20949986 (number)

20949986 is an even 8-digits composite number following 20949985 and preceding 20949987. In scientific notation, it is written as 2.0949986 × 10^7. The sum of its digits is 47. It has a total of 3 prime factors and 8 positive divisors. There are 10137060 positive integers (up to 20949986) that are relatively prime to 20949986.

Interesting facts

Basic properties

Name

Name twenty million nine hundred forty-nine thousand nine hundred eighty-six

Notation

Scientific notation 2.0949986 × 10^7
Engineering notation 2.0949986 × 10^6

Prime Factorization of 20949986

Prime Factorization 2 × 31 × 337903

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20949986
Product of the distinct prime numbers

The prime factorization of 20949986 is 2 × 31 × 337903. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20949986)

Multiplication

n×y
n×2 41899972
n×3 62849958
n×4 83799944
n×5 104749930

Division

n÷y
n÷2 10474993
n÷3 6983328.6666667
n÷3 5237496.5
n÷5 4189997.2

Exponentiation

ny
n2 438901913400196
n3 9.1949889411073E+21
n4 1.9263488958635E+29
n5 4.0356982399456E+36

Nth Root

y√n
2√n 4577.1154671911
3√n 275.67321998516
4√n 67.654382468478
5√n 29.123042729727

Divisors of 20949986

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 -20949985
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 20949986 can be divided by 8 positive divisors. The sum of these divisors (counting 20949986) is 1, the average is 0.125.

Base conversion 20949986

Base System Value
2 Binary 1001111111010101111100010
3 Ternary 1110102100222102
4 Quaternary 1033322233202
5 Quinary 20330344421
6 Senary 2025010402
8 Octal 117725742
10 Decimal 20949986
12 Duodecimal 7023a02
16 Hexadecimal 13fabe2
20 Vigesimal 6aiej6
36 Base36 ch142

Cryptographic Hash Functions

md5 26aac0a364e99509bdc40819cd9776e0
sha1 39b33db9b7e52036108df4822ea52602350dddd9
sha256 38882cbf7d89f3639ef1a89d69a2341db5be74fa7d514732fa8f1f9170f3a60b
sha512 eaa1f55705f51a0e3e0a4e5f0c55e2e4add89773b0ee42187ad72ba997a4ea266374a4f8b3549e19577fc67feb19302accebab23dbcac418809450e7c27ed1f2
ripemd-160 93fe295a9a07a819c9e4d9ef1ec0d33ba3916816

20949986 as geometric shapes

Circle

Radius = n
Diameter 41899972
Circumference 131632644.22082
Area 1.3788510267846E+15

Sphere

Radius = n
Volume 3.851587960963E+22
Surface area 5.5154041071382E+15
Circumference 131632644.22082

Square

Length = n
Perimeter 83799944
Area 438901913400196
Diagonal 29627754.332726

Cube

Length = n
Surface area 2633411480401176
Volume 9.1949889411073E+21
Space diagonal 36286440.169857

Equilateral Triangle

Length = n
Perimeter 62849958
Area 1.9005010338708E+14
Altitude 18143220.084928

Triangular Pyramid

Length = n
Surface area 1.9005010338708E+14
Volume 1.0836398388654E+21
Height 9875918.1109088