21609972 is an even 8-digits composite number following 21609971
and preceding 21609973 . In scientific notation, it is written as 2.1609972 × 10^7.
The sum of its digits is 36. It has a total of 6 prime factors and 36 positive divisors.
There are 6889872 positive integers (up to 21609972) that are relatively prime to 21609972.
21609972 has 36 divisors, whose sum is 57002400
The reverse of 21609972 is 27990612
Previous prime number is 23
Is Prime? no
Number parity even
Number length 8
Sum of Digits 36
Digital Root 9
Name
twenty-one million six hundred nine thousand nine hundred seventy-two
Scientific notation
2.1609972 × 10^7
Engineering notation
2.1609972 × 10^6
Prime Factorization
2 × 2 × 3 × 3 × 23 × 26099
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
3601662
Product of the distinct prime numbers
The prime factorization of 21609972 is 2 × 2 × 3 × 3 × 23 × 26099.
Since it has a total of 6 prime factors.
9 , 4 , 40 , 46 , 55 , 995 , 374 , 2325 , 58754 , 79073 , 925677 , 24484 , 3155749 , 828027 , 81141097 , 38652601 , 866684804 , 144175260 , 1367706472 , 716246077
n×2
43219944
n×3
64829916
n×4
86439888
n×5
108049860
n÷2
10804986
n÷3
7203324
n÷3
5402493
n÷5
4321994.4
n2
466990889840784
n3
1.0091660053714E+22
n4
2.1808049119429E+29
n5
4.7127133084548E+36
2 √n
4648.6527080435
3 √n
278.53818076009
4 √n
68.181028945327
5 √n
29.30426552711
1 , 2 , 3 , 4 , 6 , 9 , 12 , 18 , 23 , 36 , 46 , 69 , 92 , 138 , 207 , 276 , 414 , 828 , 26099 , 52198 , 78297 , 104396 , 156594 , 234891 , 313188 , 469782 , 600277 , 939564 , 1200554 , 1800831 , 2401108 , 3601662 , 5402493 , 7203324 , 10804986 , 21609972
36 divisors
τ
Total Divisors
36
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21609971
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.027777777777778
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
36
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21609972 can be divided by 36 positive divisors.
The sum of these divisors (counting 21609972) is 1, the average is 0.027777777777778.
Base
System
Value
2
Binary
1010010011011110111110100
3
Ternary
1111122220022100
4
Quaternary
1102123313310
5
Quinary
21013004342
6
Senary
2051102100
8
Octal
122336764
10
Decimal
21609972
12
Duodecimal
72a1930
16
Hexadecimal
149bdf4
20
Vigesimal
6f14ic
36
Base36
cv6d0
md5
ffc6280769c6b9b6c1268f7919893f61
sha1
f2a26e7f51e6895027a815163e15daf5788912c2
sha256
5a97d9410381cdb833c3a987ac699304867f30a60c1e1a26ec12fdc10015066a
sha512
05a940cd3c17d5a7b44733b00d765cbb7beacf355debc81d61455c800c0c918cc289607269ef8c9f096a1c6d3bb41c36053400f4aca434dd2093ca403c2eb77e
ripemd-160
b4d832ecfd29e7c2e912704f2f84e552418014de
Diameter
43219944
Circumference
135779458.55896
Area
1.4670951488172E+15
Volume
4.2271846783033E+22
Surface area
5.8683805952687E+15
Circumference
135779458.55896
Perimeter
86439888
Area
466990889840784
Diagonal
30561115.484903
Surface area
2801945339044704
Volume
1.0091660053714E+22
Space diagonal
37429569.454141
Perimeter
64829916
Area
2.0221298696901E+14
Altitude
18714784.72707
Surface area
2.0221298696901E+14
Volume
1.1893135429018E+21
Height
10187038.494968