21698894 (number)

21698894 is an even 8-digits composite number following 21698893 and preceding 21698895. In scientific notation, it is written as 2.1698894 × 10^7. The sum of its digits is 47. It has a total of 3 prime factors and 8 positive divisors. There are 9299520 positive integers (up to 21698894) that are relatively prime to 21698894.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1698894 × 10^7
Engineering notation 2.1698894 × 10^6

Prime Factorization of 21698894

Prime Factorization 2 × 7 × 1549921

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21698894
Product of the distinct prime numbers

The prime factorization of 21698894 is 2 × 7 × 1549921. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21698894)

Multiplication

n×y
n×2 43397788
n×3 65096682
n×4 86795576
n×5 108494470

Division

n÷y
n÷2 10849447
n÷3 7232964.6666667
n÷3 5424723.5
n÷5 4339778.8

Exponentiation

ny
n2 470842000823236
n3 1.0216750666611E+22
n4 2.2169218973923E+29
n5 4.8104753257794E+36

Nth Root

y√n
2√n 4658.2071658525
3√n 278.91970642862
4√n 68.251059814867
5√n 29.328342517747

Divisors of 21698894

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 -21698893
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 21698894 can be divided by 8 positive divisors. The sum of these divisors (counting 21698894) is 1, the average is 0.125.

Base conversion 21698894

Base System Value
2 Binary 1010010110001100101001110
3 Ternary 1111211102021202
4 Quaternary 1102301211032
5 Quinary 21023331034
6 Senary 2053025502
8 Octal 122614516
10 Decimal 21698894
12 Duodecimal 7325292
16 Hexadecimal 14b194e
20 Vigesimal 6fc74e
36 Base36 cx2z2

Cryptographic Hash Functions

md5 233b58ec3f021802817d5fbf7e60ec0b
sha1 8abdefa92742e995a4269a4427fd2415518971ff
sha256 cbb4c7616f966b56c11ebc7bbd0a3e20b267840e69ff45fd45b154e25e231789
sha512 6042433aa120e59b8064dc3ed7bb17029b745ba8c569259d9e3ad4b47b3d0883b32b0b360266c4c41fc0d48f4c62fdc24362a849e44a6bb631ec8109a2b37112
ripemd-160 b4287c80c5ecf1d2f572becb6280872a2fd016d0

21698894 as geometric shapes

Circle

Radius = n
Diameter 43397788
Circumference 136338171.96285
Area 1.4791937707878E+15

Sphere

Radius = n
Volume 4.2795825117046E+22
Surface area 5.9167750831512E+15
Circumference 136338171.96285

Square

Length = n
Perimeter 86795576
Area 470842000823236
Diagonal 30686870.183296

Cube

Length = n
Surface area 2825052004939416
Volume 1.0216750666611E+22
Space diagonal 37583586.876051

Equilateral Triangle

Length = n
Perimeter 65096682
Area 2.0388056694081E+14
Altitude 18791793.438026

Triangular Pyramid

Length = n
Surface area 2.0388056694081E+14
Volume 1.2040556130088E+21
Height 10228956.727765