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

21491377 (number)

21491377 is an odd 8-digits composite number following 21491376 and preceding 21491378. In scientific notation, it is written as 2.1491377 × 10^7. The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors. There are 21348900 positive integers (up to 21491377) that are relatively prime to 21491377.

Interesting facts

21491377 has 4 divisors, whose sum is 21633856
The reverse of 21491377 is 77319412
Previous prime number is 151

Basic properties

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

Name

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

Notation

Scientific notation	2.1491377 × 10^7
Engineering notation	2.1491377 × 10^6

Prime Factorization of 21491377

Prime Factorization 151 × 142327

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21491377	Product of the distinct prime numbers

The prime factorization of 21491377 is 151 × 142327. Since it has a total of 2 prime factors.

Most popular turbo-numbers

10, 3, 77, 89, 389, 870, 9599, 1517, 47406, 20065, 211273, 559952, 6284609, 8249970, 25674463, 52470408, 825875631, 151764050, 2933131176, 7830513416

Basic calculations (n = 21491377)

Multiplication

n×y

n×2	42982754
n×3	64474131
n×4	85965508
n×5	107456885

Division

n÷y

n÷2	10745688.5
n÷3	7163792.3333333
n÷3	5372844.25
n÷5	4298275.4

Exponentiation

n^y

n²	461879285356129
n³	9.9264218500791E+21
n⁴	2.1333247424109E+29
n⁵	4.584808630258E+36

Nth Root

^y√n

²√n	4635.8793124929
³√n	278.02770888174
⁴√n	68.087291857533
⁵√n	29.272030468046

Divisors of 21491377

1, 151, 142327, 21491377

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	-21491376	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 21491377 can be divided by 4 positive divisors. The sum of these divisors (counting 21491377) is 1, the average is 0.25.

Base conversion 21491377

Base	System	Value
2	Binary	1010001111110111010110001
3	Ternary	1111102212121221
4	Quaternary	1101332322301
5	Quinary	21000211002
6	Senary	2044345041
8	Octal	121767261
10	Decimal	21491377
12	Duodecimal	7245181
16	Hexadecimal	147eeb1
20	Vigesimal	6e688h
36	Base36	csmup

Cryptographic Hash Functions

md5	c6515240d40bd85e879229ee99f74cec
sha1	ec59dc86e7f050f76a4ced725c8f10c8ebcd9b21
sha256	f9d97087f870f50aa27dfbc06654b84bc50e3688379507c21de0265a432b8e79
sha512	b3af6105510739a269ca23e2782c5e57968dcc6bb38cadebf2283fa75a98583fe0dfe5c1a962beedcbf2ba6c958f1daafc228fb09bc99eca3e5081ead20f9a51
ripemd-160	147598edba0f9a3361f8a7923df7af3fda8e0b42

21491377 as geometric shapes

Circle

Radius = n

Diameter	42982754
Circumference	135034304.19746
Area	1.4510365697201E+15

Sphere

Radius = n

Volume	4.1579698614189E+22
Surface area	5.8041462788805E+15
Circumference	135034304.19746

Square

Length = n

Perimeter	85965508
Area	461879285356129
Diagonal	30393396.827473

Cube

Length = n

Surface area	2771275712136774
Volume	9.9264218500791E+21
Space diagonal	37224156.888617

Equilateral Triangle

Length = n

Perimeter	64474131
Area	1.999995973001E+14
Altitude	18612078.444309

Triangular Pyramid

Length = n

Surface area	1.999995973001E+14
Volume	1.1698400338515E+21
Height	10131132.275824