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

21127979 (number)

21127979 is an odd 8-digits composite number following 21127978 and preceding 21127980. In scientific notation, it is written as 2.1127979 × 10^7. The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors. There are 20399400 positive integers (up to 21127979) that are relatively prime to 21127979.

Interesting facts

21127979 has 4 divisors, whose sum is 21856560
The reverse of 21127979 is 97972112
Previous prime number is 29

Basic properties

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

Name

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

Notation

Scientific notation	2.1127979 × 10^7
Engineering notation	2.1127979 × 10^6

Prime Factorization of 21127979

Prime Factorization 29 × 728551

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21127979	Product of the distinct prime numbers

The prime factorization of 21127979 is 29 × 728551. Since it has a total of 2 prime factors.

Most popular turbo-numbers

6, 5, 26, 58, 69, 948, 2827, 3433, 48150, 49772, 463432, 681411, 8349405, 5346690, 95758410, 5147322, 927731668, 710492077, 8000223965, 7000961613

Basic calculations (n = 21127979)

Multiplication

n×y

n×2	42255958
n×3	63383937
n×4	84511916
n×5	105639895

Division

n÷y

n÷2	10563989.5
n÷3	7042659.6666667
n÷3	5281994.75
n÷5	4225595.8

Exponentiation

n^y

n²	446391496624441
n³	9.4313501664598E+21
n⁴	1.9926536825861E+29
n⁵	4.2100745159951E+36

Nth Root

^y√n

²√n	4596.5181387655
³√n	276.45173432973
⁴√n	67.797626350526
⁵√n	29.172361813265

Divisors of 21127979

1, 29, 728551, 21127979

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	-21127978	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 21127979 can be divided by 4 positive divisors. The sum of these divisors (counting 21127979) is 1, the average is 0.25.

Base conversion 21127979

Base	System	Value
2	Binary	1010000100110001100101011
3	Ternary	1110202102010202
4	Quaternary	1100212030223
5	Quinary	20402043404
6	Senary	2032502415
8	Octal	120461453
10	Decimal	21127979
12	Duodecimal	70aaa0b
16	Hexadecimal	142632b
20	Vigesimal	6c0jij
36	Base36	ckugb

Cryptographic Hash Functions

md5	437647d2843fe931934d7c8f1b446a4c
sha1	400716af5d6035612df11abebcaa58243e1b149a
sha256	4c29656b5f7c66f23155273874f9527377a889ba5cef8e3f541f814a29dd08ac
sha512	d8d566b3cfb4463c05530aba41389a4c4e814cf8e491a02d7d571010ce66c0a2b49148ad675e0fade2506f8c3fe9ce154c178fbdf1dc29ea3d3a9c822eb9ff71
ripemd-160	429ce9f2a5e2975f9420b227dadbb45580a1382a

21127979 as geometric shapes

Circle

Radius = n

Diameter	42255958
Circumference	132751007.2232
Area	1.4023802464203E+15

Sphere

Radius = n

Volume	3.9505947195177E+22
Surface area	5.6095209856812E+15
Circumference	132751007.2232

Square

Length = n

Perimeter	84511916
Area	446391496624441
Diagonal	29879474.447334

Cube

Length = n

Surface area	2678348979746646
Volume	9.4313501664598E+21
Space diagonal	36594733.089248

Equilateral Triangle

Length = n

Perimeter	63383937
Area	1.9329318805506E+14
Altitude	18297366.544624

Triangular Pyramid

Length = n

Surface area	1.9329318805506E+14
Volume	1.1114952764081E+21
Height	9959824.815778