21497854 (number)

21497854 is an even 8-digits composite number following 21497853 and preceding 21497855. In scientific notation, it is written as 2.1497854 × 10^7. The sum of its digits is 40. It has a total of 4 prime factors and 16 positive divisors. There are 8728344 positive integers (up to 21497854) that are relatively prime to 21497854.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1497854 × 10^7
Engineering notation 2.1497854 × 10^6

Prime Factorization of 21497854

Prime Factorization 2 × 7 × 19 × 80819

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21497854
Product of the distinct prime numbers

The prime factorization of 21497854 is 2 × 7 × 19 × 80819. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 7, 75, 84, 891, 519, 3550, 6542, 50067, 38665, 100759, 221411, 3571535, 4429026, 28082588, 29866422, 48147145, 502254825, 9009489736, 6663083203

Basic calculations (n = 21497854)

Multiplication

n×y
n×2 42995708
n×3 64493562
n×4 85991416
n×5 107489270

Division

n÷y
n÷2 10748927
n÷3 7165951.3333333
n÷3 5374463.5
n÷5 4299570.8

Exponentiation

ny
n2 462157726605316
n3 9.935399331533E+21
n4 2.1358976426099E+29
n5 4.5917215679773E+36

Nth Root

y√n
2√n 4636.5778328418
3√n 278.05563643296
4√n 68.092421258476
5√n 29.2737946369

Divisors of 21497854

1, 2, 7, 14, 19, 38, 133, 266, 80819, 161638, 565733, 1131466, 1535561, 3071122, 10748927, 21497854

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 -21497853
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 21497854 can be divided by 16 positive divisors. The sum of these divisors (counting 21497854) is 1, the average is 0.0625.

Base conversion 21497854

Base System Value
2 Binary 1010010000000011111111110
3 Ternary 1111110012111211
4 Quaternary 1102000133332
5 Quinary 21000412404
6 Senary 2044435034
8 Octal 122003776
10 Decimal 21497854
12 Duodecimal 7248a7a
16 Hexadecimal 14807fe
20 Vigesimal 6e74ce
36 Base36 csrum

Cryptographic Hash Functions

md5 ff0abaa2b5bcce97e615309573e82f97
sha1 74987deeac76e75c42477949a2de371a63b1a877
sha256 be300fc33d444d362650330220c7ca8e7ad728fb030b277c0a6f700f6f853336
sha512 5911b1753e6b880f59dc6983d30995cad5e79105ad818038a9456e9679be3c6259a18e9629aa22317d2fb2ec2d3b063cef1d0050449178dc0e8c6e906d8590c9
ripemd-160 96b20c1bbfee1221b7ca37465d0be34e6a73facd

21497854 as geometric shapes

Circle

Radius = n
Diameter 42995708
Circumference 135075000.38869
Area 1.451911318703E+15

Sphere

Radius = n
Volume 4.1617303400567E+22
Surface area 5.8076452748121E+15
Circumference 135075000.38869

Square

Length = n
Perimeter 85991416
Area 462157726605316
Diagonal 30402556.688717

Cube

Length = n
Surface area 2772946359631896
Volume 9.935399331533E+21
Space diagonal 37235375.381698

Equilateral Triangle

Length = n
Perimeter 64493562
Area 2.0012016589773E+14
Altitude 18617687.690849

Triangular Pyramid

Length = n
Surface area 2.0012016589773E+14
Volume 1.1708980401872E+21
Height 10134185.562906