21708807 is an odd 8-digits composite number following 21708806
and preceding 21708808 . In scientific notation, it is written as 2.1708807 × 10^7.
The sum of its digits is 33. It has a total of 2 prime factors and 4 positive divisors.
There are 14472536 positive integers (up to 21708807) that are relatively prime to 21708807.
21708807 has 4 divisors, whose sum is 28945080
The reverse of 21708807 is 70880712
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6
Name
twenty-one million seven hundred eight thousand eight hundred seven
Scientific notation
2.1708807 × 10^7
Engineering notation
2.1708807 × 10^6
Prime Factorization
3 × 7236269
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21708807
Product of the distinct prime numbers
The prime factorization of 21708807 is 3 × 7236269.
Since it has a total of 2 prime factors.
4 , 10 , 27 , 48 , 791 , 341 , 6929 , 3422 , 20267 , 53300 , 518606 , 272666 , 7899440 , 3402291 , 2653998 , 82682938 , 338158168 , 938116069 , 9943929870 , 6758830751
n×2
43417614
n×3
65126421
n×4
86835228
n×5
108544035
n÷2
10854403.5
n÷3
7236269
n÷3
5427201.75
n÷5
4341761.4
n2
471272301363249
n3
1.0230759434741E+22
n4
2.2209758203221E+29
n5
4.821473543504E+36
2 √n
4659.2710803301
3 √n
278.96217418619
4 √n
68.258853494108
5 √n
29.331021721087
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21708806
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21708807 can be divided by 4 positive divisors.
The sum of these divisors (counting 21708807) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010010110100000000000111
3
Ternary
1111211220212220
4
Quaternary
1102310000013
5
Quinary
21024140212
6
Senary
2053143423
8
Octal
122640007
10
Decimal
21708807
12
Duodecimal
732ab73
16
Hexadecimal
14b4007
20
Vigesimal
6fdc07
36
Base36
cxamf
md5
f5390acb4e6f4ff67238d0ac55da2a12
sha1
8be11d0e7760a0e1710e92fbad38f4fde5d45fe9
sha256
fced5bbffff431a6da8dbcd0ab6f3bb09ed2f0968f0716531e51ab3d6a89aa4a
sha512
542c3334cad6df3080b80a1dc38ba54477e27cd9788478cad3a84255b8c927f919863db2ea8daf406f045a87eca3fe8207b5e955083e737c50cff61041ec4701
ripemd-160
e83982c926baa13a972fc0b3c92bf005db9b46c6
Diameter
43417614
Circumference
136400457.1788
Area
1.4805455998031E+15
Volume
4.2854504907767E+22
Surface area
5.9221823992126E+15
Circumference
136400457.1788
Perimeter
86835228
Area
471272301363249
Diagonal
30700889.28234
Surface area
2827633808179494
Volume
1.0230759434741E+22
Space diagonal
37600756.695707
Perimeter
65126421
Area
2.0406689254026E+14
Altitude
18800378.347853
Surface area
2.0406689254026E+14
Volume
1.2057065621656E+21
Height
10233629.76078