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

Basic properties

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

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

ny
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

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