21082989 (number)

21082989 is an odd 8-digits composite number following 21082988 and preceding 21082990. In scientific notation, it is written as 2.1082989 × 10^7. The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors. There are 13315536 positive integers (up to 21082989) that are relatively prime to 21082989.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1082989 × 10^7
Engineering notation 2.1082989 × 10^6

Prime Factorization of 21082989

Prime Factorization 3 × 19 × 369877

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21082989
Product of the distinct prime numbers

The prime factorization of 21082989 is 3 × 19 × 369877. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21082989)

Multiplication

n×y
n×2 42165978
n×3 63248967
n×4 84331956
n×5 105414945

Division

n÷y
n÷2 10541494.5
n÷3 7027663
n÷3 5270747.25
n÷5 4216597.8

Exponentiation

ny
n2 444492425174121
n3 9.3712289105293E+21
n4 1.9757351603717E+29
n5 4.165440265303E+36

Nth Root

y√n
2√n 4591.6216089743
3√n 276.25536908683
4√n 67.761505362369
5√n 29.159927269524

Divisors of 21082989

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 -21082988
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 21082989 can be divided by 8 positive divisors. The sum of these divisors (counting 21082989) is 1, the average is 0.125.

Base conversion 21082989

Base System Value
2 Binary 1010000011011001101101101
3 Ternary 1110200010102110
4 Quaternary 1100123031231
5 Quinary 20344123424
6 Senary 2031514233
8 Octal 120331555
10 Decimal 21082989
12 Duodecimal 7088979
16 Hexadecimal 141b36d
20 Vigesimal 6bf799
36 Base36 cjvql

Cryptographic Hash Functions

md5 106502ccfd9b1cb4e086d4dad683e861
sha1 55bed26d47134d70a98fa60bad55e3185de42976
sha256 38143946a5fe6bce94d424b9ff41c92b0a664f0c832d3352a0479016c617c0f3
sha512 7822c9edc48a3392c3c2dabad585b103524616ad91869d5d46adc75826eb8013f0f72ca32fad57768ac184da863edcd3b79d0c068e489b78feb1e045096cb4da
ripemd-160 3f59c401f4e3bf0449074df11eadc977d8dac4b6

21082989 as geometric shapes

Circle

Radius = n
Diameter 42165978
Circumference 132468326.71623
Area 1.3964141375033E+15

Sphere

Radius = n
Volume 3.9254111867236E+22
Surface area 5.5856565500133E+15
Circumference 132468326.71623

Square

Length = n
Perimeter 84331956
Area 444492425174121
Diagonal 29815848.979163

Cube

Length = n
Surface area 2666954551044726
Volume 9.3712289105293E+21
Space diagonal 36516808.123416

Equilateral Triangle

Length = n
Perimeter 63248967
Area 1.9247086599527E+14
Altitude 18258404.061708

Triangular Pyramid

Length = n
Surface area 1.9247086599527E+14
Volume 1.1044099184478E+21
Height 9938616.3263876