21490854 (number)

21490854 is an even 8-digits composite number following 21490853 and preceding 21490855. In scientific notation, it is written as 2.1490854 × 10^7. The sum of its digits is 33. It has a total of 5 prime factors and 32 positive divisors. There are 5529600 positive integers (up to 21490854) that are relatively prime to 21490854.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1490854 × 10^7
Engineering notation 2.1490854 × 10^6

Prime Factorization of 21490854

Prime Factorization 2 × 77 × 3 × 257 × 181

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 21490854
Product of the distinct prime numbers

The prime factorization of 21490854 is 2 × 77 × 3 × 257 × 181. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21490854)

Multiplication

n×y
n×2 42981708
n×3 64472562
n×4 85963416
n×5 107454270

Division

n÷y
n÷2 10745427
n÷3 7163618
n÷3 5372713.5
n÷5 4298170.8

Exponentiation

ny
n2 461856805649316
n3 9.9256971791158E+21
n4 2.1331170892459E+29
n5 4.5842507929889E+36

Nth Root

y√n
2√n 4635.8229042965
3√n 278.02545356369
4√n 68.086877621877
5√n 29.271887997687

Divisors of 21490854

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21490853
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21490854 can be divided by 32 positive divisors. The sum of these divisors (counting 21490854) is 1, the average is 0.03125.

Base conversion 21490854

Base System Value
2 Binary 1010001111110110010100110
3 Ternary 1111102211220120
4 Quaternary 1101332302212
5 Quinary 21000201404
6 Senary 2044342410
8 Octal 121766246
10 Decimal 21490854
12 Duodecimal 7244a06
16 Hexadecimal 147eca6
20 Vigesimal 6e672e
36 Base36 csmg6

Cryptographic Hash Functions

md5 f8c1687d9d1a05493206d5dde382fc70
sha1 cd65e7166cf595ffcd188942514520850bfd4a44
sha256 8807c6c43d9dcb4ff385378f492b432909bc836ccdce3533ce2f9af823171945
sha512 d8a262850176a212e1867f9ec99a461b27d21cc13564fa94ec7707a8d26839dc44a0a18ae38058035612348817ebc579b6680d93b5e45eb863e05986cf843fd3
ripemd-160 eae44fc462ec0bfb1f7c667e7d78247919647643

21490854 as geometric shapes

Circle

Radius = n
Diameter 42981708
Circumference 135031018.09154
Area 1.4509659476383E+15

Sphere

Radius = n
Volume 4.1576663119556E+22
Surface area 5.8038637905534E+15
Circumference 135031018.09154

Square

Length = n
Perimeter 85963416
Area 461856805649316
Diagonal 30392657.19378

Cube

Length = n
Surface area 2771140833895896
Volume 9.9256971791158E+21
Space diagonal 37223251.026045

Equilateral Triangle

Length = n
Perimeter 64472562
Area 1.9998986330152E+14
Altitude 18611625.513022

Triangular Pyramid

Length = n
Surface area 1.9998986330152E+14
Volume 1.1697546305595E+21
Height 10130885.73126