21998488 is an even 8-digits composite number following 21998487
and preceding 21998489 . In scientific notation, it is written as 2.1998488 × 10^7.
The sum of its digits is 49. It has a total of 5 prime factors and 16 positive divisors.
There are 10520928 positive integers (up to 21998488) that are relatively prime to 21998488.
21998488 has 16 divisors, whose sum is 43040880
The reverse of 21998488 is 88489912
Previous prime number is 23
Is Prime? no
Number parity even
Number length 8
Sum of Digits 49
Digital Root 4
Name
twenty-one million nine hundred ninety-eight thousand four hundred eighty-eight
Scientific notation
2.1998488 × 10^7
Engineering notation
2.1998488 × 10^6
Prime Factorization
2 × 2 × 2 × 23 × 119557
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
5499622
Product of the distinct prime numbers
The prime factorization of 21998488 is 2 × 2 × 2 × 23 × 119557.
Since it has a total of 5 prime factors.
6 , 5 , 41 , 17 , 509 , 822 , 2788 , 8652 , 26975 , 77541 , 235159 , 881812 , 4189233 , 5570928 , 53211629 , 42716079 , 307642040 , 642214682 , 850495982 , 7269084924
n×2
43996976
n×3
65995464
n×4
87993952
n×5
109992440
n÷2
10999244
n÷3
7332829.3333333
n÷3
5499622
n÷5
4399697.6
n2
483933474286144
n3
1.0645804726882E+22
n4
2.3419160753466E+29
n5
5.1518612680519E+36
2 √n
4690.2545773124
3 √n
280.1975137011
4 √n
68.485433322075
5 √n
29.408885493044
1 , 2 , 4 , 8 , 23 , 46 , 92 , 184 , 119557 , 239114 , 478228 , 956456 , 2749811 , 5499622 , 10999244 , 21998488
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21998487
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21998488 can be divided by 16 positive divisors.
The sum of these divisors (counting 21998488) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010011111010101110011000
3
Ternary
1112101122020211
4
Quaternary
1103322232120
5
Quinary
21112422423
6
Senary
2103300504
8
Octal
123725630
10
Decimal
21998488
12
Duodecimal
744a734
16
Hexadecimal
14fab98
20
Vigesimal
6h9g48
36
Base36
d3i54
md5
76662f007a0313495246a37582dd273b
sha1
6545aeab5cf62e53c273055b7c523480900233e9
sha256
28febdc0224935236b1dc428a76478c896ac0ef80976387b6389bef9ea67259e
sha512
f50df7fc35698e7aea0544ccffce048227a531cb340bb00e0ebf095cc68110bec22294c022b2ae426989e4c35e9cb3434455fcbffa61ec975d7bd67eb99f961e
ripemd-160
fff15b530241b8a46243a6fdda5e8273b0104d9d
Diameter
43996976
Circumference
138220576.58177
Area
1.5203218476435E+15
Volume
4.4593042562032E+22
Surface area
6.0812873905741E+15
Circumference
138220576.58177
Perimeter
87993952
Area
483933474286144
Diagonal
31110560.081302
Surface area
2903600845716864
Volume
1.0645804726882E+22
Space diagonal
38102498.905694
Perimeter
65995464
Area
2.0954934123673E+14
Altitude
19051249.452847
Surface area
2.0954934123673E+14
Volume
1.2546201189277E+21
Height
10370186.693767