21102972 is an even 8-digits composite number following 21102971
and preceding 21102973 . In scientific notation, it is written as 2.1102972 × 10^7.
The sum of its digits is 24. It has a total of 5 prime factors and 24 positive divisors.
There are 6394800 positive integers (up to 21102972) that are relatively prime to 21102972.
21102972 has 24 divisors, whose sum is 53716992
The reverse of 21102972 is 27920112
Previous prime number is 11
Is Prime? no
Number parity even
Number length 8
Sum of Digits 24
Digital Root 6
Name
twenty-one million one hundred two thousand nine hundred seventy-two
Scientific notation
2.1102972 × 10^7
Engineering notation
2.1102972 × 10^6
Prime Factorization
2 × 2 × 3 × 11 × 159871
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10551486
Product of the distinct prime numbers
The prime factorization of 21102972 is 2 × 2 × 3 × 11 × 159871.
Since it has a total of 5 prime factors.
2 , 3 , 17 , 38 , 682 , 343 , 4307 , 7908 , 47219 , 22959 , 133848 , 926614 , 172712 , 6549648 , 18251347 , 39792016 , 644221002 , 13207611 , 8408334067 , 5278089406
n×2
42205944
n×3
63308916
n×4
84411888
n×5
105514860
n÷2
10551486
n÷3
7034324
n÷3
5275743
n÷5
4220594.4
n2
445335427232784
n3
9.3979010515015E+21
n4
1.9832364274861E+29
n5
4.1852182798618E+36
2 √n
4593.7971222073
3 √n
276.34262217713
4 √n
67.777556183498
5 √n
29.165452881019
1 , 2 , 3 , 4 , 6 , 11 , 12 , 22 , 33 , 44 , 66 , 132 , 159871 , 319742 , 479613 , 639484 , 959226 , 1758581 , 1918452 , 3517162 , 5275743 , 7034324 , 10551486 , 21102972
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
-21102971
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 21102972 can be divided by 24 positive divisors.
The sum of these divisors (counting 21102972) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1010000100000000101111100
3
Ternary
1110201010211120
4
Quaternary
1100200011330
5
Quinary
20400243342
6
Senary
2032150540
8
Octal
120400574
10
Decimal
21102972
12
Duodecimal
7098450
16
Hexadecimal
142017c
20
Vigesimal
6bhh8c
36
Base36
ckb5o
md5
535e15140900285bd87daec8dbe2230c
sha1
f62a648549623a859718bdd3d679a9d88fa89d6b
sha256
5d552e532258862c17ed213db4c675691aa79d952c471d7dbd6e2580019f7780
sha512
372c2b283d316e00c11d4ec0d655e991c4166672f81b5cb2ee2eed294c598b083411f0d5a10e5ae394b2849d2abe3f63303a5aee62ed2b11412ff90d8aa34eb0
ripemd-160
79c5f096cd6a7a62af7994fd6f7e615713cfdcda
Diameter
42205944
Circumference
132593883.60822
Area
1.3990625065778E+15
Volume
3.9365835870081E+22
Surface area
5.5962500263111E+15
Circumference
132593883.60822
Perimeter
84411888
Area
445335427232784
Diagonal
29844109.20878
Surface area
2672012563396704
Volume
9.3979010515015E+21
Space diagonal
36551419.694703
Perimeter
63308916
Area
1.9283589659439E+14
Altitude
18275709.847352
Surface area
1.9283589659439E+14
Volume
1.1075532604061E+21
Height
9948036.4029266