21497949 (number)

21497949 is an odd 8-digits composite number following 21497948 and preceding 21497950. In scientific notation, it is written as 2.1497949 × 10^7. The sum of its digits is 45. It has a total of 5 prime factors and 24 positive divisors. There are 12331440 positive integers (up to 21497949) that are relatively prime to 21497949.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1497949 × 10^7
Engineering notation 2.1497949 × 10^6

Prime Factorization of 21497949

Prime Factorization 9 × 11 × 11 × 19 × 1039

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 1954359
Product of the distinct prime numbers

The prime factorization of 21497949 is 9 × 11 × 11 × 19 × 1039. Since it has a total of 5 prime factors.

Most popular turbo-numbers

1, 8, 87, 15, 423, 610, 2444, 7987, 63937, 41557, 295831, 641310, 6805231, 1968826, 72109465, 46049187, 71299958, 742466949, 1619250285, 2228788548

Basic calculations (n = 21497949)

Multiplication

n×y
n×2 42995898
n×3 64493847
n×4 85991796
n×5 107489745

Division

n÷y
n÷2 10748974.5
n÷3 7165983
n÷3 5374487.25
n÷5 4299589.8

Exponentiation

ny
n2 462161811206601
n3 9.9355310470671E+21
n4 2.1359353973777E+29
n5 4.591823024012E+36

Nth Root

y√n
2√n 4636.5880774552
3√n 278.05604601254
4√n 68.092496484233
5√n 29.273820509302

Divisors of 21497949

1, 9, 11, 19, 99, 121, 171, 209, 1039, 1089, 1881, 2299, 9351, 11429, 19741, 20691, 102861, 125719, 177669, 217151, 1131471, 1954359, 2388661, 21497949

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 -21497948
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 21497949 can be divided by 24 positive divisors. The sum of these divisors (counting 21497949) is 1, the average is 0.041666666666667.

Base conversion 21497949

Base System Value
2 Binary 1010010000000100001011101
3 Ternary 1111110012122100
4 Quaternary 1102000201131
5 Quinary 21000413244
6 Senary 2044435313
8 Octal 122004135
10 Decimal 21497949
12 Duodecimal 7248b39
16 Hexadecimal 148085d
20 Vigesimal 6e74h9
36 Base36 csrx9

Cryptographic Hash Functions

md5 074f9beb5e6bd4c75c9ec139d2c0fcde
sha1 3cdeb82d7e6b3dc1521bf2b79d9435ef2fbec18d
sha256 2e5f05f5f084121a810efa1b2e252cd5f2e9ff8c5bce88e1da0dd219332ae8c3
sha512 18ef0505f2e60053c966caa18043265eccc78b732a5e6597d61237e3eefb99a195d41da5095fe9521bb99eef7bb9413a250953ac942e5739f787979e9cfb028a
ripemd-160 67374d937d5dfa68ed7f69686cf138fbb6bdde29

21497949 as geometric shapes

Circle

Radius = n
Diameter 42995898
Circumference 135075597.2913
Area 1.4519241508564E+15

Sphere

Radius = n
Volume 4.1617855129306E+22
Surface area 5.8076966034256E+15
Circumference 135075597.2913

Square

Length = n
Perimeter 85991796
Area 462161811206601
Diagonal 30402691.039005

Cube

Length = n
Surface area 2772970867239606
Volume 9.9355310470671E+21
Space diagonal 37235539.926525

Equilateral Triangle

Length = n
Perimeter 64493847
Area 2.0012193458197E+14
Altitude 18617769.963262

Triangular Pyramid

Length = n
Surface area 2.0012193458197E+14
Volume 1.1709135630118E+21
Height 10134230.346335