21129664 (number)

21129664 is an even 8-digits composite number following 21129663 and preceding 21129665. In scientific notation, it is written as 2.1129664 × 10^7. The sum of its digits is 31. It has a total of 8 prime factors and 28 positive divisors. There are 10278144 positive integers (up to 21129664) that are relatively prime to 21129664.

Interesting facts

Basic properties

Name

Name twenty-one million one hundred twenty-nine thousand six hundred sixty-four

Notation

Scientific notation 2.1129664 × 10^7
Engineering notation 2.1129664 × 10^6

Prime Factorization of 21129664

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 37 × 8923

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 660302
Product of the distinct prime numbers

The prime factorization of 21129664 is 2 × 2 × 2 × 2 × 2 × 2 × 37 × 8923. Since it has a total of 8 prime factors.

Most popular turbo-numbers

7, 3, 64, 64, 987, 259, 2493, 6248, 67229, 33641, 386305, 742013, 2564352, 1075487, 36860048, 64238238, 176100360, 608571084, 9128195737, 7972424446

Basic calculations (n = 21129664)

Multiplication

n×y
n×2 42259328
n×3 63388992
n×4 84518656
n×5 105648320

Division

n÷y
n÷2 10564832
n÷3 7043221.3333333
n÷3 5282416
n÷5 4225932.8

Exponentiation

ny
n2 446462700752896
n3 9.4336068554412E+21
n4 1.9932894316357E+29
n5 4.2117535945213E+36

Nth Root

y√n
2√n 4596.7014260228
3√n 276.45908333346
4√n 67.798978060313
5√n 29.172827109654

Divisors of 21129664

1, 2, 4, 8, 16, 32, 37, 64, 74, 148, 296, 592, 1184, 2368, 8923, 17846, 35692, 71384, 142768, 285536, 330151, 571072, 660302, 1320604, 2641208, 5282416, 10564832, 21129664

28 divisors

τ Total Divisors 28
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21129663
Sum of the proper positive divisors of n
A Arithmetic Mean 0.035714285714286
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 28
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21129664 can be divided by 28 positive divisors. The sum of these divisors (counting 21129664) is 1, the average is 0.035714285714286.

Base conversion 21129664

Base System Value
2 Binary 1010000100110100111000000
3 Ternary 1110202111110011
4 Quaternary 1100212213000
5 Quinary 20402122124
6 Senary 2032514304
8 Octal 120464700
10 Decimal 21129664
12 Duodecimal 70ab994
16 Hexadecimal 14269c0
20 Vigesimal 6c1434
36 Base36 ckvr4

Cryptographic Hash Functions

md5 0bfce8e7a286df5fdf283500f7a3c259
sha1 75a0a87aa943f6d7436232c189409b5ab6d93540
sha256 28465de925945e24c59de55593d5a4201009f637ef87f7948ec7955c075f93ee
sha512 13eefefd0eaac51b7f7df730a90eb8352e2bba4feaa9fea35fe57f1a265140a3be393d7fef2472fca4f1d7f42fc6ac603084b5e812afcd1f2f7b5a40fb7ef2d2
ripemd-160 a5a5bd5cec06b9a0f1efeeee49575dee3c855f85

21129664 as geometric shapes

Circle

Radius = n
Diameter 42259328
Circumference 132761594.39044
Area 1.4026039407872E+15

Sphere

Radius = n
Volume 3.9515399991878E+22
Surface area 5.6104157631486E+15
Circumference 132761594.39044

Square

Length = n
Perimeter 84518656
Area 446462700752896
Diagonal 29881857.397187

Cube

Length = n
Surface area 2678776204517376
Volume 9.4336068554412E+21
Space diagonal 36597651.594859

Equilateral Triangle

Length = n
Perimeter 63388992
Area 1.9332402034711E+14
Altitude 18298825.79743

Triangular Pyramid

Length = n
Surface area 1.9332402034711E+14
Volume 1.1117612297551E+21
Height 9960619.1323955