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

21491929 (number)

21491929 is an odd 8-digits composite number following 21491928 and preceding 21491930. In scientific notation, it is written as 2.1491929 × 10^7. The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors. There are 20750800 positive integers (up to 21491929) that are relatively prime to 21491929.

Interesting facts

21491929 has 4 divisors, whose sum is 22233060
The reverse of 21491929 is 92919412
Previous prime number is 29

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1

Name

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

Notation

Scientific notation	2.1491929 × 10^7
Engineering notation	2.1491929 × 10^6

Prime Factorization of 21491929

Prime Factorization 29 × 741101

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21491929	Product of the distinct prime numbers

The prime factorization of 21491929 is 29 × 741101. Since it has a total of 2 prime factors.

Most popular turbo-numbers

1, 4, 24, 54, 957, 874, 8529, 7486, 50482, 2518, 620879, 180393, 4273515, 9917224, 55568241, 45476744, 6341570, 652763360, 5057974693, 4376373307

Basic calculations (n = 21491929)

Multiplication

n×y

n×2	42983858
n×3	64475787
n×4	85967716
n×5	107459645

Division

n÷y

n÷2	10745964.5
n÷3	7163976.3333333
n÷3	5372982.25
n÷5	4298385.8

Exponentiation

n^y

n²	461903012141041
n³	9.9271867418214E+21
n⁴	2.1335439262497E+29
n⁵	4.5853974581339E+36

Nth Root

^y√n

²√n	4635.9388477416
³√n	278.03008921597
⁴√n	68.087729054079
⁵√n	29.272180835282

Divisors of 21491929

1, 29, 741101, 21491929

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	-21491928	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 21491929 can be divided by 4 positive divisors. The sum of these divisors (counting 21491929) is 1, the average is 0.25.

Base conversion 21491929

Base	System	Value
2	Binary	1010001111111000011011001
3	Ternary	1111102220101101
4	Quaternary	1101333003121
5	Quinary	21000220204
6	Senary	2044351401
8	Octal	121770331
10	Decimal	21491929
12	Duodecimal	7245561
16	Hexadecimal	147f0d9
20	Vigesimal	6e69g9
36	Base36	csna1

Cryptographic Hash Functions

md5	3f26ef4a2ad41a3f0ddbc349ffe48b4d
sha1	5492737ef1c8d82edbcdcd150c33d374ca757afd
sha256	74370abd9e66a40efe67197350314762e751af439bd37ecc56ece05b0983b016
sha512	2a0cdd3635aac33af7f566d0f3e2305393f52bbaf08f7315962fa603477b4ba686f45734f2eed60df680d9dc599ffd171198102ccf9b694eab596457479e551f
ripemd-160	dd98a636ea860f5dccfff9b03c433616f4520af6

21491929 as geometric shapes

Circle

Radius = n

Diameter	42983858
Circumference	135037772.51575
Area	1.4511111096133E+15

Sphere

Radius = n

Volume	4.1582902585227E+22
Surface area	5.8044444384532E+15
Circumference	135037772.51575

Square

Length = n

Perimeter	85967716
Area	461903012141041
Diagonal	30394177.47336

Cube

Length = n

Surface area	2771418072846246
Volume	9.9271867418214E+21
Space diagonal	37225112.980663

Equilateral Triangle

Length = n

Perimeter	64475787
Area	2.0000987129935E+14
Altitude	18612556.490331

Triangular Pyramid

Length = n

Surface area	2.0000987129935E+14
Volume	1.1699301772078E+21
Height	10131392.49112