21495864 (number)

21495864 is an even 8-digits composite number following 21495863 and preceding 21495865. In scientific notation, it is written as 2.1495864 × 10^7. The sum of its digits is 39. It has a total of 5 prime factors and 16 positive divisors. There are 6614016 positive integers (up to 21495864) that are relatively prime to 21495864.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety-five thousand eight hundred sixty-four

Notation

Scientific notation 2.1495864 × 10^7
Engineering notation 2.1495864 × 10^6

Prime Factorization of 21495864

Prime Factorization 2 × 2 × 2 × 39 × 68897

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 5373966
Product of the distinct prime numbers

The prime factorization of 21495864 is 2 × 2 × 2 × 39 × 68897. Since it has a total of 5 prime factors.

Most popular turbo-numbers

6, 10, 26, 4, 969, 779, 6862, 1258, 63618, 41033, 738172, 279397, 5126608, 4515787, 29292022, 63450694, 465383134, 662978837, 6934905907, 3185969583

Basic calculations (n = 21495864)

Multiplication

n×y
n×2 42991728
n×3 64487592
n×4 85983456
n×5 107479320

Division

n÷y
n÷2 10747932
n÷3 7165288
n÷3 5373966
n÷5 4299172.8

Exponentiation

ny
n2 462072169106496
n3 9.9326405052982E+21
n4 2.1351068946278E+29
n5 4.5895967432382E+36

Nth Root

y√n
2√n 4636.3632299465
3√n 278.04705654105
4√n 68.090845419531
5√n 29.273252657143

Divisors of 21495864

1, 2, 4, 8, 39, 78, 156, 312, 68897, 137794, 275588, 551176, 2686983, 5373966, 10747932, 21495864

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21495863
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21495864 can be divided by 16 positive divisors. The sum of these divisors (counting 21495864) is 1, the average is 0.0625.

Base conversion 21495864

Base System Value
2 Binary 1010010000000000000111000
3 Ternary 1111110002210010
4 Quaternary 1102000000320
5 Quinary 21000331424
6 Senary 2044421520
8 Octal 122000070
10 Decimal 21495864
12 Duodecimal 72478a0
16 Hexadecimal 1480038
20 Vigesimal 6e6jd4
36 Base36 csqbc

Cryptographic Hash Functions

md5 da602a4064084504629a1c58d4960374
sha1 9fb89f3e5b05b12e56b7023b338717342988a3a6
sha256 fb594c459c8c2267373ba89c60c6b4713f93089291d9b7304ba48d462a07a750
sha512 e699d521e99117b4d526bc447da2bc331fc7411cd548cf2d21b948629802505ebb049e170df16524ebb47a302fb8c5c5b51487a1b024c0594928c0f8ad204c8d
ripemd-160 be4cbd60c9ebfd5b16b0810a5443dab4a58b7170

21495864 as geometric shapes

Circle

Radius = n
Diameter 42991728
Circumference 135062496.84993
Area 1.4516425318933E+15

Sphere

Radius = n
Volume 4.1605747256258E+22
Surface area 5.8065701275731E+15
Circumference 135062496.84993

Square

Length = n
Perimeter 85983456
Area 462072169106496
Diagonal 30399742.403728

Cube

Length = n
Surface area 2772433014638976
Volume 9.9326405052982E+21
Space diagonal 37231928.600591

Equilateral Triangle

Length = n
Perimeter 64487592
Area 2.00083118414E+14
Altitude 18615964.300295

Triangular Pyramid

Length = n
Surface area 2.00083118414E+14
Volume 1.1705729093974E+21
Height 10133247.467909