21497830 (number)

21497830 is an even 8-digits composite number following 21497829 and preceding 21497831. In scientific notation, it is written as 2.1497830 × 10^7. The sum of its digits is 34. It has a total of 5 prime factors and 32 positive divisors. There are 8332512 positive integers (up to 21497830) that are relatively prime to 21497830.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1497830 × 10^7
Engineering notation 2.1497830 × 10^6

Prime Factorization of 21497830

Prime Factorization 2 × 5 × 59 × 439 × 83

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 21497830
Product of the distinct prime numbers

The prime factorization of 21497830 is 2 × 5 × 59 × 439 × 83. Since it has a total of 5 prime factors.

Most popular turbo-numbers

10, 8, 76, 54, 692, 735, 4860, 6696, 87249, 86849, 647570, 275121, 3495513, 2175696, 27917690, 58563264, 393720267, 737544162, 4844697870, 842141949

Basic calculations (n = 21497830)

Multiplication

n×y
n×2 42995660
n×3 64493490
n×4 85991320
n×5 107489150

Division

n÷y
n÷2 10748915
n÷3 7165943.3333333
n÷3 5374457.5
n÷5 4299566

Exponentiation

ny
n2 462156694708900
n3 9.9353660562138E+21
n4 2.1358881046426E+29
n5 4.5916959372628E+36

Nth Root

y√n
2√n 4636.5752447254
3√n 278.05553296003
4√n 68.092402254035
5√n 29.2737881007

Divisors of 21497830

1, 2, 5, 10, 59, 83, 118, 166, 295, 415, 439, 590, 830, 878, 2195, 4390, 4897, 9794, 24485, 25901, 36437, 48970, 51802, 72874, 129505, 182185, 259010, 364370, 2149783, 4299566, 10748915, 21497830

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21497829
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21497830 can be divided by 32 positive divisors. The sum of these divisors (counting 21497830) is 1, the average is 0.03125.

Base conversion 21497830

Base System Value
2 Binary 1010010000000011111100110
3 Ternary 1111110012110221
4 Quaternary 1102000133212
5 Quinary 21000412310
6 Senary 2044434554
8 Octal 122003746
10 Decimal 21497830
12 Duodecimal 7248a5a
16 Hexadecimal 14807e6
20 Vigesimal 6e74ba
36 Base36 csrty

Cryptographic Hash Functions

md5 e3fd3a3553b0de7492abbb9d6c5e87a3
sha1 8fd2d170b578555f65eec8e4e2af93ec3d9ece96
sha256 e3ed21cccd76cda02de3e6983447dffc65ead2e8e49d1721373f7ede3e7d7332
sha512 079cfbbe7ab7c8252fabe49b1cf528ae091cab5624742d2223319d178ceae9c02f75c38639130b59fb7d147e40874d5fec566b2145174da82b7124010d83374a
ripemd-160 786ff0b4d4f5a2527f6c0fbc1f5ffcf7b131fade

21497830 as geometric shapes

Circle

Radius = n
Diameter 42995660
Circumference 135074849.59224
Area 1.4519080769048E+15

Sphere

Radius = n
Volume 4.1617164017236E+22
Surface area 5.8076323076193E+15
Circumference 135074849.59224

Square

Length = n
Perimeter 85991320
Area 462156694708900
Diagonal 30402522.747591

Cube

Length = n
Surface area 2772940168253400
Volume 9.9353660562138E+21
Space diagonal 37235333.812478

Equilateral Triangle

Length = n
Perimeter 64493490
Area 2.0011971907348E+14
Altitude 18617666.906239

Triangular Pyramid

Length = n
Surface area 2.0011971907348E+14
Volume 1.1708941186532E+21
Height 10134174.249197