21408980 (number)

21408980 is an even 8-digits composite number following 21408979 and preceding 21408981. In scientific notation, it is written as 2.1408980 × 10^7. The sum of its digits is 32. It has a total of 5 prime factors and 24 positive divisors. There are 8486912 positive integers (up to 21408980) that are relatively prime to 21408980.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1408980 × 10^7
Engineering notation 2.1408980 × 10^6

Prime Factorization of 21408980

Prime Factorization 2 × 2 × 5 × 113 × 9473

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10704490
Product of the distinct prime numbers

The prime factorization of 21408980 is 2 × 2 × 5 × 113 × 9473. Since it has a total of 5 prime factors.

Most popular turbo-numbers

6, 10, 47, 29, 799, 704, 9894, 638, 77810, 73551, 442174, 860297, 793347, 2107729, 48546095, 20537537, 580615813, 908476268, 8887881309, 4221209831

Basic calculations (n = 21408980)

Multiplication

n×y
n×2 42817960
n×3 64226940
n×4 85635920
n×5 107044900

Division

n÷y
n÷2 10704490
n÷3 7136326.6666667
n÷3 5352245
n÷5 4281796

Exponentiation

ny
n2 458344424640400
n3 9.8126866202378E+21
n4 2.1007961159894E+29
n5 4.4975902031295E+36

Nth Root

y√n
2√n 4626.9838988265
3√n 277.67193846325
4√n 68.021936894112
5√n 29.249550429507

Divisors of 21408980

1, 2, 4, 5, 10, 20, 113, 226, 452, 565, 1130, 2260, 9473, 18946, 37892, 47365, 94730, 189460, 1070449, 2140898, 4281796, 5352245, 10704490, 21408980

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21408979
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21408980 can be divided by 24 positive divisors. The sum of these divisors (counting 21408980) is 1, the average is 0.041666666666667.

Base conversion 21408980

Base System Value
2 Binary 1010001101010110011010100
3 Ternary 1111021200121012
4 Quaternary 1101222303110
5 Quinary 20440041410
6 Senary 2042511352
8 Octal 121526324
10 Decimal 21408980
12 Duodecimal 7205558
16 Hexadecimal 146acd4
20 Vigesimal 6dg290
36 Base36 cqv9w

Cryptographic Hash Functions

md5 aa8d35c3d6a2063840061972a4df20fc
sha1 668503f803849d54c34b3339f5d649676511efcf
sha256 bf519a4092899c437ffb73da39b197ade394fb1c5238802001c467cd79b58a9c
sha512 42bdd9ea2a66d93e558ee94f4abc75196e95c52db18823525c47487e1d60637d5618b515ea63e2e86f61648d0d807830838371d3b733e44f366f54ad1ca21fae
ripemd-160 241f8e04f2ffe002edefdc42ab7056af68140d40

21408980 as geometric shapes

Circle

Radius = n
Diameter 42817960
Circumference 134516588.5777
Area 1.4399314772641E+15

Sphere

Radius = n
Volume 4.1103285597491E+22
Surface area 5.7597259090565E+15
Circumference 134516588.5777

Square

Length = n
Perimeter 85635920
Area 458344424640400
Diagonal 30276869.872574

Cube

Length = n
Surface area 2750066547842400
Volume 9.8126866202378E+21
Space diagonal 37081441.098226

Equilateral Triangle

Length = n
Perimeter 64226940
Area 1.9846895771077E+14
Altitude 18540720.549113

Triangular Pyramid

Length = n
Surface area 1.9846895771077E+14
Volume 1.1564362084714E+21
Height 10092289.957525