21861007 (number)

21861007 is an odd 8-digits composite number following 21861006 and preceding 21861008. In scientific notation, it is written as 2.1861007 × 10^7. The sum of its digits is 25. It has a total of 4 prime factors and 12 positive divisors. There are 18681936 positive integers (up to 21861007) that are relatively prime to 21861007.

Interesting facts

Basic properties

Name

Name twenty-one million eight hundred sixty-one thousand seven

Notation

Scientific notation 2.1861007 × 10^7
Engineering notation 2.1861007 × 10^6

Prime Factorization of 21861007

Prime Factorization 7 × 7 × 659 × 677

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 3123001
Product of the distinct prime numbers

The prime factorization of 21861007 is 7 × 7 × 659 × 677. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21861007)

Multiplication

n×y
n×2 43722014
n×3 65583021
n×4 87444028
n×5 109305035

Division

n÷y
n÷2 10930503.5
n÷3 7287002.3333333
n÷3 5465251.75
n÷5 4372201.4

Exponentiation

ny
n2 477903627054049
n3 1.0447454536354E+22
n4 2.2839187675142E+29
n5 4.9928764164058E+36

Nth Root

y√n
2√n 4675.575579541
3√n 279.61258922182
4√n 68.378180580804
5√n 29.3720347035

Divisors of 21861007

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21861006
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21861007 can be divided by 12 positive divisors. The sum of these divisors (counting 21861007) is 1, the average is 0.083333333333333.

Base conversion 21861007

Base System Value
2 Binary 1010011011001001010001111
3 Ternary 1112010122122221
4 Quaternary 1103121022033
5 Quinary 21044023012
6 Senary 2100320211
8 Octal 123311217
10 Decimal 21861007
12 Duodecimal 73a3067
16 Hexadecimal 14d928f
20 Vigesimal 6gcca7
36 Base36 d0k27

Cryptographic Hash Functions

md5 0c5e8c365aa0745cb92c31455bc221c7
sha1 452c81a9c401350335ab02beb8510cee0637c61d
sha256 74fa8eb8e10109092442b0cc6a49568859b6be3da87fe96d47218949a8d0a752
sha512 f3b9d2895b8266bf97971be2f2e2c04ebd6348edb9352b7b65dae1fe36b6b7272461a03b83d644029c78dcd5003ad8acf928553ae0bc13182a1729da77dbf09a
ripemd-160 915e0eed8ced9a97843fbe9d9d708d5b79c18447

21861007 as geometric shapes

Circle

Radius = n
Diameter 43722014
Circumference 137356757.98255
Area 1.5013785238769E+15

Sphere

Radius = n
Volume 4.3762195226831E+22
Surface area 6.0055140955077E+15
Circumference 137356757.98255

Square

Length = n
Perimeter 87444028
Area 477903627054049
Diagonal 30916132.586533

Cube

Length = n
Surface area 2867421762324294
Volume 1.0447454536354E+22
Space diagonal 37864374.828619

Equilateral Triangle

Length = n
Perimeter 65583021
Area 2.0693834079477E+14
Altitude 18932187.414309

Triangular Pyramid

Length = n
Surface area 2.0693834079477E+14
Volume 1.231244324799E+21
Height 10305377.528844