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

21921207 (number)

21921207 is an odd 8-digits composite number following 21921206 and preceding 21921208. In scientific notation, it is written as 2.1921207 × 10^7. The sum of its digits is 24. It has a total of 3 prime factors and 8 positive divisors. There are 11386320 positive integers (up to 21921207) that are relatively prime to 21921207.

Interesting facts

21921207 has 8 divisors, whose sum is 23157552
The reverse of 21921207 is 70212912
Previous prime number is 121

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 24
Digital Root 6

Name

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

Notation

Scientific notation	2.1921207 × 10^7
Engineering notation	2.1921207 × 10^6

Prime Factorization of 21921207

Prime Factorization 21 × 121 × 8627

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21921207	Product of the distinct prime numbers

The prime factorization of 21921207 is 21 × 121 × 8627. Since it has a total of 3 prime factors.

Most popular turbo-numbers

10, 5, 34, 98, 30, 585, 2237, 2077, 19485, 16735, 964122, 68691, 4490053, 1271895, 50886388, 29909170, 132213426, 210297873, 8679729821, 7292402957

Basic calculations (n = 21921207)

Multiplication

n×y

n×2	43842414
n×3	65763621
n×4	87684828
n×5	109606035

Division

n÷y

n÷2	10960603.5
n÷3	7307069
n÷3	5480301.75
n÷5	4384241.4

Exponentiation

n^y

n²	480539316336849
n³	1.0534001825059E+22
n⁴	2.3091803454549E+29
n⁵	5.0620020353048E+36

Nth Root

^y√n

²√n	4682.0088637251
³√n	279.8690161163
⁴√n	68.425206347698
⁵√n	29.38819362998

Divisors of 21921207

1, 21, 121, 2541, 8627, 181167, 1043867, 21921207

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	-21921206	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 21921207 can be divided by 8 positive divisors. The sum of these divisors (counting 21921207) is 1, the average is 0.125.

Base conversion 21921207

Base	System	Value
2	Binary	1010011100111110110110111
3	Ternary	1112020201020120
4	Quaternary	1103213312313
5	Quinary	21102434312
6	Senary	2101503023
8	Octal	123476667
10	Decimal	21921207
12	Duodecimal	7411a73
16	Hexadecimal	14e7db7
20	Vigesimal	6h0307
36	Base36	d1uif

Cryptographic Hash Functions

md5	90b6bb7c01b4b97edf1646d4ff251744
sha1	b80b0b0bc33587cb28e075a6bd28fcf44bf1b25a
sha256	619c374d00ca11c781e928685c836c7bdd66d74dd835ad517204cde8953caa47
sha512	c8e45072c6490703c00d3b16df79829cd282ce968f341ff4542cf5e1448aebd9168bdbcb9c690b71cc3bc61f1191c343924663e776a5d48c1d0fc2f019402cca
ripemd-160	86af1188ccbdab7ca160661cbee8e8e274943885

21921207 as geometric shapes

Circle

Radius = n

Diameter	43842414
Circumference	137735005.73804
Area	1.5096587859649E+15

Sphere

Radius = n

Volume	4.4124723662007E+22
Surface area	6.0386351438596E+15
Circumference	137735005.73804

Square

Length = n

Perimeter	87684828
Area	480539316336849
Diagonal	31001268.242988

Cube

Length = n

Surface area	2883235898021094
Volume	1.0534001825059E+22
Space diagonal	37968644.287235

Equilateral Triangle

Length = n

Perimeter	65763621
Area	2.0807962773246E+14
Altitude	18984322.143617

Triangular Pyramid

Length = n

Surface area	2.0807962773246E+14
Volume	1.2414440205884E+21
Height	10333756.080996