21689901 (number)

21689901 is an odd 8-digits composite number following 21689900 and preceding 21689902. In scientific notation, it is written as 2.1689901 × 10^7. The sum of its digits is 36. It has a total of 3 prime factors and 8 positive divisors. There are 14439744 positive integers (up to 21689901) that are relatively prime to 21689901.

Interesting facts

Basic properties

Name

Name twenty-one million six hundred eighty-nine thousand nine hundred one

Notation

Scientific notation 2.1689901 × 10^7
Engineering notation 2.1689901 × 10^6

Prime Factorization of 21689901

Prime Factorization 9 × 1033 × 2333

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21689901
Product of the distinct prime numbers

The prime factorization of 21689901 is 9 × 1033 × 2333. Since it has a total of 3 prime factors.

Most popular turbo-numbers

8, 8, 67, 77, 90, 640, 1961, 4892, 15542, 2921, 56949, 505580, 6475490, 1453086, 70689521, 45161381, 348368905, 912202254, 2258103248, 1841726801

Basic calculations (n = 21689901)

Multiplication

n×y
n×2 43379802
n×3 65069703
n×4 86759604
n×5 108449505

Division

n÷y
n÷2 10844950.5
n÷3 7229967
n÷3 5422475.25
n÷5 4337980.2

Exponentiation

ny
n2 470451805389801
n3 1.0204053084176E+22
n4 2.2132490119452E+29
n5 4.800515195744E+36

Nth Root

y√n
2√n 4657.2417802815
3√n 278.8811688036
4√n 68.243987136462
5√n 29.325911117151

Divisors of 21689901

1, 9, 1033, 2333, 9297, 20997, 2409989, 21689901

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 -21689900
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 21689901 can be divided by 8 positive divisors. The sum of these divisors (counting 21689901) is 1, the average is 0.125.

Base conversion 21689901

Base System Value
2 Binary 1010010101111011000101101
3 Ternary 1111210221221200
4 Quaternary 1102233120231
5 Quinary 21023034101
6 Senary 2052520113
8 Octal 122573055
10 Decimal 21689901
12 Duodecimal 7320039
16 Hexadecimal 14af62d
20 Vigesimal 6fb4f1
36 Base36 cww19

Cryptographic Hash Functions

md5 1344aab1e3aa1a53dfb97e388ce0c143
sha1 9b7f59d7b9eefd66a7eb6553f331695d915b3f58
sha256 1c50fb6b0ba5f9bf8086c15c3d27dcd405018261a425e06d540ad0aac144fddf
sha512 8849b458d09b9013ab84d90ee8012d6b81143e0e074011695ba26f13793e4ae9d6f053c4a435de1545dea463cff4618728f597d016c369737df2e2aeaec4212e
ripemd-160 ab5f8a8624a4a6a0db5f9d6524b931cb9884f052

21689901 as geometric shapes

Circle

Radius = n
Diameter 43379802
Circumference 136281667.27738
Area 1.4779679356807E+15

Sphere

Radius = n
Volume 4.2742637608117E+22
Surface area 5.9118717427226E+15
Circumference 136281667.27738

Square

Length = n
Perimeter 86759604
Area 470451805389801
Diagonal 30674152.16073

Cube

Length = n
Surface area 2822710832338806
Volume 1.0204053084176E+22
Space diagonal 37568010.543139

Equilateral Triangle

Length = n
Perimeter 65069703
Area 2.0371160736191E+14
Altitude 18784005.271569

Triangular Pyramid

Length = n
Surface area 2.0371160736191E+14
Volume 1.2025591885681E+21
Height 10224717.38691