21497980 (number)

21497980 is an even 8-digits composite number following 21497979 and preceding 21497981. In scientific notation, it is written as 2.1497980 × 10^7. The sum of its digits is 40. It has a total of 5 prime factors and 24 positive divisors. There are 7370688 positive integers (up to 21497980) that are relatively prime to 21497980.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety-seven thousand nine hundred eighty

Notation

Scientific notation 2.1497980 × 10^7
Engineering notation 2.1497980 × 10^6

Prime Factorization of 21497980

Prime Factorization 2 × 2 × 7 × 5 × 153557

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10748990
Product of the distinct prime numbers

The prime factorization of 21497980 is 2 × 2 × 7 × 5 × 153557. Since it has a total of 5 prime factors.

Most popular turbo-numbers

7, 4, 94, 9, 114, 862, 4125, 4615, 38779, 44569, 419305, 598033, 1177706, 7379091, 52995699, 8775232, 407016098, 434675532, 4824600514, 2632582309

Basic calculations (n = 21497980)

Multiplication

n×y
n×2 42995960
n×3 64493940
n×4 85991920
n×5 107489900

Division

n÷y
n÷2 10748990
n÷3 7165993.3333333
n÷3 5374495
n÷5 4299596

Exponentiation

ny
n2 462163144080400
n3 9.9355740281776E+21
n4 2.1359477174628E+29
n5 4.5918561311061E+36

Nth Root

y√n
2√n 4636.5914204295
3√n 278.05617966457
4√n 68.092521031531
5√n 29.273828951855

Divisors of 21497980

1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 153557, 307114, 614228, 767785, 1074899, 1535570, 2149798, 3071140, 4299596, 5374495, 10748990, 21497980

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 -21497979
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 21497980 can be divided by 24 positive divisors. The sum of these divisors (counting 21497980) is 1, the average is 0.041666666666667.

Base conversion 21497980

Base System Value
2 Binary 1010010000000100001111100
3 Ternary 1111110012200111
4 Quaternary 1102000201330
5 Quinary 21000413410
6 Senary 2044435404
8 Octal 122004174
10 Decimal 21497980
12 Duodecimal 7248b64
16 Hexadecimal 148087c
20 Vigesimal 6e74j0
36 Base36 csry4

Cryptographic Hash Functions

md5 207ffe53775fb06e6b9e3fb6671b5de5
sha1 a6e01cd92d7579403d2687941085e313045c0279
sha256 cde64f2b2ef7c1ae3bfd3196e05a3c3ee78b92b546cd1a83213e6da4a866c810
sha512 7120fa117f2fd0d3b950dee302a44a7b314d090c5a12efd4066856a1c0534becdbaa086c49ccbc329c6ce4b8ed5b160f2fd462618aa2f34a527cd67e5ca24ad2
ripemd-160 a600f433c3ac6014254ce313a758aadc7ff570f2

21497980 as geometric shapes

Circle

Radius = n
Diameter 42995960
Circumference 135075792.07004
Area 1.4519283382029E+15

Sphere

Radius = n
Volume 4.161803516816E+22
Surface area 5.8077133528118E+15
Circumference 135075792.07004

Square

Length = n
Perimeter 85991920
Area 462163144080400
Diagonal 30402734.879626

Cube

Length = n
Surface area 2772978864482400
Volume 9.9355740281776E+21
Space diagonal 37235593.6201

Equilateral Triangle

Length = n
Perimeter 64493940
Area 2.0012251173326E+14
Altitude 18617796.81005

Triangular Pyramid

Length = n
Surface area 2.0012251173326E+14
Volume 1.1709186283842E+21
Height 10134244.959875