21497828 (number)

21497828 is an even 8-digits composite number following 21497827 and preceding 21497829. In scientific notation, it is written as 2.1497828 × 10^7. The sum of its digits is 41. It has a total of 5 prime factors and 18 positive divisors. There are 9771520 positive integers (up to 21497828) that are relatively prime to 21497828.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1497828 × 10^7
Engineering notation 2.1497828 × 10^6

Prime Factorization of 21497828

Prime Factorization 2 × 2 × 11 × 11 × 44417

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 977174
Product of the distinct prime numbers

The prime factorization of 21497828 is 2 × 2 × 11 × 11 × 44417. Since it has a total of 5 prime factors.

Most popular turbo-numbers

7, 2, 60, 50, 792, 118, 3075, 8894, 11105, 38116, 468101, 711528, 8902133, 8590601, 41056572, 91080505, 906359306, 651309650, 487828661, 5369328384

Basic calculations (n = 21497828)

Multiplication

n×y
n×2 42995656
n×3 64493484
n×4 85991312
n×5 107489140

Division

n÷y
n÷2 10748914
n÷3 7165942.6666667
n÷3 5374457
n÷5 4299565.6

Exponentiation

ny
n2 462156608717584
n3 9.9353632832739E+21
n4 2.1358873098134E+29
n5 4.5916938013751E+36

Nth Root

y√n
2√n 4636.5750290489
3√n 278.05552433728
4√n 68.092400670331
5√n 29.273787556016

Divisors of 21497828

1, 2, 4, 11, 22, 44, 121, 242, 484, 44417, 88834, 177668, 488587, 977174, 1954348, 5374457, 10748914, 21497828

18 divisors

τ Total Divisors 18
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21497827
Sum of the proper positive divisors of n
A Arithmetic Mean 0.055555555555556
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 18
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21497828 can be divided by 18 positive divisors. The sum of these divisors (counting 21497828) is 1, the average is 0.055555555555556.

Base conversion 21497828

Base System Value
2 Binary 1010010000000011111100100
3 Ternary 1111110012110212
4 Quaternary 1102000133210
5 Quinary 21000412303
6 Senary 2044434552
8 Octal 122003744
10 Decimal 21497828
12 Duodecimal 7248a58
16 Hexadecimal 14807e4
20 Vigesimal 6e74b8
36 Base36 csrtw

Cryptographic Hash Functions

md5 c46d9f7c285020e956a989639efc1583
sha1 95b3cb64ba49a1b88ffa70dd4a0608d9e270913e
sha256 ffebae540315833cc8d69e83b9686701966f823a9d20160a8b302bae58c7ce35
sha512 47af41240f6a5802e9e268d9428a1f7a7fcc9c0e82845b33575f80f6ca356f19938e41590d76fe83a2a2ff7ade0c770e1556a14bba6087849d46a8a8037d05fc
ripemd-160 45ae0f669f62be26d1844fb66d9e7cb02081e1cf

21497828 as geometric shapes

Circle

Radius = n
Diameter 42995656
Circumference 135074837.02587
Area 1.4519078067551E+15

Sphere

Radius = n
Volume 4.1617152401972E+22
Surface area 5.8076312270205E+15
Circumference 135074837.02587

Square

Length = n
Perimeter 85991312
Area 462156608717584
Diagonal 30402519.919164

Cube

Length = n
Surface area 2772939652305504
Volume 9.9353632832739E+21
Space diagonal 37235330.348377

Equilateral Triangle

Length = n
Perimeter 64493484
Area 2.0011968183815E+14
Altitude 18617665.174188

Triangular Pyramid

Length = n
Surface area 2.0011968183815E+14
Volume 1.1708937918591E+21
Height 10134173.306388