21001854 (number)

21001854 is an even 8-digits composite number following 21001853 and preceding 21001855. In scientific notation, it is written as 2.1001854 × 10^7. The sum of its digits is 21. It has a total of 4 prime factors and 16 positive divisors. There are 6959808 positive integers (up to 21001854) that are relatively prime to 21001854.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1001854 × 10^7
Engineering notation 2.1001854 × 10^6

Prime Factorization of 21001854

Prime Factorization 2 × 3 × 173 × 20233

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21001854
Product of the distinct prime numbers

The prime factorization of 21001854 is 2 × 3 × 173 × 20233. Since it has a total of 4 prime factors.

Most popular turbo-numbers

10, 1, 42, 56, 381, 80, 206, 555, 99355, 56903, 701083, 460677, 4682685, 1021041, 92557386, 61891431, 234302600, 244127699, 1291816297, 6625430094

Basic calculations (n = 21001854)

Multiplication

n×y
n×2 42003708
n×3 63005562
n×4 84007416
n×5 105009270

Division

n÷y
n÷2 10500927
n÷3 7000618
n÷3 5250463.5
n÷5 4200370.8

Exponentiation

ny
n2 441077871437316
n3 9.2634530585573E+21
n4 1.9454968867167E+29
n5 4.0859041572279E+36

Nth Root

y√n
2√n 4582.7779784755
3√n 275.90053651891
4√n 67.696218346932
5√n 29.137449042611

Divisors of 21001854

1, 2, 3, 6, 173, 346, 519, 1038, 20233, 40466, 60699, 121398, 3500309, 7000618, 10500927, 21001854

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 -21001853
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 21001854 can be divided by 16 positive divisors. The sum of these divisors (counting 21001854) is 1, the average is 0.0625.

Base conversion 21001854

Base System Value
2 Binary 1010000000111011001111110
3 Ternary 1110112000010110
4 Quaternary 1100013121332
5 Quinary 20334024404
6 Senary 2030050450
8 Octal 120073176
10 Decimal 21001854
12 Duodecimal 7049a26
16 Hexadecimal 140767e
20 Vigesimal 6b54ce
36 Base36 ci54u

Cryptographic Hash Functions

md5 4550fa79cfb103fe67b54540b089b442
sha1 fda5a2925630fce21e9c17c37c8d0c116ebc48a4
sha256 35d3b5f43dcc3a73d5fd5d09211d3a1132aa0cdf2de8bbbcb1b36512f271e737
sha512 3ee0f4cb52a75c4c2dfe2304ab2f5d10f458664114058cc6d0734a5386fca337a097f397082c9b41b0b10d0d8276afd0e445fda817c1db09b139941517289739
ripemd-160 d1a225f011c5be36417b18405f8cda31bd154a27

21001854 as geometric shapes

Circle

Radius = n
Diameter 42003708
Circumference 131958540.47633
Area 1.3856870005685E+15

Sphere

Radius = n
Volume 3.8802661434183E+22
Surface area 5.542748002274E+15
Circumference 131958540.47633

Square

Length = n
Perimeter 84007416
Area 441077871437316
Diagonal 29701106.76178

Cube

Length = n
Surface area 2646467228623896
Volume 9.2634530585573E+21
Space diagonal 36376278.181144

Equilateral Triangle

Length = n
Perimeter 63005562
Area 1.9099232085594E+14
Altitude 18188139.090572

Triangular Pyramid

Length = n
Surface area 1.9099232085594E+14
Volume 1.0917084124849E+21
Height 9900368.9205932