21493651 (number)

21493651 is an odd 8-digits composite number following 21493650 and preceding 21493652. In scientific notation, it is written as 2.1493651 × 10^7. The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors. There are 21454912 positive integers (up to 21493651) that are relatively prime to 21493651.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety-three thousand six hundred fifty-one

Notation

Scientific notation 2.1493651 × 10^7
Engineering notation 2.1493651 × 10^6

Prime Factorization of 21493651

Prime Factorization 563 × 38177

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21493651
Product of the distinct prime numbers

The prime factorization of 21493651 is 563 × 38177. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21493651)

Multiplication

n×y
n×2 42987302
n×3 64480953
n×4 85974604
n×5 107468255

Division

n÷y
n÷2 10746825.5
n÷3 7164550.3333333
n÷3 5373412.75
n÷5 4298730.2

Exponentiation

ny
n2 461977033309801
n3 9.9295731239762E+21
n4 2.1342277930572E+29
n5 4.5872347338473E+36

Nth Root

y√n
2√n 4636.1245669201
3√n 278.03751456198
4√n 68.089092863102
5√n 29.27264989583

Divisors of 21493651

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21493650
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21493651 can be divided by 4 positive divisors. The sum of these divisors (counting 21493651) is 1, the average is 0.25.

Base conversion 21493651

Base System Value
2 Binary 1010001111111011110010011
3 Ternary 1111102222202011
4 Quaternary 1101333132103
5 Quinary 21000244101
6 Senary 2044403351
8 Octal 121773623
10 Decimal 21493651
12 Duodecimal 7246557
16 Hexadecimal 147f793
20 Vigesimal 6e6e2b
36 Base36 csolv

Cryptographic Hash Functions

md5 344da372fb8ba3589f677880b04f2f6a
sha1 5f72c5ca62e7468745e668bce471648a6f5c38f5
sha256 fa183128423eb792dd2da754f242a1009ab14effa888a65629f4e71f3355d995
sha512 dbafd8e842d60b15f7ad52f4f1bdc33b18111bd523f028955ca0b2601ae93de9e302e2950853305362ffc1c8ee0195763623a1be2eef866a260ae744ccd0d698
ripemd-160 ba3de44b57096bc2ab278c54763935511b84944b

21493651 as geometric shapes

Circle

Radius = n
Diameter 42987302
Circumference 135048592.16085
Area 1.4513436539733E+15

Sphere

Radius = n
Volume 4.1592898639422E+22
Surface area 5.8053746158931E+15
Circumference 135048592.16085

Square

Length = n
Perimeter 85974604
Area 461977033309801
Diagonal 30396612.749114

Cube

Length = n
Surface area 2771862199858806
Volume 9.9295731239762E+21
Space diagonal 37228095.572154

Equilateral Triangle

Length = n
Perimeter 64480953
Area 2.0004192340563E+14
Altitude 18614047.786077

Triangular Pyramid

Length = n
Surface area 2.0004192340563E+14
Volume 1.1702114150419E+21
Height 10132204.249705