21998941 is an odd 8-digits composite number following 21998940
and preceding 21998942 . In scientific notation, it is written as 2.1998941 × 10^7.
The sum of its digits is 43. It has a total of 2 prime factors and 4 positive divisors.
There are 20841084 positive integers (up to 21998941) that are relatively prime to 21998941.
21998941 has 4 divisors, whose sum is 23156800
The reverse of 21998941 is 14989912
Previous prime number is 19
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 43
Digital Root 7
Name
twenty-one million nine hundred ninety-eight thousand nine hundred forty-one
Scientific notation
2.1998941 × 10^7
Engineering notation
2.1998941 × 10^6
Prime Factorization
19 × 1157839
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21998941
Product of the distinct prime numbers
The prime factorization of 21998941 is 19 × 1157839.
Since it has a total of 2 prime factors.
5 , 1 , 77 , 59 , 937 , 397 , 9182 , 2244 , 34917 , 33488 , 39324 , 106226 , 1421132 , 8098136 , 55305736 , 11085792 , 185595924 , 62892428 , 6968894644 , 4790406680
n×2
43997882
n×3
65996823
n×4
87995764
n×5
109994705
n÷2
10999470.5
n÷3
7332980.3333333
n÷3
5499735.25
n÷5
4399788.2
n2
483953405121481
n3
1.0646462406017E+22
n4
2.3421089832868E+29
n5
5.1523917338895E+36
2 √n
4690.3028686856
3 √n
280.19943699392
4 √n
68.485785887917
5 √n
29.409006611508
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
-21998940
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 21998941 can be divided by 4 positive divisors.
The sum of these divisors (counting 21998941) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010011111010110101011101
3
Ternary
1112101122212121
4
Quaternary
1103322311131
5
Quinary
21112431231
6
Senary
2103302541
8
Octal
123726535
10
Decimal
21998941
12
Duodecimal
744aa51
16
Hexadecimal
14fad5d
20
Vigesimal
6h9h71
36
Base36
d3ihp
md5
02bb8e1e3fc0b7c283ccae2b4a1a6ef0
sha1
89c79092d5b8a28d5507c204c31b5280d05f4bc0
sha256
1fd00b744b09391ea464a0a06bfbbdd2bc9d22646c6e022a8fa00a9fdc4c7155
sha512
af081eb978bb52ef2014337b547b0fc1acfe1aa807d8eb2d65e11a1d7cfddf6c947b261a548508c23a8b766afd755311581a2ac70112a2af592ea7f7a988cac3
ripemd-160
a1fdb7a204f53d04115af35c321f25cc9aeb1eef
Diameter
43997882
Circumference
138223422.86471
Area
1.5203844622094E+15
Volume
4.4595797441949E+22
Surface area
6.0815378488376E+15
Circumference
138223422.86471
Perimeter
87995764
Area
483953405121481
Diagonal
31111200.720046
Surface area
2903720430728886
Volume
1.0646462406017E+22
Space diagonal
38103283.52471
Perimeter
65996823
Area
2.0955797154159E+14
Altitude
19051641.762355
Surface area
2.0955797154159E+14
Volume
1.254697627157E+21
Height
10370400.240015