21998942 is an even 8-digits composite number following 21998941
and preceding 21998943 . In scientific notation, it is written as 2.1998942 × 10^7.
The sum of its digits is 44. It has a total of 5 prime factors and 24 positive divisors.
There are 9171792 positive integers (up to 21998942) that are relatively prime to 21998942.
21998942 has 24 divisors, whose sum is 39429864
The reverse of 21998942 is 24989912
Previous prime number is 37
Is Prime? no
Number parity even
Number length 8
Sum of Digits 44
Digital Root 8
Name
twenty-one million nine hundred ninety-eight thousand nine hundred forty-two
Scientific notation
2.1998942 × 10^7
Engineering notation
2.1998942 × 10^6
Prime Factorization
2 × 7 × 7 × 37 × 6067
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
3142706
Product of the distinct prime numbers
The prime factorization of 21998942 is 2 × 7 × 7 × 37 × 6067.
Since it has a total of 5 prime factors.
7 , 3 , 79 , 39 , 749 , 350 , 8786 , 2944 , 70715 , 20001 , 420709 , 636875 , 2870643 , 1177954 , 1736581 , 38575165 , 257917418 , 706728817 , 3894798270 , 5792602607
n×2
43997884
n×3
65996826
n×4
87995768
n×5
109994710
n÷2
10999471
n÷3
7332980.6666667
n÷3
5499735.5
n÷5
4399788.4
n2
483953449119364
n3
1.0646463857877E+22
n4
2.3421094091453E+29
n5
5.1523929049441E+36
2 √n
4690.3029752885
3 √n
280.19944123958
4 √n
68.485786666202
5 √n
29.409006878875
1 , 2 , 7 , 14 , 37 , 49 , 74 , 98 , 259 , 518 , 1813 , 3626 , 6067 , 12134 , 42469 , 84938 , 224479 , 297283 , 448958 , 594566 , 1571353 , 3142706 , 10999471 , 21998942
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
-21998941
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 21998942 can be divided by 24 positive divisors.
The sum of these divisors (counting 21998942) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1010011111010110101011110
3
Ternary
1112101122212122
4
Quaternary
1103322311132
5
Quinary
21112431232
6
Senary
2103302542
8
Octal
123726536
10
Decimal
21998942
12
Duodecimal
744aa52
16
Hexadecimal
14fad5e
20
Vigesimal
6h9h72
36
Base36
d3ihq
md5
63dc674c4009a647bc8584e532c0b171
sha1
96df3b86139655ac763bb8a56587bd80a139dc0c
sha256
da4a75a6af0d83e9d9bfc39b7a14758a5ffb08d251cb271bfdb7e613458ecb14
sha512
52b7ead0a689f0f8048af3c27e325b0b84019afd28a5bcb725847845c1b64a20d423b4cb0c2e52aad4c1964cdb2f35a3bb26def5986ddb88e9f2067448c27fc1
ripemd-160
d0b5602308a41b3cce1f9a7f616db0d8c6ba9ad2
Diameter
43997884
Circumference
138223429.1479
Area
1.5203846004328E+15
Volume
4.4595803523487E+22
Surface area
6.0815384017313E+15
Circumference
138223429.1479
Perimeter
87995768
Area
483953449119364
Diagonal
31111202.134259
Surface area
2903720694716184
Volume
1.0646463857877E+22
Space diagonal
38103285.256761
Perimeter
65996826
Area
2.0955799059323E+14
Altitude
19051642.62838
Surface area
2.0955799059323E+14
Volume
1.2546977982604E+21
Height
10370400.71142