21491629 (number)

21491629 is an odd 8-digits composite number following 21491628 and preceding 21491630. In scientific notation, it is written as 2.1491629 × 10^7. The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors. There are 21109200 positive integers (up to 21491629) that are relatively prime to 21491629.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety-one thousand six hundred twenty-nine

Notation

Scientific notation 2.1491629 × 10^7
Engineering notation 2.1491629 × 10^6

Prime Factorization of 21491629

Prime Factorization 71 × 719 × 421

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21491629
Product of the distinct prime numbers

The prime factorization of 21491629 is 71 × 719 × 421. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21491629)

Multiplication

n×y
n×2 42983258
n×3 64474887
n×4 85966516
n×5 107458145

Division

n÷y
n÷2 10745814.5
n÷3 7163876.3333333
n÷3 5372907.25
n÷5 4298325.8

Exponentiation

ny
n2 461890117073641
n3 9.9267710349133E+21
n4 2.133424802503E+29
n5 4.5850774354793E+36

Nth Root

y√n
2√n 4635.9064917231
3√n 278.02879556112
4√n 68.087491448305
5√n 29.272099114341

Divisors of 21491629

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21491628
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21491629 can be divided by 8 positive divisors. The sum of these divisors (counting 21491629) is 1, the average is 0.125.

Base conversion 21491629

Base System Value
2 Binary 1010001111110111110101101
3 Ternary 1111102212222021
4 Quaternary 1101332332231
5 Quinary 21000213004
6 Senary 2044350141
8 Octal 121767655
10 Decimal 21491629
12 Duodecimal 7245351
16 Hexadecimal 147efad
20 Vigesimal 6e6919
36 Base36 csn1p

Cryptographic Hash Functions

md5 bfceea49e55d91809edc38ee484f68c1
sha1 c5278a61c95f1dd356be7a9d7f74731d76e567ec
sha256 5f2b5cf388aaaf4e49ccdb55ce256bfe4f4bd473669755bdc09eb605c2e03927
sha512 837564cbbb311d4ab52518b640b52cb67dc89f9f78f1f67a5ef692b3b69c8dedb70ef16599dd2db836d00541bbb640ff8adfa1d271317900ce5a7c98f9f65ac5
ripemd-160 0693690b43dcf1482a0af1c665c9fc1f9b307d7f

21491629 as geometric shapes

Circle

Radius = n
Diameter 42983258
Circumference 135035887.56015
Area 1.4510705985643E+15

Sphere

Radius = n
Volume 4.1581161276202E+22
Surface area 5.8042823942571E+15
Circumference 135035887.56015

Square

Length = n
Perimeter 85966516
Area 461890117073641
Diagonal 30393753.209291

Cube

Length = n
Surface area 2771340702441846
Volume 9.9267710349133E+21
Space diagonal 37224593.365421

Equilateral Triangle

Length = n
Perimeter 64474887
Area 2.0000428757137E+14
Altitude 18612296.68271

Triangular Pyramid

Length = n
Surface area 2.0000428757137E+14
Volume 1.1698811856789E+21
Height 10131251.069764