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

21690749 (number)

21690749 is an odd 8-digits composite number following 21690748 and preceding 21690750. In scientific notation, it is written as 2.1690749 × 10^7. The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors. There are 21643836 positive integers (up to 21690749) that are relatively prime to 21690749.

Interesting facts

21690749 has 4 divisors, whose sum is 21737664
The reverse of 21690749 is 94709612
Previous prime number is 467

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2

Name

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

Notation

Scientific notation	2.1690749 × 10^7
Engineering notation	2.1690749 × 10^6

Prime Factorization of 21690749

Prime Factorization 467 × 46447

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21690749	Product of the distinct prime numbers

The prime factorization of 21690749 is 467 × 46447. Since it has a total of 2 prime factors.

Most popular turbo-numbers

4, 10, 18, 33, 377, 305, 9614, 9853, 64344, 83037, 713205, 392724, 6205335, 1037039, 27171105, 81267292, 810795503, 766803036, 8114684403, 2009203588

Basic calculations (n = 21690749)

Multiplication

n×y

n×2	43381498
n×3	65072247
n×4	86762996
n×5	108453745

Division

n÷y

n÷2	10845374.5
n÷3	7230249.6666667
n÷3	5422687.25
n÷5	4338149.8

Exponentiation

n^y

n²	470488592181001
n³	1.0205249960361E+22
n⁴	2.2135951537246E+29
n⁵	4.8014536867057E+36

Nth Root

^y√n

²√n	4657.3328204027
³√n	278.88480318548
⁴√n	68.244654152561
⁵√n	29.326140421874

Divisors of 21690749

1, 467, 46447, 21690749

4 divisors

τ	Total Divisors	4	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-21690748	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.25	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	4	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21690749 can be divided by 4 positive divisors. The sum of these divisors (counting 21690749) is 1, the average is 0.25.

Base conversion 21690749

Base	System	Value
2	Binary	1010010101111100101111101
3	Ternary	1111211000010002
4	Quaternary	1102233211331
5	Quinary	21023100444
6	Senary	2052524045
8	Octal	122574575
10	Decimal	21690749
12	Duodecimal	7320625
16	Hexadecimal	14af97d
20	Vigesimal	6fb6h9
36	Base36	cwwot

Cryptographic Hash Functions

md5	539958c1e4bf86498a9553d87e7c5e12
sha1	32d6a81ac1101c1c59f2e7331876c0a937710e58
sha256	7df742c2a2cdbd3c8577d034d0dbb80474e1ecec31e6c92ea9c144883ab53011
sha512	9c5abd0bd823a761569661fa90fd1b6b225a536a527dd5835f6bf2f9023f00d08768156388b2fd23c42861384379ff13e2411fa06e0761ce7b562bc12ece96c9
ripemd-160	d77c7169a7770086ab7d11ecc360933b83d98359

21690749 as geometric shapes

Circle

Radius = n

Diameter	43381498
Circumference	136286995.41852
Area	1.4780835047936E+15

Sphere

Radius = n

Volume	4.2747651071359E+22
Surface area	5.9123340191745E+15
Circumference	136286995.41852

Square

Length = n

Perimeter	86762996
Area	470488592181001
Diagonal	30675351.413831

Cube

Length = n

Surface area	2822931553086006
Volume	1.0205249960361E+22
Space diagonal	37569479.322224

Equilateral Triangle

Length = n

Perimeter	65072247
Area	2.0372753650976E+14
Altitude	18784739.661112

Triangular Pyramid

Length = n

Surface area	2.0372753650976E+14
Volume	1.2027002417792E+21
Height	10225117.137944