21807712 is an even 8-digits composite number following 21807711
and preceding 21807713 . In scientific notation, it is written as 2.1807712 × 10^7.
The sum of its digits is 28. It has a total of 7 prime factors and 24 positive divisors.
There are 10876800 positive integers (up to 21807712) that are relatively prime to 21807712.
21807712 has 24 divisors, whose sum is 43040592
The reverse of 21807712 is 21770812
Previous prime number is 1031
Is Prime? no
Number parity even
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty-one million eight hundred seven thousand seven hundred twelve
Scientific notation
2.1807712 × 10^7
Engineering notation
2.1807712 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 1031 × 661
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
7
Total number of prime factors
rad
Radical
1362982
Product of the distinct prime numbers
The prime factorization of 21807712 is 2 × 2 × 2 × 2 × 2 × 1031 × 661.
Since it has a total of 7 prime factors.
10 , 10 , 55 , 68 , 182 , 208 , 7387 , 387 , 58509 , 6387 , 656777 , 966662 , 2449426 , 6238437 , 62711331 , 8753904 , 630995699 , 951021762 , 8586862950 , 4954743956
n×2
43615424
n×3
65423136
n×4
87230848
n×5
109038560
n÷2
10903856
n÷3
7269237.3333333
n÷3
5451928
n÷5
4361542.4
n2
475576302674944
n3
1.037123104276E+22
n4
2.2617281966597E+29
n5
4.9323117135034E+36
2 √n
4669.872803407
3 √n
279.38518159438
4 √n
68.336467595325
5 √n
29.357699487138
1 , 2 , 4 , 8 , 16 , 32 , 661 , 1031 , 1322 , 2062 , 2644 , 4124 , 5288 , 8248 , 10576 , 16496 , 21152 , 32992 , 681491 , 1362982 , 2725964 , 5451928 , 10903856 , 21807712
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
-21807711
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 21807712 can be divided by 24 positive divisors.
The sum of these divisors (counting 21807712) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1010011001100001001100000
3
Ternary
1112000221120001
4
Quaternary
1103030021200
5
Quinary
21040321322
6
Senary
2055225344
8
Octal
123141140
10
Decimal
21807712
12
Duodecimal
7378254
16
Hexadecimal
14cc260
20
Vigesimal
6g5j5c
36
Base36
czexs
md5
e276f03aba6f259291d1cd50dc3209c0
sha1
2fabe908e4c3da59c6581a4d78c78da5d2100050
sha256
688519f9a835f346b680e7fb4d15694c8bbe199b1c52d08c97820bb095569315
sha512
fe614fdccd0179235d398d87e44a713b7bedac2084e39c7cd32c707c7811c96cdbafe503cf3e6a15d65d6fd92ab1d4bc2ebe4bdf67b2e9a826b2d7d7c32faba2
ripemd-160
1edadfb4f52b806773deb31da7fad7e69c89cfc8
Diameter
43615424
Circumference
137021895.6216
Area
1.494067018705E+15
Volume
4.344291100349E+22
Surface area
5.97626807482E+15
Circumference
137021895.6216
Perimeter
87230848
Area
475576302674944
Diagonal
30840762.074726
Surface area
2853457816049664
Volume
1.037123104276E+22
Space diagonal
37772065.180829
Perimeter
65423136
Area
2.0593057977719E+14
Altitude
18886032.590415
Surface area
2.0593057977719E+14
Volume
1.2222612999313E+21
Height
10280254.024909