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

21272891 (number)

21272891 is an odd 8-digits composite number following 21272890 and preceding 21272892. In scientific notation, it is written as 2.1272891 × 10^7. The sum of its digits is 32. It has a total of 4 prime factors and 12 positive divisors. There are 20139840 positive integers (up to 21272891) that are relatively prime to 21272891.

Interesting facts

21272891 has 12 divisors, whose sum is 22455720
The reverse of 21272891 is 19827212
Previous prime number is 37

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 32
Digital Root 5

Name

Name	twenty-one million two hundred seventy-two thousand eight hundred ninety-one

Notation

Scientific notation	2.1272891 × 10^7
Engineering notation	2.1272891 × 10^6

Prime Factorization of 21272891

Prime Factorization 41 × 37 × 37 × 379

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	4	Total number of prime factors
rad	Radical	574943	Product of the distinct prime numbers

The prime factorization of 21272891 is 41 × 37 × 37 × 379. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 2, 82, 70, 659, 256, 8699, 1446, 54756, 5059, 88629, 27620, 6139461, 2120412, 98908092, 29977433, 972111484, 403980737, 5432482403, 6722746316

Basic calculations (n = 21272891)

Multiplication

n×y

n×2	42545782
n×3	63818673
n×4	85091564
n×5	106364455

Division

n÷y

n÷2	10636445.5
n÷3	7090963.6666667
n÷3	5318222.75
n÷5	4254578.2

Exponentiation

n^y

n²	452535891497881
n³	9.6267466934223E+21
n⁴	2.0478873309378E+29
n⁵	4.3564483971321E+36

Nth Root

^y√n

²√n	4612.2544379078
³√n	277.08233465008
⁴√n	67.913580658862
⁵√n	29.212269793263

Divisors of 21272891

1, 37, 41, 379, 1369, 1517, 14023, 15539, 56129, 518851, 574943, 21272891

12 divisors

τ	Total Divisors	12	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-21272890	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.083333333333333	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	12	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21272891 can be divided by 12 positive divisors. The sum of these divisors (counting 21272891) is 1, the average is 0.083333333333333.

Base conversion 21272891

Base	System	Value
2	Binary	1010001001001100100111011
3	Ternary	1111000202220212
4	Quaternary	1101021210323
5	Quinary	20421213031
6	Senary	2035541335
8	Octal	121114473
10	Decimal	21272891
12	Duodecimal	715a84b
16	Hexadecimal	144993b
20	Vigesimal	6cj24b
36	Base36	cny9n

Cryptographic Hash Functions

md5	6f857d9953f629cbb0ef50284f9e744a
sha1	6f31982927abaab32bf7727d6e06889946c9e24e
sha256	913d8bfe35cecc9d30232dcfc015b5c72b15c384635c7efc07d2cf5e375ec937
sha512	c3da64fe4d24763343b483a323b9d98a1175f362425645358ad8d54ec61933f1d5ca3521b0b2c8528af616bc45bb18ef1f17149b0470ca21c2c6bbf2536f4bea
ripemd-160	cf7aa799147b3907814b7144b68d9640770ef560

21272891 as geometric shapes

Circle

Radius = n

Diameter	42545782
Circumference	133661516.17243
Area	1.4216834322155E+15

Sphere

Radius = n

Volume	4.0324422253367E+22
Surface area	5.6867337288618E+15
Circumference	133661516.17243

Square

Length = n

Perimeter	85091564
Area	452535891497881
Diagonal	30084410.963085

Cube

Length = n

Surface area	2715215348987286
Volume	9.6267466934223E+21
Space diagonal	36845728.035875

Equilateral Triangle

Length = n

Perimeter	63818673
Area	1.959537890807E+14
Altitude	18422864.017937

Triangular Pyramid

Length = n

Surface area	1.959537890807E+14
Volume	1.1345229779473E+21
Height	10028136.987695