20989851 (number)

20989851 is an odd 8-digits composite number following 20989850 and preceding 20989852. In scientific notation, it is written as 2.0989851 × 10^7. The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors. There are 13256712 positive integers (up to 20989851) that are relatively prime to 20989851.

Interesting facts

Basic properties

Name

Name twenty million nine hundred eighty-nine thousand eight hundred fifty-one

Notation

Scientific notation 2.0989851 × 10^7
Engineering notation 2.0989851 × 10^6

Prime Factorization of 20989851

Prime Factorization 3 × 19 × 368243

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20989851
Product of the distinct prime numbers

The prime factorization of 20989851 is 3 × 19 × 368243. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20989851)

Multiplication

n×y
n×2 41979702
n×3 62969553
n×4 83959404
n×5 104949255

Division

n÷y
n÷2 10494925.5
n÷3 6996617
n÷3 5247462.75
n÷5 4197970.2

Exponentiation

ny
n2 440573845002201
n3 9.2475793610933E+21
n4 1.9410531290002E+29
n5 4.0742415960799E+36

Nth Root

y√n
2√n 4581.4682144483
3√n 275.84796552161
4√n 67.686543821119
5√n 29.134117748326

Divisors of 20989851

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 -20989850
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 20989851 can be divided by 8 positive divisors. The sum of these divisors (counting 20989851) is 1, the average is 0.125.

Base conversion 20989851

Base System Value
2 Binary 1010000000100011110011011
3 Ternary 1110111101122220
4 Quaternary 1100010132123
5 Quinary 20333133401
6 Senary 2025515123
8 Octal 120043633
10 Decimal 20989851
12 Duodecimal 7042aa3
16 Hexadecimal 140479b
20 Vigesimal 6b3ecb
36 Base36 chvvf

Cryptographic Hash Functions

md5 06e7f33d5be99abf817e85008caef815
sha1 a24ecd61a2cf3b0c479d87e370ca5b314036a484
sha256 95b88a8650d722f78b9526b70da98b671d8bd47f90d13ef06efbde9535237fec
sha512 168ecbb30534e48146a234a45751b5e13564815d31b93ceef5cad7da17cc8af4d105de35fe5d3c4593fee7ef349a7695d04d07e40205e19ce75a5ce067cbb860
ripemd-160 c259857ab1ccb6589373d512786712dbb67cf929

20989851 as geometric shapes

Circle

Radius = n
Diameter 41979702
Circumference 131883123.40309
Area 1.3841035548227E+15

Sphere

Radius = n
Volume 3.8736169845732E+22
Surface area 5.5364142192909E+15
Circumference 131883123.40309

Square

Length = n
Perimeter 83959404
Area 440573845002201
Diagonal 29684131.95639

Cube

Length = n
Surface area 2643443070013206
Volume 9.2475793610933E+21
Space diagonal 36355488.3753

Equilateral Triangle

Length = n
Perimeter 62969553
Area 1.9077407100745E+14
Altitude 18177744.18765

Triangular Pyramid

Length = n
Surface area 1.9077407100745E+14
Volume 1.0898376792983E+21
Height 9894710.6521302