21146972 (number)

21146972 is an even 8-digits composite number following 21146971 and preceding 21146973. In scientific notation, it is written as 2.1146972 × 10^7. The sum of its digits is 32. It has a total of 5 prime factors and 24 positive divisors. There are 8238960 positive integers (up to 21146972) that are relatively prime to 21146972.

Interesting facts

Basic properties

Name

Name twenty-one million one hundred forty-six thousand nine hundred seventy-two

Notation

Scientific notation 2.1146972 × 10^7
Engineering notation 2.1146972 × 10^6

Prime Factorization of 21146972

Prime Factorization 2 × 2 × 7 × 11 × 68659

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10573486
Product of the distinct prime numbers

The prime factorization of 21146972 is 2 × 2 × 7 × 11 × 68659. Since it has a total of 5 prime factors.

Most popular turbo-numbers

1, 5, 90, 76, 963, 823, 2429, 8344, 1214, 22768, 714810, 328983, 7660794, 4794143, 21691877, 58643984, 176954504, 919362146, 2869753007, 6923068201

Basic calculations (n = 21146972)

Multiplication

n×y
n×2 42293944
n×3 63440916
n×4 84587888
n×5 105734860

Division

n÷y
n÷2 10573486
n÷3 7048990.6666667
n÷3 5286743
n÷5 4229394.4

Exponentiation

ny
n2 447194424768784
n3 9.4568079791416E+21
n4 1.9998285354428E+29
n5 4.2290318043811E+36

Nth Root

y√n
2√n 4598.5836950087
3√n 276.53454829596
4√n 67.812857888521
5√n 29.177604828156

Divisors of 21146972

1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 68659, 137318, 274636, 480613, 755249, 961226, 1510498, 1922452, 3020996, 5286743, 10573486, 21146972

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21146971
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21146972 can be divided by 24 positive divisors. The sum of these divisors (counting 21146972) is 1, the average is 0.041666666666667.

Base conversion 21146972

Base System Value
2 Binary 1010000101010110101011100
3 Ternary 1110210101012012
4 Quaternary 1100222311130
5 Quinary 20403200342
6 Senary 2033130352
8 Octal 120526534
10 Decimal 21146972
12 Duodecimal 70b99b8
16 Hexadecimal 142ad5c
20 Vigesimal 6c378c
36 Base36 cl93w

Cryptographic Hash Functions

md5 03f23a3b520266e7d178968bc19949bc
sha1 736d50e8b6eb605be1f1e9a0f53aa60bd3763072
sha256 6eb2d7ab2a7eef275704441a3675f2ed336c04eb104a7deae80f2e3d4b07e3d6
sha512 54e252100fda31501f582700515bfefd4c3ef3ce37dd02b78bd600691279f0565595802ac2e3af964c88c5746e086bb03d6d8d0b633a377eb2a4bed10aaaaef8
ripemd-160 4a95be56107ebdfaaf97a0612a8a80121c81a536

21146972 as geometric shapes

Circle

Radius = n
Diameter 42293944
Circumference 132870343.76174
Area 1.4049027195799E+15

Sphere

Radius = n
Volume 3.9612584631574E+22
Surface area 5.6196108783197E+15
Circumference 132870343.76174

Square

Length = n
Perimeter 84587888
Area 447194424768784
Diagonal 29906334.605524

Cube

Length = n
Surface area 2683166548612704
Volume 9.4568079791416E+21
Space diagonal 36627629.930236

Equilateral Triangle

Length = n
Perimeter 63440916
Area 1.9364086614027E+14
Altitude 18313814.965118

Triangular Pyramid

Length = n
Surface area 1.9364086614027E+14
Volume 1.114495508405E+21
Height 9968778.2018414