21490907 (number)

21490907 is an odd 8-digits composite number following 21490906 and preceding 21490908. In scientific notation, it is written as 2.1490907 × 10^7. The sum of its digits is 32. It has a total of 3 prime factors and 6 positive divisors. There are 20226464 positive integers (up to 21490907) that are relatively prime to 21490907.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety thousand nine hundred seven

Notation

Scientific notation 2.1490907 × 10^7
Engineering notation 2.1490907 × 10^6

Prime Factorization of 21490907

Prime Factorization 17 × 17 × 74363

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 1264171
Product of the distinct prime numbers

The prime factorization of 21490907 is 17 × 17 × 74363. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21490907)

Multiplication

n×y
n×2 42981814
n×3 64472721
n×4 85963628
n×5 107454535

Division

n÷y
n÷2 10745453.5
n÷3 7163635.6666667
n÷3 5372726.75
n÷5 4298181.4

Exponentiation

ny
n2 461859083682649
n3 9.925770614529E+21
n4 2.1331381318018E+29
n5 4.5843073208705E+36

Nth Root

y√n
2√n 4635.8286206459
3√n 278.02568211575
4√n 68.086919600213
5√n 29.271902435536

Divisors of 21490907

6 divisors

τ Total Divisors 6
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21490906
Sum of the proper positive divisors of n
A Arithmetic Mean 0.16666666666667
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 6
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21490907 can be divided by 6 positive divisors. The sum of these divisors (counting 21490907) is 1, the average is 0.16666666666667.

Base conversion 21490907

Base System Value
2 Binary 1010001111110110011011011
3 Ternary 1111102211222112
4 Quaternary 1101332303123
5 Quinary 21000202112
6 Senary 2044342535
8 Octal 121766333
10 Decimal 21490907
12 Duodecimal 7244a4b
16 Hexadecimal 147ecdb
20 Vigesimal 6e6757
36 Base36 csmhn

Cryptographic Hash Functions

md5 b61c2fcb5ccd17f94ead683baf09df8f
sha1 5cb8387eac4d0eaa452deb6ed27c01fc2b1d3b35
sha256 1f38bb05b4aa71eb23b1fdd889b136440cb035857446ac0ca4457831917e4a96
sha512 263473204c28ae7aae4cdb508adc1863a0741965d8776d928813ce7286fd51e4c0292659181a31004b04e6a49680a580eff441334bf80068eb68b96c43cbbe8c
ripemd-160 41cdbef4dd3be2362c3ba6e5af447a20c83363f3

21490907 as geometric shapes

Circle

Radius = n
Diameter 42981814
Circumference 135031351.10036
Area 1.4509731042911E+15

Sphere

Radius = n
Volume 4.1576970725096E+22
Surface area 5.8038924171645E+15
Circumference 135031351.10036

Square

Length = n
Perimeter 85963628
Area 461859083682649
Diagonal 30392732.147099

Cube

Length = n
Surface area 2771154502095894
Volume 9.925770614529E+21
Space diagonal 37223342.824738

Equilateral Triangle

Length = n
Perimeter 64472721
Area 1.9999084971889E+14
Altitude 18611671.412369

Triangular Pyramid

Length = n
Surface area 1.9999084971889E+14
Volume 1.1697632850059E+21
Height 10130910.7157