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

21491374 (number)

21491374 is an even 8-digits composite number following 21491373 and preceding 21491375. In scientific notation, it is written as 2.1491374 × 10^7. The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors. There are 10745686 positive integers (up to 21491374) that are relatively prime to 21491374.

Interesting facts

21491374 has 4 divisors, whose sum is 32237064
The reverse of 21491374 is 47319412
Previous prime number is 2

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4

Name

Name	twenty-one million four hundred ninety-one thousand three hundred seventy-four

Notation

Scientific notation	2.1491374 × 10^7
Engineering notation	2.1491374 × 10^6

Prime Factorization of 21491374

Prime Factorization 2 × 10745687

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21491374	Product of the distinct prime numbers

The prime factorization of 21491374 is 2 × 10745687. Since it has a total of 2 prime factors.

Most popular turbo-numbers

7, 5, 97, 61, 438, 369, 7195, 2499, 41805, 8913, 853879, 347696, 1005276, 8402732, 45631026, 9555664, 531212008, 667886910, 2631137594, 4817842312

Basic calculations (n = 21491374)

Multiplication

n×y

n×2	42982748
n×3	64474122
n×4	85965496
n×5	107456870

Division

n÷y

n÷2	10745687
n÷3	7163791.3333333
n÷3	5372843.5
n÷5	4298274.8

Exponentiation

n^y

n²	461879156407876
n³	9.9264176931662E+21
n⁴	2.1333235512405E+29
n⁵	4.5848054302718E+36

Nth Root

^y√n

²√n	4635.8789889297
³√n	278.02769594503
⁴√n	68.087289481442
⁵√n	29.272029650824

Divisors of 21491374

1, 2, 10745687, 21491374

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	-21491373	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 21491374 can be divided by 4 positive divisors. The sum of these divisors (counting 21491374) is 1, the average is 0.25.

Base conversion 21491374

Base	System	Value
2	Binary	1010001111110111010101110
3	Ternary	1111102212121211
4	Quaternary	1101332322232
5	Quinary	21000210444
6	Senary	2044345034
8	Octal	121767256
10	Decimal	21491374
12	Duodecimal	724517a
16	Hexadecimal	147eeae
20	Vigesimal	6e688e
36	Base36	csmum

Cryptographic Hash Functions

md5	630d7345df930f5a928e21dfc4777b6d
sha1	69e99fc694b811def07816e74d569cb283ba60ed
sha256	0678aef23c7f50b0feaf276da768b4708e344ea84d8e5762127a6247aa72342c
sha512	85cbdc5d950918daebcd66412ec6c8887103d885af669b552302d799ebd4eb47f5da842020da8667b9b39d78f691e6e8f68fe7ac38f73f8e15b5452e04740809
ripemd-160	ded37445742a93cea0c32e5a0b0baa3d0c093c94

21491374 as geometric shapes

Circle

Radius = n

Diameter	42982748
Circumference	135034285.3479
Area	1.4510361646172E+15

Sphere

Radius = n

Volume	4.1579681201753E+22
Surface area	5.8041446584689E+15
Circumference	135034285.3479

Square

Length = n

Perimeter	85965496
Area	461879156407876
Diagonal	30393392.584833

Cube

Length = n

Surface area	2771274938447256
Volume	9.9264176931662E+21
Space diagonal	37224151.692465

Equilateral Triangle

Length = n

Perimeter	64474122
Area	1.9999954146387E+14
Altitude	18612075.846232

Triangular Pyramid

Length = n

Surface area	1.9999954146387E+14
Volume	1.1698395439547E+21
Height	10131130.861611