484067917E+15
Circumference 126423908.73391

Square

Length = n
Perimeter 80483960
Area 404854238580100
Diagonal 28455376.946373

Cube

Length = n
Surface area 2429125431480600
Volume 8.1460680859278E+21
Space diagonal 34850576.978585

Equilateral Triangle

Length = n
Perimeter 60362970
Area 1.7530702772009E+14
Altitude 17425288.489293

Triangular Pyramid

Length = n
Surface area 1.7530702772009E+14
Volume 9.6002333059448E+20
Height 9485125.6487911