21862989 (number)

21862989 is an odd 8-digits composite number following 21862988 and preceding 21862990. In scientific notation, it is written as 2.1862989 × 10^7. The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors. There are 14195520 positive integers (up to 21862989) that are relatively prime to 21862989.

Interesting facts

Basic properties

Name

Name twenty-one million eight hundred sixty-two thousand nine hundred eighty-nine

Notation

Scientific notation 2.1862989 × 10^7
Engineering notation 2.1862989 × 10^6

Prime Factorization of 21862989

Prime Factorization 9 × 73 × 311 × 107

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21862989
Product of the distinct prime numbers

The prime factorization of 21862989 is 9 × 73 × 311 × 107. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21862989)

Multiplication

n×y
n×2 43725978
n×3 65588967
n×4 87451956
n×5 109314945

Division

n÷y
n÷2 10931494.5
n÷3 7287663
n÷3 5465747.25
n÷5 4372597.8

Exponentiation

ny
n2 477990288014121
n3 1.045029640896E+22
n4 2.2847471543582E+29
n5 4.9951401903515E+36

Nth Root

y√n
2√n 4675.7875272514
3√n 279.62103920469
4√n 68.379730382997
5√n 29.372567279714

Divisors of 21862989

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21862988
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21862989 can be divided by 16 positive divisors. The sum of these divisors (counting 21862989) is 1, the average is 0.0625.

Base conversion 21862989

Base System Value
2 Binary 1010011011001101001001101
3 Ternary 1112010202101100
4 Quaternary 1103121221031
5 Quinary 21044103424
6 Senary 2100333313
8 Octal 123315115
10 Decimal 21862989
12 Duodecimal 73a4239
16 Hexadecimal 14d9a4d
20 Vigesimal 6gch99
36 Base36 d0ll9

Cryptographic Hash Functions

md5 3fd72036b0288b31069cd324cd21db71
sha1 64c0e31583813db0a4ef6c88a6a485815214c8ec
sha256 5d67159f7c15cc89b0c4a943134f105661a5277b2aa8312e5472385eb8ab21e8
sha512 985822d08a2c434bea3ca07b964dc026686c5b519d2adc4bf4d8dc8c5dcad0da95ad168589d0bb0d79bc4df19dd4bc1fd56d56ba84400b8c91e33e1514f2d3db
ripemd-160 e076b3ff227e99cc667a35c0e8fa80adb761c5ad

21862989 as geometric shapes

Circle

Radius = n
Diameter 43725978
Circumference 137369211.25583
Area 1.5016507773124E+15

Sphere

Radius = n
Volume 4.3774099234964E+22
Surface area 6.0066031092497E+15
Circumference 137369211.25583

Square

Length = n
Perimeter 87451956
Area 477990288014121
Diagonal 30918935.557814

Cube

Length = n
Surface area 2867941728084726
Volume 1.045029640896E+22
Space diagonal 37867807.753319

Equilateral Triangle

Length = n
Perimeter 65588967
Area 2.0697586609123E+14
Altitude 18933903.87666

Triangular Pyramid

Length = n
Surface area 2.0697586609123E+14
Volume 1.2315792426975E+21
Height 10306311.852605