20130991 (number)

20130991 is an odd 8-digits composite number following 20130990 and preceding 20130992. In scientific notation, it is written as 2.0130991 × 10^7. The sum of its digits is 25. It has a total of 2 prime factors and 4 positive divisors. There are 19855152 positive integers (up to 20130991) that are relatively prime to 20130991.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0130991 × 10^7
Engineering notation 2.0130991 × 10^6

Prime Factorization of 20130991

Prime Factorization 73 × 275767

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20130991
Product of the distinct prime numbers

The prime factorization of 20130991 is 73 × 275767. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20130991)

Multiplication

n×y
n×2 40261982
n×3 60392973
n×4 80523964
n×5 100654955

Division

n÷y
n÷2 10065495.5
n÷3 6710330.3333333
n÷3 5032747.75
n÷5 4026198.2

Exponentiation

ny
n2 405256798642081
n3 8.1582209661525E+21
n4 1.6423307284563E+29
n5 3.3061745113577E+36

Nth Root

y√n
2√n 4486.7572922992
3√n 272.03307970661
4√n 66.983261284437
5√n 28.891695627077

Divisors of 20130991

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20130990
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20130991 can be divided by 4 positive divisors. The sum of these divisors (counting 20130991) is 1, the average is 0.25.

Base conversion 20130991

Base System Value
2 Binary 1001100110010110010101111
3 Ternary 1101212202112021
4 Quaternary 1030302302233
5 Quinary 20123142431
6 Senary 1555251011
8 Octal 114626257
10 Decimal 20130991
12 Duodecimal 68a9a67
16 Hexadecimal 1332caf
20 Vigesimal 65g79b
36 Base36 bzh67

Cryptographic Hash Functions

md5 8a80163d5acfdecd914e38d27b8e2f9e
sha1 101daf0484cd156470d868019106454a5e9a5a23
sha256 5097425b66514376f2593c7b1e4257a50086dcd8422a9d3e589d76aef311dd80
sha512 c5406e6de91e197420dcbb0f1eecdc1304ca361822566f206417a05196e569c0aecfecca12fa66399f4060abcc907413082f4aef7867dcc861d7f2eb630a3e7f
ripemd-160 bb1d4609298f5d8ec704ec02175e3b5cacd39325

20130991 as geometric shapes

Circle

Radius = n
Diameter 40261982
Circumference 126486746.87016
Area 1.2731517814313E+15

Sphere

Radius = n
Volume 3.4173076071503E+22
Surface area 5.0926071257251E+15
Circumference 126486746.87016

Square

Length = n
Perimeter 80523964
Area 405256798642081
Diagonal 28469520.496211

Cube

Length = n
Surface area 2431540791852486
Volume 8.1582209661525E+21
Space diagonal 34867899.218712

Equilateral Triangle

Length = n
Perimeter 60392973
Area 1.754813413402E+14
Altitude 17433949.609356

Triangular Pyramid

Length = n
Surface area 1.754813413402E+14
Volume 9.6145556126412E+20
Height 9489840.1654036