21488045 is an odd 8-digits composite number following 21488044
and preceding 21488046 . In scientific notation, it is written as 2.1488045 × 10^7.
The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors.
There are 17190432 positive integers (up to 21488045) that are relatively prime to 21488045.
21488045 has 4 divisors, whose sum is 25785660
The reverse of 21488045 is 54088412
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty-one million four hundred eighty-eight thousand forty-five
Scientific notation
2.1488045 × 10^7
Engineering notation
2.1488045 × 10^6
Prime Factorization
5 × 4297609
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21488045
Product of the distinct prime numbers
The prime factorization of 21488045 is 5 × 4297609.
Since it has a total of 2 prime factors.
2 , 8 , 90 , 12 , 741 , 762 , 9250 , 9859 , 78393 , 51418 , 855415 , 710898 , 7485040 , 1254220 , 22317881 , 12218341 , 337250213 , 912231205 , 2406426735 , 7190455305
n×2
42976090
n×3
64464135
n×4
85952180
n×5
107440225
n÷2
10744022.5
n÷3
7162681.6666667
n÷3
5372011.25
n÷5
4297609
n2
461736077922025
n3
9.921805620512E+21
n4
2.1320020565481E+29
n5
4.5812556131199E+36
2 √n
4635.5199276888
3 √n
278.0133397667
4 √n
68.084652658942
5 √n
29.271122750921
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
-21488044
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 21488045 can be divided by 4 positive divisors.
The sum of these divisors (counting 21488045) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010001111110000110101101
3
Ternary
1111102201001112
4
Quaternary
1101332012231
5
Quinary
21000104140
6
Senary
2044321405
8
Octal
121760655
10
Decimal
21488045
12
Duodecimal
7243265
16
Hexadecimal
147e1ad
20
Vigesimal
6e6025
36
Base36
cska5
md5
837e054982c97f350514fe6f3077f3b2
sha1
42e8f98da01941309331d85d5283d46cacd34e7f
sha256
a38ca212cab69b39ba37b1587d573fd5c6d1345692c69574872f1ec9d9e426c1
sha512
c955911224275a1f2559e0da3229fc887cd1c6d3e916a46b5fbc0c618cf89f7cbfd1e6c95e0fe78bbb088077b8ecfb1027b7e867ac8a28df982d6d25287603bd
ripemd-160
6a098ef71624d7e5c7e3ca532346c4e21aeefec2
Diameter
42976090
Circumference
135013368.62401
Area
1.4505866702972E+15
Volume
4.1560362196995E+22
Surface area
5.8023466811888E+15
Circumference
135013368.62401
Perimeter
85952180
Area
461736077922025
Diagonal
30388684.667883
Surface area
2770416467532150
Volume
9.921805620512E+21
Space diagonal
37218385.695326
Perimeter
64464135
Area
1.9993758666213E+14
Altitude
18609192.847663
Surface area
1.9993758666213E+14
Volume
1.1692960059798E+21
Height
10129561.555961