21493321 (number)

21493321 is an odd 8-digits composite number following 21493320 and preceding 21493322. In scientific notation, it is written as 2.1493321 × 10^7. The sum of its digits is 25. It has a total of 3 prime factors and 8 positive divisors. There are 19531008 positive integers (up to 21493321) that are relatively prime to 21493321.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety-three thousand three hundred twenty-one

Notation

Scientific notation 2.1493321 × 10^7
Engineering notation 2.1493321 × 10^6

Prime Factorization of 21493321

Prime Factorization 29 × 17 × 43597

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21493321
Product of the distinct prime numbers

The prime factorization of 21493321 is 29 × 17 × 43597. Since it has a total of 3 prime factors.

Most popular turbo-numbers

5, 6, 11, 73, 562, 380, 1579, 8421, 53670, 2926, 811681, 839854, 6161760, 1524657, 82730523, 98574875, 417641013, 152961858, 5587812657, 6527079188

Basic calculations (n = 21493321)

Multiplication

n×y
n×2 42986642
n×3 64479963
n×4 85973284
n×5 107466605

Division

n÷y
n÷2 10746660.5
n÷3 7164440.3333333
n÷3 5373330.25
n÷5 4298664.2

Exponentiation

ny
n2 461962847609041
n3 9.9291157737352E+21
n4 2.1340967257105E+29
n5 4.5868825970746E+36

Nth Root

y√n
2√n 4636.088976713
3√n 278.03609161698
4√n 68.088831512319
5√n 29.272560008507

Divisors of 21493321

1, 17, 29, 493, 43597, 741149, 1264313, 21493321

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 -21493320
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 21493321 can be divided by 8 positive divisors. The sum of these divisors (counting 21493321) is 1, the average is 0.125.

Base conversion 21493321

Base System Value
2 Binary 1010001111111011001001001
3 Ternary 1111102222021221
4 Quaternary 1101333121021
5 Quinary 21000241241
6 Senary 2044402041
8 Octal 121773111
10 Decimal 21493321
12 Duodecimal 7246321
16 Hexadecimal 147f649
20 Vigesimal 6e6d61
36 Base36 csocp

Cryptographic Hash Functions

md5 948a169700557f7b4ff5e025ebf3d335
sha1 2801c013e4f92e87344311729b97f4b6a57ccefb
sha256 bc3956d89ecf7ca6b6ea5373e4232691045ce7663f9ae26f5ec37d34c71e3bd2
sha512 619fcf91c73dde9e1e67da03523b4daf91c5d29b449898f0c0538edc504f2ecbc0e394c09596b8663371586e014d9b7e0948d7bf1ded5529a475f05b11e08912
ripemd-160 ba0430545a8311a325deed36310a6ed8a06afd74

21493321 as geometric shapes

Circle

Radius = n
Diameter 42986642
Circumference 135046518.70969
Area 1.45129908828E+15

Sphere

Radius = n
Volume 4.1590982895212E+22
Surface area 5.8051963531199E+15
Circumference 135046518.70969

Square

Length = n
Perimeter 85973284
Area 461962847609041
Diagonal 30396146.058638

Cube

Length = n
Surface area 2771777085654246
Volume 9.9291157737352E+21
Space diagonal 37227523.995387

Equilateral Triangle

Length = n
Perimeter 64479963
Area 2.0003578081701E+14
Altitude 18613761.997694

Triangular Pyramid

Length = n
Surface area 2.0003578081701E+14
Volume 1.1701575157991E+21
Height 10132048.686213