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

21298981 (number)

21298981 is an odd 8-digits composite number following 21298980 and preceding 21298982. In scientific notation, it is written as 2.1298981 × 10^7. The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors. There are 18144000 positive integers (up to 21298981) that are relatively prime to 21298981.

Interesting facts

21298981 has 8 divisors, whose sum is 21634200
The reverse of 21298981 is 18989212
Previous prime number is 101

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4

Name

Name	twenty-one million two hundred ninety-eight thousand nine hundred eighty-one

Notation

Scientific notation	2.1298981 × 10^7
Engineering notation	2.1298981 × 10^6

Prime Factorization of 21298981

Prime Factorization 209 × 101 × 1009

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21298981	Product of the distinct prime numbers

The prime factorization of 21298981 is 209 × 101 × 1009. Since it has a total of 3 prime factors.

Most popular turbo-numbers

7, 5, 46, 76, 920, 711, 3407, 7890, 88028, 62735, 586626, 916904, 5988700, 5054849, 3943631, 62246530, 593705230, 895925805, 3198429656, 994726704

Basic calculations (n = 21298981)

Multiplication

n×y

n×2	42597962
n×3	63896943
n×4	85195924
n×5	106494905

Division

n÷y

n÷2	10649490.5
n÷3	7099660.3333333
n÷3	5324745.25
n÷5	4259796.2

Exponentiation

n^y

n²	453646591638361
n³	9.6622101360202E+21
n⁴	2.057952301051E+29
n⁵	4.3832286958992E+36

Nth Root

^y√n

²√n	4615.0819060987
³√n	277.19556365393
⁴√n	67.934394132124
⁵√n	29.21943172063

Divisors of 21298981

1, 101, 209, 1009, 21109, 101909, 210881, 21298981

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	-21298980	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 21298981 can be divided by 8 positive divisors. The sum of these divisors (counting 21298981) is 1, the average is 0.125.

Base conversion 21298981

Base	System	Value
2	Binary	1010001001111111100100101
3	Ternary	1111002002201011
4	Quaternary	1101033330211
5	Quinary	20423031411
6	Senary	2040302221
8	Octal	121177445
10	Decimal	21298981
12	Duodecimal	7171971
16	Hexadecimal	144ff25
20	Vigesimal	6d2791
36	Base36	coied

Cryptographic Hash Functions

md5	94d5e7ff0db856877dbcbf3c5c4fc452
sha1	fc3c14f56d3f27711f0fe55dda1d8af1ec3e4807
sha256	d4a1baa6c26ce5d6744332dba6cbf6121531b956e6305de22da59013cbec48cf
sha512	44cce0840d3207337299f6db9e523e64763aa6a6617156f2f81088f93f892839ecf3a28f45e938534829664318e944091b9c2d53e613ec5c40a5e3674d5be813
ripemd-160	610892b4cb5a40b6662d90692b5b7b4758976730

21298981 as geometric shapes

Circle

Radius = n

Diameter	42597962
Circumference	133825444.4771
Area	1.4251727996171E+15

Sphere

Radius = n

Volume	4.0472971174349E+22
Surface area	5.7006911984685E+15
Circumference	133825444.4771

Square

Length = n

Perimeter	85195924
Area	453646591638361
Diagonal	30121307.794927

Cube

Length = n

Surface area	2721879549830166
Volume	9.6622101360202E+21
Space diagonal	36890917.241444

Equilateral Triangle

Length = n

Perimeter	63896943
Area	1.9643473634952E+14
Altitude	18445458.620722

Triangular Pyramid

Length = n

Surface area	1.9643473634952E+14
Volume	1.1387023847382E+21
Height	10040435.931642