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

21231681 (number)

21231681 is an odd 8-digits composite number following 21231680 and preceding 21231682. In scientific notation, it is written as 2.1231681 × 10^7. The sum of its digits is 24. It has a total of 3 prime factors and 8 positive divisors. There are 13914432 positive integers (up to 21231681) that are relatively prime to 21231681.

Interesting facts

21231681 has 8 divisors, whose sum is 28788960
The reverse of 21231681 is 18613212
Previous prime number is 59

Basic properties

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

Name

Name	twenty-one million two hundred thirty-one thousand six hundred eighty-one

Notation

Scientific notation	2.1231681 × 10^7
Engineering notation	2.1231681 × 10^6

Prime Factorization of 21231681

Prime Factorization 3 × 59 × 119953

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21231681	Product of the distinct prime numbers

The prime factorization of 21231681 is 3 × 59 × 119953. Since it has a total of 3 prime factors.

Most popular turbo-numbers

10, 9, 51, 69, 576, 621, 1616, 6186, 76971, 41894, 390145, 374703, 3925708, 1951156, 92387769, 34318433, 644199668, 164206715, 2602673963, 733294542

Basic calculations (n = 21231681)

Multiplication

n×y

n×2	42463362
n×3	63695043
n×4	84926724
n×5	106158405

Division

n÷y

n÷2	10615840.5
n÷3	7077227
n÷3	5307920.25
n÷5	4246336.2

Exponentiation

n^y

n²	450784278085761
n³	9.5709079921322E+21
n⁴	2.032064653693E+29
n⁵	4.3144148498585E+36

Nth Root

^y√n

²√n	4607.7848257053
³√n	276.90329701432
⁴√n	67.880666067042
⁵√n	29.200942968365

Divisors of 21231681

1, 3, 59, 177, 119953, 359859, 7077227, 21231681

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	-21231680	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 21231681 can be divided by 8 positive divisors. The sum of these divisors (counting 21231681) is 1, the average is 0.125.

Base conversion 21231681

Base	System	Value
2	Binary	1010000111111100001000001
3	Ternary	1110221200101120
4	Quaternary	1100333201001
5	Quinary	20413403211
6	Senary	2035022453
8	Octal	120774101
10	Decimal	21231681
12	Duodecimal	713aa29
16	Hexadecimal	143f841
20	Vigesimal	6cdj41
36	Base36	cn2gx

Cryptographic Hash Functions

md5	dcb682bca3473d297bf3352d5c4b162c
sha1	593bebe0fbf6f34367f8efe5f01ae36601316e49
sha256	fc3713cf297d7d1b46e25891fe3496cba0ee6362eb357e6e524152bffaa53f18
sha512	e9000b251907d737e57b72d04fc235e32ff4a082842bac363318efc3b3ec3343f93a6acd711249d2b55bde10f99b7d58eba6303317602034d7f2cdebc2e6ff3c
ripemd-160	6a86f8ae1dd2bd4fb37a23f4b7f131367dbdeba8

21231681 as geometric shapes

Circle

Radius = n

Diameter	42463362
Circumference	133402586.10592
Area	1.416180576388E+15

Sphere

Radius = n

Volume	4.0090525648355E+22
Surface area	5.664722305552E+15
Circumference	133402586.10592

Square

Length = n

Perimeter	84926724
Area	450784278085761
Diagonal	30026131.222179

Cube

Length = n

Surface area	2704705668514566
Volume	9.5709079921322E+21
Space diagonal	36774350.222095

Equilateral Triangle

Length = n

Perimeter	63695043
Area	1.9519531822445E+14
Altitude	18387175.111047

Triangular Pyramid

Length = n

Surface area	1.9519531822445E+14
Volume	1.1279423238915E+21
Height	10008710.407393