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

21475981 (number)

21475981 is an odd 8-digits composite number following 21475980 and preceding 21475982. In scientific notation, it is written as 2.1475981 × 10^7. The sum of its digits is 37. It has a total of 3 prime factors and 8 positive divisors. There are 20175360 positive integers (up to 21475981) that are relatively prime to 21475981.

Interesting facts

21475981 has 8 divisors, whose sum is 22781304
The reverse of 21475981 is 18957412
Previous prime number is 853

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1

Name

Name	twenty-one million four hundred seventy-five thousand nine hundred eighty-one

Notation

Scientific notation	2.1475981 × 10^7
Engineering notation	2.1475981 × 10^6

Prime Factorization of 21475981

Prime Factorization 17 × 853 × 1481

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21475981	Product of the distinct prime numbers

The prime factorization of 21475981 is 17 × 853 × 1481. Since it has a total of 3 prime factors.

Most popular turbo-numbers

9, 2, 17, 74, 830, 148, 5487, 8202, 31607, 11121, 559131, 715858, 821030, 1069633, 33884984, 29242299, 805301918, 766948946, 5431753852, 4837377330

Basic calculations (n = 21475981)

Multiplication

n×y

n×2	42951962
n×3	64427943
n×4	85903924
n×5	107379905

Division

n÷y

n÷2	10737990.5
n÷3	7158660.3333333
n÷3	5368995.25
n÷5	4295196.2

Exponentiation

n^y

n²	461217759912361
n³	9.9051038487404E+21
n⁴	2.1272182205858E+29
n⁵	4.5684098088154E+36

Nth Root

^y√n

²√n	4634.2184885911
³√n	277.96130182661
⁴√n	68.075094480956
⁵√n	29.267835284297

Divisors of 21475981

1, 17, 853, 1481, 14501, 25177, 1263293, 21475981

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	-21475980	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 21475981 can be divided by 8 positive divisors. The sum of these divisors (counting 21475981) is 1, the average is 0.125.

Base conversion 21475981

Base	System	Value
2	Binary	1010001111011001010001101
3	Ternary	1111102002111201
4	Quaternary	1101323022031
5	Quinary	20444212411
6	Senary	2044145501
8	Octal	121731215
10	Decimal	21475981
12	Duodecimal	7238291
16	Hexadecimal	147b28d
20	Vigesimal	6e49j1
36	Base36	csaz1

Cryptographic Hash Functions

md5	ff4742304ad2b9eb5cde205fedabe3f8
sha1	22d6b79d9c4a516e33468d531a727e0f94dab2ba
sha256	af902a63089a1303d08ef7820f36cf8c4567cd244886f9245f3493cf6c930cb7
sha512	d54f0dc00c8b105203cd80c78b8634ccbc88ecbd8a1bacb5917c09368357c57652305d72d4d2296ac04d70f5802f853bd9682862113936081f74c0617021341a
ripemd-160	7bb45db2f71a49c28ec3411958a97ac9e272540e

21475981 as geometric shapes

Circle

Radius = n

Diameter	42951962
Circumference	134937568.27647
Area	1.4489583262458E+15

Sphere

Radius = n

Volume	4.1490401978996E+22
Surface area	5.7958333049833E+15
Circumference	134937568.27647

Square

Length = n

Perimeter	85903924
Area	461217759912361
Diagonal	30371623.595467

Cube

Length = n

Surface area	2767306559474166
Volume	9.9051038487404E+21
Space diagonal	37197490.234384

Equilateral Triangle

Length = n

Perimeter	64427943
Area	1.9971314838033E+14
Altitude	18598745.117192

Triangular Pyramid

Length = n

Surface area	1.9971314838033E+14
Volume	1.1673276833002E+21
Height	10123874.531822