20349987 (number)

20349987 is an odd 8-digits composite number following 20349986 and preceding 20349988. In scientific notation, it is written as 2.0349987 × 10^7. The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors. There are 11575872 positive integers (up to 20349987) that are relatively prime to 20349987.

Interesting facts

Basic properties

Name

Name twenty million three hundred forty-nine thousand nine hundred eighty-seven

Notation

Scientific notation 2.0349987 × 10^7
Engineering notation 2.0349987 × 10^6

Prime Factorization of 20349987

Prime Factorization 21 × 233 × 4159

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20349987
Product of the distinct prime numbers

The prime factorization of 20349987 is 21 × 233 × 4159. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20349987)

Multiplication

n×y
n×2 40699974
n×3 61049961
n×4 81399948
n×5 101749935

Division

n÷y
n÷2 10174993.5
n÷3 6783329
n÷3 5087496.75
n÷5 4069997.4

Exponentiation

ny
n2 414121970900169
n3 8.4273767242328E+21
n4 1.7149700678224E+29
n5 3.4899618585575E+36

Nth Root

y√n
2√n 4511.0959865647
3√n 273.01596600528
4√n 67.16469300581
5√n 28.954283822239

Divisors of 20349987

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20349986
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20349987 can be divided by 8 positive divisors. The sum of these divisors (counting 20349987) is 1, the average is 0.125.

Base conversion 20349987

Base System Value
2 Binary 1001101101000010000100011
3 Ternary 1102021212221020
4 Quaternary 1031220100203
5 Quinary 20202144422
6 Senary 2004100523
8 Octal 115502043
10 Decimal 20349987
12 Duodecimal 6994743
16 Hexadecimal 1368423
20 Vigesimal 673ej7
36 Base36 c465f

Cryptographic Hash Functions

md5 f8068dc86e1a8bfa2b27fc84e9c867f0
sha1 86108daf6fa35afa05c3afe32ab3bb1365106fb6
sha256 241c12dc0f3e7ceb43c5b81533fe46330ee778c2f45d0cd97f7b4f9386cf2516
sha512 d955f0856f1968241cd2d5f1198116cab2b59c76b059a5a5187aa8142a34db3f4a9b1efe450f4379875059087db765ec15f7243ef6c7a88311503937a856f1e0
ripemd-160 7b056ae2b2faa4b9c490cd559ebbe621d9842012

20349987 as geometric shapes

Circle

Radius = n
Diameter 40699974
Circumference 127862739.3197
Area 1.3010025414701E+15

Sphere

Radius = n
Volume 3.5300513074511E+22
Surface area 5.2040101658804E+15
Circumference 127862739.3197

Square

Length = n
Perimeter 81399948
Area 414121970900169
Diagonal 28779227.609516

Cube

Length = n
Surface area 2484731825401014
Volume 8.4273767242328E+21
Space diagonal 35247211.417366

Equilateral Triangle

Length = n
Perimeter 61049961
Area 1.7932007353241E+14
Altitude 17623605.708683

Triangular Pyramid

Length = n
Surface area 1.7932007353241E+14
Volume 9.9317587155312E+20
Height 9593075.8698387