20123991 (number)

20123991 is an odd 8-digits composite number following 20123990 and preceding 20123992. In scientific notation, it is written as 2.0123991 × 10^7. The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors. There are 12982680 positive integers (up to 20123991) that are relatively prime to 20123991.

Interesting facts

Basic properties

Name

Name twenty million one hundred twenty-three thousand nine hundred ninety-one

Notation

Scientific notation 2.0123991 × 10^7
Engineering notation 2.0123991 × 10^6

Prime Factorization of 20123991

Prime Factorization 3 × 9 × 31 × 24043

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20123991
Product of the distinct prime numbers

The prime factorization of 20123991 is 3 × 9 × 31 × 24043. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 3, 47, 85, 370, 263, 9981, 2060, 9959, 16857, 787733, 401355, 2359998, 9654938, 50072532, 25054270, 55722846, 123837139, 437675107, 673028169

Basic calculations (n = 20123991)

Multiplication

n×y
n×2 40247982
n×3 60371973
n×4 80495964
n×5 100619955

Division

n÷y
n÷2 10061995.5
n÷3 6707997
n÷3 5030997.75
n÷5 4024798.2

Exponentiation

ny
n2 404975013768081
n3 8.1497135322937E+21
n4 1.6400476177646E+29
n5 3.3004303499466E+36

Nth Root

y√n
2√n 4485.9771510787
3√n 272.0015453704
4√n 66.977437627
5√n 28.889686088601

Divisors of 20123991

1, 3, 9, 27, 31, 93, 279, 837, 24043, 72129, 216387, 649161, 745333, 2235999, 6707997, 20123991

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 -20123990
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 20123991 can be divided by 16 positive divisors. The sum of these divisors (counting 20123991) is 1, the average is 0.0625.

Base conversion 20123991

Base System Value
2 Binary 1001100110001000101010111
3 Ternary 1101212101221000
4 Quaternary 1030301011113
5 Quinary 20122431431
6 Senary 1555154343
8 Octal 114610527
10 Decimal 20123991
12 Duodecimal 68a59b3
16 Hexadecimal 1331157
20 Vigesimal 65f9jb
36 Base36 bzbrr

Cryptographic Hash Functions

md5 8c566782bab91f0fe293b18858ba4ecc
sha1 b7657d11cc2cc7f3811ee9813ba1844fd5b3958e
sha256 759894fb26cc5d670d5545aa321772a410202b03bd4d1117c0f09963e74d318a
sha512 a374cb043ce30a76e9549e1de57dca6122e5344920d4471b4eba71b142bc6be6bf8450f501e5f574640b2c6bf2418f289f640c5e83f1fc9eb26e50481264c2e9
ripemd-160 9f78f4e038dbba2f9754b15b7a207341f7a85502

20123991 as geometric shapes

Circle

Radius = n
Diameter 40247982
Circumference 126442764.57301
Area 1.2722665281412E+15

Sphere

Radius = n
Volume 3.4137440215887E+22
Surface area 5.0890661125649E+15
Circumference 126442764.57301

Square

Length = n
Perimeter 80495964
Area 404975013768081
Diagonal 28459621.001274

Cube

Length = n
Surface area 2429850082608486
Volume 8.1497135322937E+21
Space diagonal 34855774.863059

Equilateral Triangle

Length = n
Perimeter 60371973
Area 1.7535932491056E+14
Altitude 17427887.431529

Triangular Pyramid

Length = n
Surface area 1.7535932491056E+14
Volume 9.6045295056878E+20
Height 9486540.333758