21998943 is an odd 8-digits composite number following 21998942
and preceding 21998944 . In scientific notation, it is written as 2.1998943 × 10^7.
The sum of its digits is 45. It has a total of 3 prime factors and 8 positive divisors.
There are 14607360 positive integers (up to 21998943) that are relatively prime to 21998943.
21998943 has 8 divisors, whose sum is 24540960
The reverse of 21998943 is 34989912
Previous prime number is 257
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 45
Digital Root 9
Name
twenty-one million nine hundred ninety-eight thousand nine hundred forty-three
Scientific notation
2.1998943 × 10^7
Engineering notation
2.1998943 × 10^6
Prime Factorization
9 × 257 × 9511
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21998943
Product of the distinct prime numbers
The prime factorization of 21998943 is 9 × 257 × 9511.
Since it has a total of 3 prime factors.
10 , 9 , 74 , 28 , 823 , 25 , 9423 , 4664 , 11496 , 20103 , 912867 , 841348 , 4501322 , 7152069 , 62919601 , 42858676 , 170224592 , 7011034 , 2913807647 , 2261068622
n×2
43997886
n×3
65996829
n×4
87995772
n×5
109994715
n÷2
10999471.5
n÷3
7332981
n÷3
5499735.75
n÷5
4399788.6
n2
483953493117249
n3
1.0646465309737E+22
n4
2.3421098350039E+29
n5
5.152394075999E+36
2 √n
4690.3030818914
3 √n
280.19944548523
4 √n
68.485787444487
5 √n
29.409007146243
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
-21998942
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 21998943 can be divided by 8 positive divisors.
The sum of these divisors (counting 21998943) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010011111010110101011111
3
Ternary
1112101122212200
4
Quaternary
1103322311133
5
Quinary
21112431233
6
Senary
2103302543
8
Octal
123726537
10
Decimal
21998943
12
Duodecimal
744aa53
16
Hexadecimal
14fad5f
20
Vigesimal
6h9h73
36
Base36
d3ihr
md5
09e3ba20c31710b1b33f769c2299fa5f
sha1
5744c686a717df36a07e67d05be240a5697e58ae
sha256
969a6915935a194462e03226c4e3dc1699814bc6f2b8406961fb50b135062a7a
sha512
d78322a0f24c808dba4d25dd15fadf94969ef5f16a94fb14d70074b0f7e05712513a9a5cf47e6470a5eaa2d94151ff695fa156addb61b150581c80e518be1858
ripemd-160
03b642c45f2a2736c622c69f5a7c9a65270f3a3f
Diameter
43997886
Circumference
138223435.43108
Area
1.5203847386563E+15
Volume
4.4595809605026E+22
Surface area
6.0815389546251E+15
Circumference
138223435.43108
Perimeter
87995772
Area
483953493117249
Diagonal
31111203.548473
Surface area
2903720958703494
Volume
1.0646465309737E+22
Space diagonal
38103286.988812
Perimeter
65996829
Area
2.0955800964488E+14
Altitude
19051643.494406
Surface area
2.0955800964488E+14
Volume
1.2546979693638E+21
Height
10370401.182824