21949797 is an odd 8-digits composite number following 21949796
and preceding 21949798 . In scientific notation, it is written as 2.1949797 × 10^7.
The sum of its digits is 48. It has a total of 3 prime factors and 8 positive divisors.
There are 13995960 positive integers (up to 21949797) that are relatively prime to 21949797.
21949797 has 8 divisors, whose sum is 23237760
The reverse of 21949797 is 79794912
Previous prime number is 23
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 48
Digital Root 3
Name
twenty-one million nine hundred forty-nine thousand seven hundred ninety-seven
Scientific notation
2.1949797 × 10^7
Engineering notation
2.1949797 × 10^6
Prime Factorization
69 × 23 × 13831
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21949797
Product of the distinct prime numbers
The prime factorization of 21949797 is 69 × 23 × 13831.
Since it has a total of 3 prime factors.
5 , 8 , 61 , 98 , 361 , 845 , 4514 , 5292 , 60558 , 27074 , 800579 , 947008 , 1492457 , 3323578 , 29586089 , 70740057 , 100162788 , 199692019 , 5386757732 , 7169654173
n×2
43899594
n×3
65849391
n×4
87799188
n×5
109748985
n÷2
10974898.5
n÷3
7316599
n÷3
5487449.25
n÷5
4389959.4
n2
481793588341209
n3
1.0575271459991E+22
n4
2.321250617667E+29
n5
5.0950979843915E+36
2 √n
4685.0610454934
3 √n
279.99063319006
4 √n
68.447505765319
5 √n
29.395855347449
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21949796
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21949797 can be divided by 8 positive divisors.
The sum of these divisors (counting 21949797) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010011101110110101100101
3
Ternary
1112022011110110
4
Quaternary
1103232311211
5
Quinary
21104343142
6
Senary
2102243233
8
Octal
123566545
10
Decimal
21949797
12
Duodecimal
7426519
16
Hexadecimal
14eed65
20
Vigesimal
6h3e9h
36
Base36
d2gkl
md5
1bfb5c67ac583f0a0a326a02b5c160c9
sha1
9a3c476bb96fe9094258612c87bc7d669c3f0426
sha256
c1f408c4c0512484d472bdcedbc4d50eed2dae48fe28b6421a3944d465bce8d2
sha512
6d6eba218deb3630e151461a2751a7a974a202bf5a9b3d6730b5fe91a5d1611ad677b19675870f4a999fe5aed2c4967fb49b799079728e7eb293bbf53fca6a36
ripemd-160
c953e9be4101867902b7bce11d826753a10777f5
Diameter
43899594
Circumference
137914642.00597
Area
1.5135991976794E+15
Volume
4.4297593504568E+22
Surface area
6.0543967907176E+15
Circumference
137914642.00597
Perimeter
87799188
Area
481793588341209
Diagonal
31041700.608736
Surface area
2890761530047254
Volume
1.0575271459991E+22
Space diagonal
38018163.619823
Perimeter
65849391
Area
2.0862274344197E+14
Altitude
19009081.809911
Surface area
2.0862274344197E+14
Volume
1.246307693708E+21
Height
10347233.536245