21998937 is an odd 8-digits composite number following 21998936
and preceding 21998938 . In scientific notation, it is written as 2.1998937 × 10^7.
The sum of its digits is 48. It has a total of 3 prime factors and 8 positive divisors.
There are 14631968 positive integers (up to 21998937) that are relatively prime to 21998937.
21998937 has 8 divisors, whose sum is 29399904
The reverse of 21998937 is 73989912
Previous prime number is 443
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 48
Digital Root 3
Name
twenty-one million nine hundred ninety-eight thousand nine hundred thirty-seven
Scientific notation
2.1998937 × 10^7
Engineering notation
2.1998937 × 10^6
Prime Factorization
3 × 443 × 16553
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21998937
Product of the distinct prime numbers
The prime factorization of 21998937 is 3 × 443 × 16553.
Since it has a total of 3 prime factors.
1 , 2 , 24 , 9 , 402 , 735 , 889 , 2554 , 61283 , 70175 , 158595 , 542553 , 4673376 , 8262334 , 84804179 , 80158416 , 548812901 , 284028395 , 6107984543 , 2695325179
n×2
43997874
n×3
65996811
n×4
87995748
n×5
109994685
n÷2
10999468.5
n÷3
7332979
n÷3
5499734.25
n÷5
4399787.4
n2
483953229129969
n3
1.0646456598577E+22
n4
2.3421072798532E+29
n5
5.1523870496733E+36
2 √n
4690.3024422738
3 √n
280.19942001132
4 √n
68.485782774776
5 √n
29.409005542038
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
-21998936
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 21998937 can be divided by 8 positive divisors.
The sum of these divisors (counting 21998937) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010011111010110101011001
3
Ternary
1112101122212110
4
Quaternary
1103322311121
5
Quinary
21112431222
6
Senary
2103302533
8
Octal
123726531
10
Decimal
21998937
12
Duodecimal
744aa49
16
Hexadecimal
14fad59
20
Vigesimal
6h9h6h
36
Base36
d3ihl
md5
2fa26ae7917510bfb5935998bef0d823
sha1
e8a55990ea28ab16ec28cc074526492f8f14cd8c
sha256
67c4ea922a7547969dcd48b479f09eeed8b46a20f5fc7e075bdf80aad3ef5a22
sha512
ff3bf05c5121e3c354ca51e31caa15dd0f3391ca2b59b6feab2734a378bb9ec1e19f635eeccf818e7b9f66fd1a2f5c745a9aba85ce0e0a10f8c7b9f0fcfd712d
ripemd-160
d952a5fe6ae0c8bd5b7c2d68d37b998bb87a627c
Diameter
43997874
Circumference
138223397.73197
Area
1.5203839093158E+15
Volume
4.4595773115802E+22
Surface area
6.0815356372631E+15
Circumference
138223397.73197
Perimeter
87995748
Area
483953229129969
Diagonal
31111195.063191
Surface area
2903719374779814
Volume
1.0646456598577E+22
Space diagonal
38103276.596507
Perimeter
65996811
Area
2.0955789533503E+14
Altitude
19051638.298253
Surface area
2.0955789533503E+14
Volume
1.2546969427436E+21
Height
10370398.354397