21497843 (number)

21497843 is an odd 8-digits composite number following 21497842 and preceding 21497844. In scientific notation, it is written as 2.1497843 × 10^7. The sum of its digits is 38. It has a total of 4 prime factors and 12 positive divisors. There are 19936512 positive integers (up to 21497843) that are relatively prime to 21497843.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety-seven thousand eight hundred forty-three

Notation

Scientific notation 2.1497843 × 10^7
Engineering notation 2.1497843 × 10^6

Prime Factorization of 21497843

Prime Factorization 17 × 17 × 73 × 1019

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 1264579
Product of the distinct prime numbers

The prime factorization of 21497843 is 17 × 17 × 73 × 1019. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 9, 64, 94, 739, 68, 1308, 3837, 55269, 97094, 50590, 17453, 8472718, 8281553, 90131449, 12434672, 540998589, 719074378, 3219573663, 8856955218

Basic calculations (n = 21497843)

Multiplication

n×y
n×2 42995686
n×3 64493529
n×4 85991372
n×5 107489215

Division

n÷y
n÷2 10748921.5
n÷3 7165947.6666667
n÷3 5374460.75
n÷5 4299568.6

Exponentiation

ny
n2 462157253652649
n3 9.9353840803358E+21
n4 2.1358932710376E+29
n5 4.5917098205523E+36

Nth Root

y√n
2√n 4636.5766466219
3√n 278.05558900787
4√n 68.09241254811
5√n 29.273791641142

Divisors of 21497843

1, 17, 73, 289, 1019, 1241, 17323, 21097, 74387, 294491, 1264579, 21497843

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 -21497842
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 21497843 can be divided by 12 positive divisors. The sum of these divisors (counting 21497843) is 1, the average is 0.083333333333333.

Base conversion 21497843

Base System Value
2 Binary 1010010000000011111110011
3 Ternary 1111110012111102
4 Quaternary 1102000133303
5 Quinary 21000412333
6 Senary 2044435015
8 Octal 122003763
10 Decimal 21497843
12 Duodecimal 7248a6b
16 Hexadecimal 14807f3
20 Vigesimal 6e74c3
36 Base36 csrub

Cryptographic Hash Functions

md5 5c6cc2ae93e5bdc8277f272b70b9aa2d
sha1 caa14d61c6d297790aec38ef3543142cb11db5b2
sha256 4ea6bf2b08082752719bd49dac6227fed0bf8a4ea71ea184b5d57f494dd70e53
sha512 bbf97c7f07619f8105f954933a2a2159465784674e2c0c1c75154651ad879a0d33a5bdd5b15f2380d117fd2128d0f222ca8b1c772575dac9c0a48c9c04b30ba5
ripemd-160 7011ed790abecdf65c1387dfee7d2b8f92db2261

21497843 as geometric shapes

Circle

Radius = n
Diameter 42995686
Circumference 135074931.27365
Area 1.4519098328784E+15

Sphere

Radius = n
Volume 4.1617239516501E+22
Surface area 5.8076393315136E+15
Circumference 135074931.27365

Square

Length = n
Perimeter 85991372
Area 462157253652649
Diagonal 30402541.132368

Cube

Length = n
Surface area 2772943521915894
Volume 9.9353840803358E+21
Space diagonal 37235356.329139

Equilateral Triangle

Length = n
Perimeter 64493529
Area 2.0011996110322E+14
Altitude 18617678.164569

Triangular Pyramid

Length = n
Surface area 2.0011996110322E+14
Volume 1.1708962428164E+21
Height 10134180.377456