20409991 (number)

20409991 is an odd 8-digits composite number following 20409990 and preceding 20409992. In scientific notation, it is written as 2.0409991 × 10^7. The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors. There are 17494272 positive integers (up to 20409991) that are relatively prime to 20409991.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0409991 × 10^7
Engineering notation 2.0409991 × 10^6

Prime Factorization of 20409991

Prime Factorization 7 × 2915713

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20409991
Product of the distinct prime numbers

The prime factorization of 20409991 is 7 × 2915713. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20409991)

Multiplication

n×y
n×2 40819982
n×3 61229973
n×4 81639964
n×5 102049955

Division

n÷y
n÷2 10204995.5
n÷3 6803330.3333333
n÷3 5102497.75
n÷5 4081998.2

Exponentiation

ny
n2 416567732620081
n3 8.5021436736663E+21
n4 1.7352867586024E+29
n5 3.5417187125493E+36

Nth Root

y√n
2√n 4517.7418031579
3√n 273.28404111461
4√n 67.21414883161
5√n 28.97133864725

Divisors of 20409991

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 -20409990
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 20409991 can be divided by 4 positive divisors. The sum of these divisors (counting 20409991) is 1, the average is 0.25.

Base conversion 20409991

Base System Value
2 Binary 1001101110110111010000111
3 Ternary 1102101221020121
4 Quaternary 1031312322013
5 Quinary 20211104431
6 Senary 2005242411
8 Octal 115667207
10 Decimal 20409991
12 Duodecimal 6a03407
16 Hexadecimal 1376e87
20 Vigesimal 67b4jb
36 Base36 c5gg7

Cryptographic Hash Functions

md5 f91e0b1132d08f86999c7414f577fb40
sha1 827e880623f6dd5e5bd51e9a06f5950ce3b852f9
sha256 7583a8977f11887759c4d4bac5c60199f411273b66bd5a88198c7c3fe241c1e1
sha512 df5e89c50acc093170646894fa78af98b672ed26412ca0b06c0f8fbb34d0dd54050833b285490420a81f0e249618fcbd5b3984ddb2bae3067e04a734605344dd
ripemd-160 48a00305cd4d7ebb65fc996304d69bd06a55d478

20409991 as geometric shapes

Circle

Radius = n
Diameter 40819982
Circumference 128239755.57087
Area 1.3086861285218E+15

Sphere

Radius = n
Volume 3.561369613994E+22
Surface area 5.2347445140872E+15
Circumference 128239755.57087

Square

Length = n
Perimeter 81639964
Area 416567732620081
Diagonal 28864086.080113

Cube

Length = n
Surface area 2499406395720486
Volume 8.5021436736663E+21
Space diagonal 35351141.394024

Equilateral Triangle

Length = n
Perimeter 61229973
Area 1.8037911942294E+14
Altitude 17675570.697012

Triangular Pyramid

Length = n
Surface area 1.8037911942294E+14
Volume 1.0019872410453E+21
Height 9621362.0267043