21821907 (number)

21821907 is an odd 8-digits composite number following 21821906 and preceding 21821908. In scientific notation, it is written as 2.1821907 × 10^7. The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors. There are 14521320 positive integers (up to 21821907) that are relatively prime to 21821907.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1821907 × 10^7
Engineering notation 2.1821907 × 10^6

Prime Factorization of 21821907

Prime Factorization 3 × 571 × 12739

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21821907
Product of the distinct prime numbers

The prime factorization of 21821907 is 3 × 571 × 12739. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21821907)

Multiplication

n×y
n×2 43643814
n×3 65465721
n×4 87287628
n×5 109109535

Division

n÷y
n÷2 10910953.5
n÷3 7273969
n÷3 5455476.75
n÷5 4364381.4

Exponentiation

ny
n2 476195625116649
n3 1.0391496645102E+22
n4 2.2676227338024E+29
n5 4.9483852408121E+36

Nth Root

y√n
2√n 4671.3924048403
3√n 279.44578725657
4√n 68.347585215868
5√n 29.361520374752

Divisors of 21821907

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 -21821906
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 21821907 can be divided by 8 positive divisors. The sum of these divisors (counting 21821907) is 1, the average is 0.125.

Base conversion 21821907

Base System Value
2 Binary 1010011001111100111010011
3 Ternary 1112001200000210
4 Quaternary 1103033213103
5 Quinary 21041300112
6 Senary 2055415203
8 Octal 123174723
10 Decimal 21821907
12 Duodecimal 7384503
16 Hexadecimal 14cf9d3
20 Vigesimal 6g7ef7
36 Base36 czpw3

Cryptographic Hash Functions

md5 6a5fd8c2d14a8bdc915bfa7253a4ad56
sha1 8dc336581023e217cc1253e1a0c68999d6f5d2e8
sha256 0bf1b2d46123492b3559f6f0476021cfb34e1b8b1318a59d30bbc84d53ac210e
sha512 d60ab5501dd43e75eb4ec8a38c76153577e19c24320db77a8a7e1151a6fd17a1ba543593b5bfcdef67eb27176f9f4cbff3962d5e52d08b45a3963055dca22190
ripemd-160 6fecb85642bcbdfd238dadbb44b5781ff4a1a414

21821907 as geometric shapes

Circle

Radius = n
Diameter 43643814
Circumference 137111085.43704
Area 1.4960126775381E+15

Sphere

Radius = n
Volume 4.3527799360075E+22
Surface area 5.9840507101523E+15
Circumference 137111085.43704

Square

Length = n
Perimeter 87287628
Area 476195625116649
Diagonal 30860836.836244

Cube

Length = n
Surface area 2857173750699894
Volume 1.0391496645102E+22
Space diagonal 37796651.642043

Equilateral Triangle

Length = n
Perimeter 65465721
Area 2.0619875426101E+14
Altitude 18898325.821021

Triangular Pyramid

Length = n
Surface area 2.0619875426101E+14
Volume 1.2246496240715E+21
Height 10286945.612081