21690742 (number)

21690742 is an even 8-digits composite number following 21690741 and preceding 21690743. In scientific notation, it is written as 2.1690742 × 10^7. The sum of its digits is 31. It has a total of 4 prime factors and 16 positive divisors. There are 9669888 positive integers (up to 21690742) that are relatively prime to 21690742.

Interesting facts

Basic properties

Name

Name twenty-one million six hundred ninety thousand seven hundred forty-two

Notation

Scientific notation 2.1690742 × 10^7
Engineering notation 2.1690742 × 10^6

Prime Factorization of 21690742

Prime Factorization 2 × 17 × 19 × 33577

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21690742
Product of the distinct prime numbers

The prime factorization of 21690742 is 2 × 17 × 19 × 33577. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21690742)

Multiplication

n×y
n×2 43381484
n×3 65072226
n×4 86762968
n×5 108453710

Division

n÷y
n÷2 10845371
n÷3 7230247.3333333
n÷3 5422685.5
n÷5 4338148.4

Exponentiation

ny
n2 470488288510564
n3 1.0205240080104E+22
n4 2.213592296256E+29
n5 4.8014459391276E+36

Nth Root

y√n
2√n 4657.3320688995
3√n 278.88477318507
4√n 68.244648646612
5√n 29.326138529058

Divisors of 21690742

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21690741
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21690742 can be divided by 16 positive divisors. The sum of these divisors (counting 21690742) is 1, the average is 0.0625.

Base conversion 21690742

Base System Value
2 Binary 1010010101111100101110110
3 Ternary 1111211000002211
4 Quaternary 1102233211312
5 Quinary 21023100432
6 Senary 2052524034
8 Octal 122574566
10 Decimal 21690742
12 Duodecimal 732061a
16 Hexadecimal 14af976
20 Vigesimal 6fb6h2
36 Base36 cwwom

Cryptographic Hash Functions

md5 fddf90ab15e742404af1d75f3d38ea1d
sha1 aa20914074b538fef0640380fc12403bff988ab6
sha256 ac0250de7d2ffdc40d45d771f9f327d52cfd2f82367792708f435d3c95503d64
sha512 d38a77c11902845745f52df117d20dd935f3ab23d81621519ebf9100545663786e2b529caaadfeeb6de9087bd20c02b4e7b9f48b29a1af29733247c9e7e930b3
ripemd-160 853d7c54b299195b3a452675faee52e5b3c4d6ef

21690742 as geometric shapes

Circle

Radius = n
Diameter 43381484
Circumference 136286951.43622
Area 1.4780825507848E+15

Sphere

Radius = n
Volume 4.2747609685034E+22
Surface area 5.9123302031393E+15
Circumference 136286951.43622

Square

Length = n
Perimeter 86762968
Area 470488288510564
Diagonal 30675341.514336

Cube

Length = n
Surface area 2822929731063384
Volume 1.0205240080104E+22
Space diagonal 37569467.197868

Equilateral Triangle

Length = n
Perimeter 65072226
Area 2.0372740501661E+14
Altitude 18784733.598934

Triangular Pyramid

Length = n
Surface area 2.0372740501661E+14
Volume 1.2026990773797E+21
Height 10225113.838112