21906980 (number)

21906980 is an even 8-digits composite number following 21906979 and preceding 21906981. In scientific notation, it is written as 2.1906980 × 10^7. The sum of its digits is 35. It has a total of 4 prime factors and 12 positive divisors. There are 8762784 positive integers (up to 21906980) that are relatively prime to 21906980.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1906980 × 10^7
Engineering notation 2.1906980 × 10^6

Prime Factorization of 21906980

Prime Factorization 2 × 2 × 5 × 1095349

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10953490
Product of the distinct prime numbers

The prime factorization of 21906980 is 2 × 2 × 5 × 1095349. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 3, 62, 60, 734, 275, 74, 8865, 53119, 79424, 303075, 211776, 2842558, 7686842, 21276766, 89122804, 33818391, 717769028, 6124154968, 865466705

Basic calculations (n = 21906980)

Multiplication

n×y
n×2 43813960
n×3 65720940
n×4 87627920
n×5 109534900

Division

n÷y
n÷2 10953490
n÷3 7302326.6666667
n÷3 5476745
n÷5 4381396

Exponentiation

ny
n2 479915772720400
n3 1.051350523467E+22
n4 2.3031914890582E+29
n5 5.0455969886968E+36

Nth Root

y√n
2√n 4680.4892906618
3√n 279.8084574347
4√n 68.414101548305
5√n 29.384378015134

Divisors of 21906980

1, 2, 4, 5, 10, 20, 1095349, 2190698, 4381396, 5476745, 10953490, 21906980

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21906979
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21906980 can be divided by 12 positive divisors. The sum of these divisors (counting 21906980) is 1, the average is 0.083333333333333.

Base conversion 21906980

Base System Value
2 Binary 1010011100100011000100100
3 Ternary 1112012222201122
4 Quaternary 1103210120210
5 Quinary 21102010410
6 Senary 2101313112
8 Octal 123443044
10 Decimal 21906980
12 Duodecimal 7405798
16 Hexadecimal 14e4624
20 Vigesimal 6gi790
36 Base36 d1jj8

Cryptographic Hash Functions

md5 abb8f978104d92f32be64b5d5e699491
sha1 0d837aee235d5a331074e2f3b0c729e31bdadfdd
sha256 0c721fca3c9c87f1c5cc194fe3baa85763a987ae6ae1898454c635e15fd24dbd
sha512 fa5411b2b5c3b8b2f02293111caee8176da162e56860548b45558f0bf8988abd98806c8202332da16d16f742e1d33f170f73f9f8b8559d18f24ab3a01fdc4951
ripemd-160 f7cb7c53f04e87391fd6b900eb0d574ef496be7f

21906980 as geometric shapes

Circle

Radius = n
Diameter 43813960
Circumference 137645614.86068
Area 1.5076998659203E+15

Sphere

Radius = n
Volume 4.4038867744958E+22
Surface area 6.0307994636811E+15
Circumference 137645614.86068

Square

Length = n
Perimeter 87627920
Area 479915772720400
Diagonal 30981148.226636

Cube

Length = n
Surface area 2879494636322400
Volume 1.051350523467E+22
Space diagonal 37944002.400395

Equilateral Triangle

Length = n
Perimeter 65720940
Area 2.0780962542635E+14
Altitude 18972001.200198

Triangular Pyramid

Length = n
Surface area 2.0780962542635E+14
Volume 1.2390284742459E+21
Height 10327049.408879