21495951 (number)

21495951 is an odd 8-digits composite number following 21495950 and preceding 21495952. In scientific notation, it is written as 2.1495951 × 10^7. The sum of its digits is 36. It has a total of 4 prime factors and 12 positive divisors. There are 14241744 positive integers (up to 21495951) that are relatively prime to 21495951.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety-five thousand nine hundred fifty-one

Notation

Scientific notation 2.1495951 × 10^7
Engineering notation 2.1495951 × 10^6

Prime Factorization of 21495951

Prime Factorization 3 × 3 × 163 × 14653

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 7165317
Product of the distinct prime numbers

The prime factorization of 21495951 is 3 × 3 × 163 × 14653. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 2, 82, 96, 905, 593, 895, 8162, 29966, 92919, 468703, 617681, 6710487, 4246886, 95246044, 59108838, 530628834, 438512507, 4379894617, 797783973

Basic calculations (n = 21495951)

Multiplication

n×y
n×2 42991902
n×3 64487853
n×4 85983804
n×5 107479755

Division

n÷y
n÷2 10747975.5
n÷3 7165317
n÷3 5373987.75
n÷5 4299190.2

Exponentiation

ny
n2 462075909394401
n3 9.9327611066225E+21
n4 2.1351414604266E+29
n5 4.5896896211399E+36

Nth Root

y√n
2√n 4636.3726122908
3√n 278.04743165292
4√n 68.09091431528
5√n 29.273276352574

Divisors of 21495951

1, 3, 9, 163, 489, 1467, 14653, 43959, 131877, 2388439, 7165317, 21495951

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 -21495950
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 21495951 can be divided by 12 positive divisors. The sum of these divisors (counting 21495951) is 1, the average is 0.083333333333333.

Base conversion 21495951

Base System Value
2 Binary 1010010000000000010001111
3 Ternary 1111110002220100
4 Quaternary 1102000002033
5 Quinary 21000332301
6 Senary 2044422143
8 Octal 122000217
10 Decimal 21495951
12 Duodecimal 7247953
16 Hexadecimal 148008f
20 Vigesimal 6e6jhb
36 Base36 csqdr

Cryptographic Hash Functions

md5 f468cf097fa53221472b9d166b41cdfc
sha1 35f12d1adbd7b9a460045373c1d62e00adb796bb
sha256 d5a55b7ca7714ac60645aab24d996df172d63aba01cafde909228d526f1f683c
sha512 222a0c4c070d23dfefb5a612ff80aa8a459ec6543a16ce5685061bc98ec7ae9e8659f9864823bf8ab7780be1cff37c09f68f163ca4c25595fd1be0acde2846e2
ripemd-160 ed669eb9d82bc1728ded9938ccdbd5ef18565784

21495951 as geometric shapes

Circle

Radius = n
Diameter 42991902
Circumference 135063043.48705
Area 1.4516542823543E+15

Sphere

Radius = n
Volume 4.1606252429903E+22
Surface area 5.8066171294171E+15
Circumference 135063043.48705

Square

Length = n
Perimeter 85983804
Area 462075909394401
Diagonal 30399865.440307

Cube

Length = n
Surface area 2772455456366406
Volume 9.9327611066225E+21
Space diagonal 37232079.289011

Equilateral Triangle

Length = n
Perimeter 64487853
Area 2.0008473800617E+14
Altitude 18616039.644506

Triangular Pyramid

Length = n
Surface area 2.0008473800617E+14
Volume 1.1705871223998E+21
Height 10133288.480102