21446985 (number)

21446985 is an odd 8-digits composite number following 21446984 and preceding 21446986. In scientific notation, it is written as 2.1446985 × 10^7. The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors. There are 9734400 positive integers (up to 21446985) that are relatively prime to 21446985.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred forty-six thousand nine hundred eighty-five

Notation

Scientific notation 2.1446985 × 10^7
Engineering notation 2.1446985 × 10^6

Prime Factorization of 21446985

Prime Factorization 105 × 157 × 1301

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21446985
Product of the distinct prime numbers

The prime factorization of 21446985 is 105 × 157 × 1301. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21446985)

Multiplication

n×y
n×2 42893970
n×3 64340955
n×4 85787940
n×5 107234925

Division

n÷y
n÷2 10723492.5
n÷3 7148995
n÷3 5361746.25
n÷5 4289397

Exponentiation

ny
n2 459973165590225
n3 9.8650375828161E+21
n4 2.1157531306309E+29
n5 4.5376525656345E+36

Nth Root

y√n
2√n 4631.0889648116
3√n 277.83614811878
4√n 68.052104778703
5√n 29.259927763343

Divisors of 21446985

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 -21446984
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 21446985 can be divided by 8 positive divisors. The sum of these divisors (counting 21446985) is 1, the average is 0.125.

Base conversion 21446985

Base System Value
2 Binary 1010001110100000101001001
3 Ternary 1111100121201210
4 Quaternary 1101310011021
5 Quinary 20442300420
6 Senary 2043403333
8 Octal 121640511
10 Decimal 21446985
12 Duodecimal 7223549
16 Hexadecimal 1474149
20 Vigesimal 6e0h95
36 Base36 croll

Cryptographic Hash Functions

md5 0ee35f02eaa7998500118ed2d13085f1
sha1 530d75e2e1bc304735a11450ae562dc633a4f67d
sha256 46b842d08095a03381684a21dac762705dcba1b3a8b511e959a421693665be79
sha512 c44d9ba2217a78153b79952e3029b03fd922d4aabf86da538ad506d30103ccf9b8f9690aff40fbbe1b0c382d84c243b1500b42f2356da38b42f76f0ea4399f1d
ripemd-160 81ab7eac6e0f169582acb5e3b35a5868a826fe05

21446985 as geometric shapes

Circle

Radius = n
Diameter 42893970
Circumference 134755381.0353
Area 1.4450483178667E+15

Sphere

Radius = n
Volume 4.132257279675E+22
Surface area 5.7801932714668E+15
Circumference 134755381.0353

Square

Length = n
Perimeter 85787940
Area 459973165590225
Diagonal 30330617.059012

Cube

Length = n
Surface area 2759838993541350
Volume 9.8650375828161E+21
Space diagonal 37147267.689168

Equilateral Triangle

Length = n
Perimeter 64340955
Area 1.9917422323014E+14
Altitude 18573633.844584

Triangular Pyramid

Length = n
Surface area 1.9917422323014E+14
Volume 1.1626058285782E+21
Height 10110205.686337