21351680 (number)

21351680 is an even 8-digits composite number following 21351679 and preceding 21351681. In scientific notation, it is written as 2.1351680 × 10^7. The sum of its digits is 26. It has a total of 11 prime factors and 72 positive divisors. There are 7317504 positive integers (up to 21351680) that are relatively prime to 21351680.

Interesting facts

Basic properties

Name

Name twenty-one million three hundred fifty-one thousand six hundred eighty

Notation

Scientific notation 2.1351680 × 10^7
Engineering notation 2.1351680 × 10^6

Prime Factorization of 21351680

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 7 × 2383

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 11
Total number of prime factors
rad Radical 166810
Product of the distinct prime numbers

The prime factorization of 21351680 is 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 7 × 2383. Since it has a total of 11 prime factors.

Most popular turbo-numbers

1, 6, 94, 100, 232, 853, 6326, 2553, 45713, 23637, 526456, 185994, 1027801, 7602785, 79749969, 71561517, 432920038, 510682055, 3546014855, 8783691126

Basic calculations (n = 21351680)

Multiplication

n×y
n×2 42703360
n×3 64055040
n×4 85406720
n×5 106758400

Division

n÷y
n÷2 10675840
n÷3 7117226.6666667
n÷3 5337920
n÷5 4270336

Exponentiation

ny
n2 455894238822400
n3 9.7341079011795E+21
n4 2.0783955699146E+29
n5 4.4377237122233E+36

Nth Root

y√n
2√n 4620.7878116183
3√n 277.42399238571
4√n 67.976376864454
5√n 29.233876666295

Divisors of 21351680

1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 560, 640, 896, 1120, 1280, 1792, 2240, 2383, 4480, 4766, 8960, 9532, 11915, 16681, 19064, 23830, 33362, 38128, 47660, 66724, 76256, 83405, 95320, 133448, 152512, 166810, 190640, 266896, 305024, 333620, 381280, 533792, 610048, 667240, 762560, 1067584, 1334480, 1525120, 2135168, 2668960, 3050240, 4270336, 5337920, 10675840, 21351680

72 divisors

τ Total Divisors 72
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21351679
Sum of the proper positive divisors of n
A Arithmetic Mean 0.013888888888889
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 72
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21351680 can be divided by 72 positive divisors. The sum of these divisors (counting 21351680) is 1, the average is 0.013888888888889.

Base conversion 21351680

Base System Value
2 Binary 1010001011100110100000000
3 Ternary 1111011202222222
4 Quaternary 1101130310000
5 Quinary 20431223210
6 Senary 2041350212
8 Octal 121346400
10 Decimal 21351680
12 Duodecimal 7198368
16 Hexadecimal 145cd00
20 Vigesimal 6d8j40
36 Base36 cpn28

Cryptographic Hash Functions

md5 745b3e0d9eabf6f25eb17d9035e1f6dc
sha1 e69475be50cf7c38ad2d8f5ec44647747457424c
sha256 fea676df700b26c40dbaf0caf83c5e60e469a905396b0186a828d611e49763a5
sha512 ce27c6499d6a3e702eb3196993871ca6c68887dfbae09f58272a43ce8ce2d2f85e6da59d98837bfd41a0d59529107e22434730ff78023a13b6eab70b7db12f6c
ripemd-160 13dc602ea164ca5de4288a77d66c4025665ca0a1

21351680 as geometric shapes

Circle

Radius = n
Diameter 42703360
Circumference 134156562.0596
Area 1.4322339914984E+15

Sphere

Radius = n
Volume 4.0774135828794E+22
Surface area 5.7289359659934E+15
Circumference 134156562.0596

Square

Length = n
Perimeter 85406720
Area 455894238822400
Diagonal 30195835.43545

Cube

Length = n
Surface area 2735365432934400
Volume 9.7341079011795E+21
Space diagonal 36982194.586952

Equilateral Triangle

Length = n
Perimeter 64055040
Area 1.9740799612958E+14
Altitude 18491097.293476

Triangular Pyramid

Length = n
Surface area 1.9740799612958E+14
Volume 1.1471756176209E+21
Height 10065278.478483