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

21070981 (number)

21070981 is an odd 8-digits composite number following 21070980 and preceding 21070982. In scientific notation, it is written as 2.1070981 × 10^7. The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors. There are 19961964 positive integers (up to 21070981) that are relatively prime to 21070981.

Interesting facts

21070981 has 4 divisors, whose sum is 22180000
The reverse of 21070981 is 18907012
Previous prime number is 19

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1

Name

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

Notation

Scientific notation	2.1070981 × 10^7
Engineering notation	2.1070981 × 10^6

Prime Factorization of 21070981

Prime Factorization 19 × 1108999

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21070981	Product of the distinct prime numbers

The prime factorization of 21070981 is 19 × 1108999. Since it has a total of 2 prime factors.

Most popular turbo-numbers

1, 9, 63, 88, 643, 706, 2573, 4292, 95074, 10376, 174311, 980357, 9472114, 504105, 23234797, 93684878, 623635642, 483152240, 7544194686, 6102612296

Basic calculations (n = 21070981)

Multiplication

n×y

n×2	42141962
n×3	63212943
n×4	84283924
n×5	105354905

Division

n÷y

n÷2	10535490.5
n÷3	7023660.3333333
n÷3	5267745.25
n÷5	4214196.2

Exponentiation

n^y

n²	443986240302361
n³	9.3552256336725E+21
n⁴	1.9712378157783E+29
n⁵	4.1535914562745E+36

Nth Root

^y√n

²√n	4590.3138236944
³√n	276.20291124249
⁴√n	67.751854762024
⁵√n	29.156604854407

Divisors of 21070981

1, 19, 1108999, 21070981

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	-21070980	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 21070981 can be divided by 4 positive divisors. The sum of these divisors (counting 21070981) is 1, the average is 0.25.

Base conversion 21070981

Base	System	Value
2	Binary	1010000011000010010000101
3	Ternary	1110122111221201
4	Quaternary	1100120102011
5	Quinary	20343232411
6	Senary	2031342501
8	Octal	120302205
10	Decimal	21070981
12	Duodecimal	7081a31
16	Hexadecimal	1418485
20	Vigesimal	6bdh91
36	Base36	cjmh1

Cryptographic Hash Functions

md5	443f864ce740e240b6af4c7db44a697a
sha1	c032f3a3f27b7d2c4dcb900b645fa903af74bc50
sha256	ff1f9f88946d0e9563c50be481cc36ad853b0d061309ceba773afab7b927d430
sha512	be4b00d1899c085c24c9b568800be2b2d1d1009ecb6cf2f69a35154ac30a39b3f1f8f586213b0fb58a2b2cb7ec345ea68efd141d19b5c89695a175dc4d9be686
ripemd-160	9be7836ec2098e0dcecca4c0539c138ae9015af9

21070981 as geometric shapes

Circle

Radius = n

Diameter	42141962
Circumference	132392878.22706
Area	1.3948239108288E+15

Sphere

Radius = n

Volume	3.9187077497894E+22
Surface area	5.5792956433154E+15
Circumference	132392878.22706

Square

Length = n

Perimeter	84283924
Area	443986240302361
Diagonal	29798867.102706

Cube

Length = n

Surface area	2663917441814166
Volume	9.3552256336725E+21
Space diagonal	36496009.657318

Equilateral Triangle

Length = n

Perimeter	63212943
Area	1.9225168151629E+14
Altitude	18248004.828659

Triangular Pyramid

Length = n

Surface area	1.9225168151629E+14
Volume	1.1025239141833E+21
Height	9932955.7009019