Max	9223372036854775807
25835	Positive integer
0b10001100	Binary number
01771452	Octal number
0x129abf	Hex number
5.012 * 10^7	Scientific notation
2^4 * 5	Factorized form
*	Random number

21690745 (number)

21690745 is an odd 8-digits composite number following 21690744 and preceding 21690746. In scientific notation, it is written as 2.1690745 × 10^7. The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors. There are 17332656 positive integers (up to 21690745) that are relatively prime to 21690745.

Interesting facts

21690745 has 8 divisors, whose sum is 26058816
The reverse of 21690745 is 54709612
Previous prime number is 1123

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7

Name

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

Notation

Scientific notation	2.1690745 × 10^7
Engineering notation	2.1690745 × 10^6

Prime Factorization of 21690745

Prime Factorization 5 × 1123 × 3863

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21690745	Product of the distinct prime numbers

The prime factorization of 21690745 is 5 × 1123 × 3863. Since it has a total of 3 prime factors.

Most popular turbo-numbers

7, 4, 86, 3, 483, 50, 1759, 7355, 98575, 1155, 504160, 900845, 7241855, 7836366, 39252638, 28046332, 92620975, 505604614, 456696308, 1592866268

Basic calculations (n = 21690745)

Multiplication

n×y

n×2	43381490
n×3	65072235
n×4	86762980
n×5	108453725

Division

n÷y

n÷2	10845372.5
n÷3	7230248.3333333
n÷3	5422686.25
n÷5	4338149

Exponentiation

n^y

n²	470488418655025
n³	1.0205244314499E+22
n⁴	2.2135935208851E+29
n⁵	4.801449259517E+36

Nth Root

^y√n

²√n	4657.3323909723
³√n	278.88478604239
⁴√n	68.244651006305
⁵√n	29.326139340265

Divisors of 21690745

1, 5, 1123, 3863, 5615, 19315, 4338149, 21690745

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	-21690744	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 21690745 can be divided by 8 positive divisors. The sum of these divisors (counting 21690745) is 1, the average is 0.125.

Base conversion 21690745

Base	System	Value
2	Binary	1010010101111100101111001
3	Ternary	1111211000002221
4	Quaternary	1102233211321
5	Quinary	21023100440
6	Senary	2052524041
8	Octal	122574571
10	Decimal	21690745
12	Duodecimal	7320621
16	Hexadecimal	14af979
20	Vigesimal	6fb6h5
36	Base36	cwwop

Cryptographic Hash Functions

md5	a0c06d46156bf081f24be3968ea4e0da
sha1	7a6252b09ddba23385eee2411b7fe28d2cbf20bf
sha256	65b5b7e677db1601d381dc6296de0fe8fd37488337e0e0e70b394147fbd7d7a1
sha512	b96f54d7e43857339064e21bba963362b5af154946c29ea4fee6ef98ffc17f593c159a0e45df196f1bbca694e417e86b88e95e52519184f034a5b4b18adacc60
ripemd-160	1710bc565bd4d64d21684b8afcbd4f31747cb798

21690745 as geometric shapes

Circle

Radius = n

Diameter	43381490
Circumference	136286970.28578
Area	1.4780829596457E+15

Sphere

Radius = n

Volume	4.2747627422027E+22
Surface area	5.9123318385828E+15
Circumference	136286970.28578

Square

Length = n

Perimeter	86762980
Area	470488418655025
Diagonal	30675345.756976

Cube

Length = n

Surface area	2822930511930150
Volume	1.0205244314499E+22
Space diagonal	37569472.394021

Equilateral Triangle

Length = n

Perimeter	65072235
Area	2.0372746137081E+14
Altitude	18784736.19701

Triangular Pyramid

Length = n

Surface area	2.0372746137081E+14
Volume	1.202699576408E+21
Height	10225115.252325