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

21490951 (number)

21490951 is an odd 8-digits prime number following 21490950 and preceding 21490952. In scientific notation, it is written as 2.1490951 × 10^7. The sum of its digits is 31. It has a total of 1 prime factors and 2 positive divisors. There are 21490950 positive integers (up to 21490951) that are relatively prime to 21490951.

Interesting facts

21490951 has 2 divisors, whose sum is 21490952
The reverse of 21490951 is 15909412
Previous prime number is 1

Basic properties

Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4

Name

Name	twenty-one million four hundred ninety thousand nine hundred fifty-one

Notation

Scientific notation	2.1490951 × 10^7
Engineering notation	2.1490951 × 10^6

Prime Factorization of 21490951

Prime Factorization 21490951

Composite number

ω	Distinct Factors	1	Total number of distinct prime factors
Ω	Total Factors	1	Total number of prime factors
rad	Radical	21490951	Product of the distinct prime numbers

The prime factorization of 21490951 is 21490951. Since it has a total of 1 prime factors.

Most popular turbo-numbers

2, 9, 5, 94, 859, 883, 8696, 847, 22493, 22588, 533836, 890557, 3229094, 1688024, 39537271, 91226231, 25305230, 890224941, 110201681, 1158991438

Basic calculations (n = 21490951)

Multiplication

n×y

n×2	42981902
n×3	64472853
n×4	85963804
n×5	107454755

Division

n÷y

n÷2	10745475.5
n÷3	7163650.3333333
n÷3	5372737.75
n÷5	4298190.2

Exponentiation

n^y

n²	461860974884401
n³	9.9258315800529E+21
n⁴	2.1331556012117E+29
n⁵	4.5843542501016E+36

Nth Root

^y√n

²√n	4635.8333662892
³√n	278.0258718568
⁴√n	68.086954450094
⁵√n	29.271914421653

Divisors of 21490951

1, 21490951

2 divisors

τ	Total Divisors	2	Total number of the positive divisors of n
σ	Sum of Divisors	21490952	Sum of all the positive divisors of n
s	Aliquot Sum	1	Sum of the proper positive divisors of n
A	Arithmetic Mean	10745476	Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G	Geometric Mean	4635.8334741446	Returns the nth root of the product of n divisors
H	Harmonic Mean	1.9999999069376	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21490951 can be divided by 2 positive divisors. The sum of these divisors (counting 21490951) is 21490952, the average is 10745476.

Base conversion 21490951

Base	System	Value
2	Binary	1010001111110110100000111
3	Ternary	1111102212001011
4	Quaternary	1101332310013
5	Quinary	21000202301
6	Senary	2044343051
8	Octal	121766407
10	Decimal	21490951
12	Duodecimal	7244a87
16	Hexadecimal	147ed07
20	Vigesimal	6e677b
36	Base36	csmiv

Cryptographic Hash Functions

md5	2629da5c9c427bcb93399744430d49f4
sha1	e9902eeaef1f38b048e49319e9b618ed5814ed36
sha256	525a186bd7dd8dcb1942e03ffa2b5b0cb08ed9b1b47962ac0630742d87318118
sha512	e32ffa67efde3dc478b509a6684e4e27a14816b7a9a0127b5af2fc7cc1617832d544833ae9fd02449baec103ee77c63cd794bcc6aba104d0628def51cfc7bdc1
ripemd-160	872439e425b4ebab1025568658ea4a8695424f45

21490951 as geometric shapes

Circle

Radius = n

Diameter	42981902
Circumference	135031627.56052
Area	1.4509790456767E+15

Sphere

Radius = n

Volume	4.1577226096885E+22
Surface area	5.8039161827066E+15
Circumference	135031627.56052

Square

Length = n

Perimeter	85963804
Area	461860974884401
Diagonal	30392794.372496

Cube

Length = n

Surface area	2771165849306406
Volume	9.9258315800529E+21
Space diagonal	37223419.034973

Equilateral Triangle

Length = n

Perimeter	64472853
Area	1.9999166863327E+14
Altitude	18611709.517487

Triangular Pyramid

Length = n

Surface area	1.9999166863327E+14
Volume	1.1697704698618E+21
Height	10130931.457499