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

21491916 (number)

21491916 is an even 8-digits composite number following 21491915 and preceding 21491917. In scientific notation, it is written as 2.1491916 × 10^7. The sum of its digits is 33. It has a total of 5 prime factors and 24 positive divisors. There are 6997200 positive integers (up to 21491916) that are relatively prime to 21491916.

Interesting facts

21491916 has 24 divisors, whose sum is 51315264
The reverse of 21491916 is 61919412
Previous prime number is 43

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 33
Digital Root 6

Name

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

Notation

Scientific notation	2.1491916 × 10^7
Engineering notation	2.1491916 × 10^6

Prime Factorization of 21491916

Prime Factorization 2 × 2 × 3 × 43 × 41651

Composite number

ω	Distinct Factors	4	Total number of distinct prime factors
Ω	Total Factors	5	Total number of prime factors
rad	Radical	10745958	Product of the distinct prime numbers

The prime factorization of 21491916 is 2 × 2 × 3 × 43 × 41651. Since it has a total of 5 prime factors.

Most popular turbo-numbers

6, 2, 84, 98, 256, 923, 3927, 210, 73614, 29056, 561671, 116281, 3690951, 7831980, 9527919, 45781474, 688765984, 421046337, 2875150787, 3216406193

Basic calculations (n = 21491916)

Multiplication

n×y

n×2	42983832
n×3	64475748
n×4	85967664
n×5	107459580

Division

n÷y

n÷2	10745958
n÷3	7163972
n÷3	5372979
n÷5	4298383.2

Exponentiation

n^y

n²	461902453351056
n³	9.9271687276148E+21
n⁴	2.1335387641172E+29
n⁵	4.5853835901152E+36

Nth Root

^y√n

²√n	4635.9374456522
³√n	278.03003315785
⁴√n	68.08771875788
⁵√n	29.27217729406

Divisors of 21491916

1, 2, 3, 4, 6, 12, 43, 86, 129, 172, 258, 516, 41651, 83302, 124953, 166604, 249906, 499812, 1790993, 3581986, 5372979, 7163972, 10745958, 21491916

24 divisors

τ	Total Divisors	24	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-21491915	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.041666666666667	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	24	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21491916 can be divided by 24 positive divisors. The sum of these divisors (counting 21491916) is 1, the average is 0.041666666666667.

Base conversion 21491916

Base	System	Value
2	Binary	1010001111111000011001100
3	Ternary	1111102220100220
4	Quaternary	1101333003030
5	Quinary	21000220131
6	Senary	2044351340
8	Octal	121770314
10	Decimal	21491916
12	Duodecimal	7245550
16	Hexadecimal	147f0cc
20	Vigesimal	6e69fg
36	Base36	csn9o

Cryptographic Hash Functions

md5	fc26e8aca97889e2f07b1bb0de41cdaa
sha1	11c28021206b4dba0fea83c9c5f83c67095db248
sha256	5d9628196779eca3ddd6d0085c71c777ed7da8cb3952392b43cfe238668e1ab9
sha512	46d4c7bf645ab091bb63c7dedec22b502b7dcaf860417016b81421494b98957b92f03a93e4cf01afad348430508c78162a2994c46a21fe0c5529ca286dacef15
ripemd-160	812a1e7cb8c34b9c32db3893d1f684dc62099278

21491916 as geometric shapes

Circle

Radius = n

Diameter	42983832
Circumference	135037690.83434
Area	1.4511093541228E+15

Sphere

Radius = n

Volume	4.1582827127495E+22
Surface area	5.8044374164911E+15
Circumference	135037690.83434

Square

Length = n

Perimeter	85967664
Area	461902453351056
Diagonal	30394159.088583

Cube

Length = n

Surface area	2771414720106336
Volume	9.9271687276148E+21
Space diagonal	37225090.464002

Equilateral Triangle

Length = n

Perimeter	64475748
Area	2.0000962933619E+14
Altitude	18612545.232001

Triangular Pyramid

Length = n

Surface area	2.0000962933619E+14
Volume	1.1699280542132E+21
Height	10131386.362861