21308812 (number)

21308812 is an even 8-digits composite number following 21308811 and preceding 21308813. In scientific notation, it is written as 2.1308812 × 10^7. The sum of its digits is 25. It has a total of 5 prime factors and 24 positive divisors. There are 9111312 positive integers (up to 21308812) that are relatively prime to 21308812.

Interesting facts

Basic properties

Name

Name twenty-one million three hundred eight thousand eight hundred twelve

Notation

Scientific notation 2.1308812 × 10^7
Engineering notation 2.1308812 × 10^6

Prime Factorization of 21308812

Prime Factorization 2 × 2 × 7 × 967 × 787

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10654406
Product of the distinct prime numbers

The prime factorization of 21308812 is 2 × 2 × 7 × 967 × 787. Since it has a total of 5 prime factors.

Most popular turbo-numbers

8, 8, 81, 81, 327, 985, 8022, 6493, 37009, 34435, 658702, 56175, 520138, 715927, 1899950, 91574, 562420504, 442724811, 985139454, 9197419740

Basic calculations (n = 21308812)

Multiplication

n×y
n×2 42617624
n×3 63926436
n×4 85235248
n×5 106544060

Division

n÷y
n÷2 10654406
n÷3 7102937.3333333
n÷3 5327203
n÷5 4261762.4

Exponentiation

ny
n2 454065468851344
n3 9.6755957114451E+21
n4 2.0617545000319E+29
n5 4.3933539031334E+36

Nth Root

y√n
2√n 4616.1468780792
3√n 277.23820560655
4√n 67.942231918588
5√n 29.222128593426

Divisors of 21308812

1, 2, 4, 7, 14, 28, 787, 967, 1574, 1934, 3148, 3868, 5509, 6769, 11018, 13538, 22036, 27076, 761029, 1522058, 3044116, 5327203, 10654406, 21308812

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 -21308811
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 21308812 can be divided by 24 positive divisors. The sum of these divisors (counting 21308812) is 1, the average is 0.041666666666667.

Base conversion 21308812

Base System Value
2 Binary 1010001010010010110001100
3 Ternary 1111002121012021
4 Quaternary 1101102112030
5 Quinary 20423340222
6 Senary 2040415524
8 Octal 121222614
10 Decimal 21308812
12 Duodecimal 71775a4
16 Hexadecimal 145258c
20 Vigesimal 6d3c0c
36 Base36 copzg

Cryptographic Hash Functions

md5 ba94c1d801244ad82ce13a28cacb5bd0
sha1 329890a0b78df297167a7dd07e4b86d98da7409c
sha256 21b25866feeb6046f61944746f6d29b488cb258b0eeb5a991ec000f20d4e1a76
sha512 8db4b1dad96cf49db8962b8a2d4e1d548536d780c46d43a77ddbf9a19eac0554e9228521f5030896a5b71273e1444d1b0a9fdb26dc6d8e823ba0a78f24a2654d
ripemd-160 ddfa59551c5d6d7c4f890e8e6550b5622b2dc8f0

21308812 as geometric shapes

Circle

Radius = n
Diameter 42617624
Circumference 133887214.47185
Area 1.4264887411922E+15

Sphere

Radius = n
Volume 4.0529040541575E+22
Surface area 5.7059549647687E+15
Circumference 133887214.47185

Square

Length = n
Perimeter 85235248
Area 454065468851344
Diagonal 30135210.928459

Cube

Length = n
Surface area 2724392813108064
Volume 9.6755957114451E+21
Space diagonal 36907945.032933

Equilateral Triangle

Length = n
Perimeter 63926436
Area 1.9661611550328E+14
Altitude 18453972.516467

Triangular Pyramid

Length = n
Surface area 1.9661611550328E+14
Volume 1.1402798899304E+21
Height 10045070.309486