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

21090902 (number)

21090902 is an even 8-digits composite number following 21090901 and preceding 21090903. In scientific notation, it is written as 2.1090902 × 10^7. The sum of its digits is 23. It has a total of 3 prime factors and 8 positive divisors. There are 9038952 positive integers (up to 21090902) that are relatively prime to 21090902.

Interesting facts

21090902 has 8 divisors, whose sum is 36155856
The reverse of 21090902 is 20909012
Previous prime number is 7

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 23
Digital Root 5

Name

Name	twenty-one million ninety thousand nine hundred two

Notation

Scientific notation	2.1090902 × 10^7
Engineering notation	2.1090902 × 10^6

Prime Factorization of 21090902

Prime Factorization 2 × 7 × 1506493

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21090902	Product of the distinct prime numbers

The prime factorization of 21090902 is 2 × 7 × 1506493. Since it has a total of 3 prime factors.

Most popular turbo-numbers

8, 2, 16, 60, 231, 256, 1035, 5058, 86652, 43809, 689487, 680204, 973847, 6492826, 75547545, 92231899, 405319150, 485548357, 5472969505, 9952376110

Basic calculations (n = 21090902)

Multiplication

n×y

n×2	42181804
n×3	63272706
n×4	84363608
n×5	105454510

Division

n÷y

n÷2	10545451
n÷3	7030300.6666667
n÷3	5272725.5
n÷5	4218180.4

Exponentiation

n^y

n²	444826147173604
n³	9.3817846770761E+21
n⁴	1.9787030120931E+29
n⁵	4.1732631315161E+36

Nth Root

^y√n

²√n	4592.4832062839
³√n	276.28992673113
⁴√n	67.767862636237
⁵√n	29.162115838429

Divisors of 21090902

1, 2, 7, 14, 1506493, 3012986, 10545451, 21090902

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	-21090901	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 21090902 can be divided by 8 positive divisors. The sum of these divisors (counting 21090902) is 1, the average is 0.125.

Base conversion 21090902

Base	System	Value
2	Binary	1010000011101001001010110
3	Ternary	1110200112021112
4	Quaternary	1100131021112
5	Quinary	20344402102
6	Senary	2032015022
8	Octal	120351126
10	Decimal	21090902
12	Duodecimal	7091472
16	Hexadecimal	141d256
20	Vigesimal	6bg752
36	Base36	ck1ue

Cryptographic Hash Functions

md5	5fd41cfa033af6ef6341cfa1a01f6285
sha1	04a56beebc6450381c5920695b29ca1837015369
sha256	5fa163eaecab59b7f884bd07528dbb4871b7cc4f8a92802dcbdfce87003d4af0
sha512	9d55f6fed8e4307fe61bbf9efb93060630c8e82c5800116c17b60b3bb8853cacaef55f799896582102a15b84824a68b2be7154c0dc17ad6e066d678fdf873346
ripemd-160	216e8e36e250751993472cc004fead1955151322

21090902 as geometric shapes

Circle

Radius = n

Diameter	42181804
Circumference	132518045.56156
Area	1.3974625560852E+15

Sphere

Radius = n

Volume	3.9298327758751E+22
Surface area	5.589850224341E+15
Circumference	132518045.56156

Square

Length = n

Perimeter	84363608
Area	444826147173604
Diagonal	29827039.651082

Cube

Length = n

Surface area	2668956883041624
Volume	9.3817846770761E+21
Space diagonal	36530513.841456

Equilateral Triangle

Length = n

Perimeter	63272706
Area	1.9261537185995E+14
Altitude	18265256.920728

Triangular Pyramid

Length = n

Surface area	1.9261537185995E+14
Volume	1.1056539274654E+21
Height	9942346.5503606