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

21098981 (number)

21098981 is an odd 8-digits composite number following 21098980 and preceding 21098982. In scientific notation, it is written as 2.1098981 × 10^7. The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors. There are 20138800 positive integers (up to 21098981) that are relatively prime to 21098981.

Interesting facts

21098981 has 8 divisors, whose sum is 22063104
The reverse of 21098981 is 18989012
Previous prime number is 797

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2

Name

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

Notation

Scientific notation	2.1098981 × 10^7
Engineering notation	2.1098981 × 10^6

Prime Factorization of 21098981

Prime Factorization 23 × 797 × 1151

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21098981	Product of the distinct prime numbers

The prime factorization of 21098981 is 23 × 797 × 1151. Since it has a total of 3 prime factors.

Most popular turbo-numbers

8, 6, 59, 61, 798, 892, 5684, 1277, 20137, 55492, 560284, 318561, 951037, 2949729, 53572484, 86648202, 107785273, 979374812, 5212547230, 4841161617

Basic calculations (n = 21098981)

Multiplication

n×y

n×2	42197962
n×3	63296943
n×4	84395924
n×5	105494905

Division

n÷y

n÷2	10549490.5
n÷3	7032993.6666667
n÷3	5274745.25
n÷5	4219796.2

Exponentiation

n^y

n²	445166999238361
n³	9.3925700587572E+21
n⁴	1.9817365721089E+29
n⁵	4.181262228193E+36

Nth Root

^y√n

²√n	4593.3627115655
³√n	276.32520041401
⁴√n	67.774351428586
⁵√n	29.164349641828

Divisors of 21098981

1, 23, 797, 1151, 18331, 26473, 917347, 21098981

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	-21098980	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 21098981 can be divided by 8 positive divisors. The sum of these divisors (counting 21098981) is 1, the average is 0.125.

Base conversion 21098981

Base	System	Value
2	Binary	1010000011111000111100101
3	Ternary	1110200221100202
4	Quaternary	1100133013211
5	Quinary	20400131411
6	Senary	2032120245
8	Octal	120370745
10	Decimal	21098981
12	Duodecimal	7096085
16	Hexadecimal	141f1e5
20	Vigesimal	6bh791
36	Base36	ck82t

Cryptographic Hash Functions

md5	7db6d37f4a2470b774d5266051208ffc
sha1	a7ae13b94681548f5ba19f40d224e8cd5fc123b4
sha256	b1a28fcdc60ac85c1ba6db7f2255af8628d9ce10c3bb4f5938006e8cb52e9747
sha512	7480dac3e8ea4b40c3280aafe9203177fb98320b2de66451de3d1231dd4c6737961aec641fa72ef65994abed7538e2a6ea0f9fd61db77a1f51dfbdcec244f07d
ripemd-160	fc1e58d333a9e0b44d86561b0218f097afd06954

21098981 as geometric shapes

Circle

Radius = n

Diameter	42197962
Circumference	132568807.41566
Area	1.3985333744278E+15

Sphere

Radius = n

Volume	3.9343505459892E+22
Surface area	5.5941334977114E+15
Circumference	132568807.41566

Square

Length = n

Perimeter	84395924
Area	445166999238361
Diagonal	29838465.082452

Cube

Length = n

Surface area	2671001995430166
Volume	9.3925700587572E+21
Space diagonal	36544507.07993

Equilateral Triangle

Length = n

Perimeter	63296943
Area	1.9276296513345E+14
Altitude	18272253.539965

Triangular Pyramid

Length = n

Surface area	1.9276296513345E+14
Volume	1.1069249968862E+21
Height	9946155.0274841