21498021 (number)

21498021 is an odd 8-digits composite number following 21498020 and preceding 21498022. In scientific notation, it is written as 2.1498021 × 10^7. The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors. There are 14234400 positive integers (up to 21498021) that are relatively prime to 21498021.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1498021 × 10^7
Engineering notation 2.1498021 × 10^6

Prime Factorization of 21498021

Prime Factorization 9 × 3 × 151 × 5273

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21498021
Product of the distinct prime numbers

The prime factorization of 21498021 is 9 × 3 × 151 × 5273. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 6, 24, 19, 321, 810, 1512, 491, 43428, 28051, 926413, 461258, 3992727, 2405906, 50622300, 43655795, 71811177, 808699527, 1636037664, 6331995318

Basic calculations (n = 21498021)

Multiplication

n×y
n×2 42996042
n×3 64494063
n×4 85992084
n×5 107490105

Division

n÷y
n÷2 10749010.5
n÷3 7166007
n÷3 5374505.25
n÷5 4299604.2

Exponentiation

ny
n2 462164906916441
n3 9.9356308743527E+21
n4 2.1359640118508E+29
n5 4.5918999182013E+36

Nth Root

y√n
2√n 4636.5958417788
3√n 278.05635642995
4√n 68.092553497271
5√n 29.273840117798

Divisors of 21498021

1, 3, 9, 27, 151, 453, 1359, 4077, 5273, 15819, 47457, 142371, 796223, 2388669, 7166007, 21498021

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21498020
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21498021 can be divided by 16 positive divisors. The sum of these divisors (counting 21498021) is 1, the average is 0.0625.

Base conversion 21498021

Base System Value
2 Binary 1010010000000100010100101
3 Ternary 1111110012202000
4 Quaternary 1102000202211
5 Quinary 21000414041
6 Senary 2044435513
8 Octal 122004245
10 Decimal 21498021
12 Duodecimal 7248b99
16 Hexadecimal 14808a5
20 Vigesimal 6e7511
36 Base36 csrz9

Cryptographic Hash Functions

md5 c4e7930d4d25d7e1f8dcfca3f1f0377e
sha1 8eaa581ccb4ae6d0745b3f7654fb52ea8c9c82ea
sha256 4e187cf6032fc250c45d2259a65944884f4c36c1a9073c7eea63306580ba7118
sha512 fc797c369fc3bc1d070fb857de6104d1abbf8d330fe7b6f335cce7f93f1951ce36f9b1da1a57c0c866b8202a3a2031c56b16d64820ddde19cca4f5641a240ec3
ripemd-160 5fa63b3cdf2e83ae3601db0f99c3cbe121889d19

21498021 as geometric shapes

Circle

Radius = n
Diameter 42996042
Circumference 135076049.68064
Area 1.4519338763157E+15

Sphere

Radius = n
Volume 4.1618273284862E+22
Surface area 5.8077355052628E+15
Circumference 135076049.68064

Square

Length = n
Perimeter 85992084
Area 462164906916441
Diagonal 30402792.862382

Cube

Length = n
Surface area 2772989441498646
Volume 9.9356308743527E+21
Space diagonal 37235664.634183

Equilateral Triangle

Length = n
Perimeter 64494063
Area 2.0012327506365E+14
Altitude 18617832.317091

Triangular Pyramid

Length = n
Surface area 2.0012327506365E+14
Volume 1.1709253277702E+21
Height 10134264.287461