21288897 is an odd 8-digits composite number following 21288896
and preceding 21288898 . In scientific notation, it is written as 2.1288897 × 10^7.
The sum of its digits is 45. It has a total of 2 prime factors and 4 positive divisors.
There are 12165048 positive integers (up to 21288897) that are relatively prime to 21288897.
21288897 has 4 divisors, whose sum is 21626880
The reverse of 21288897 is 79888212
Previous prime number is 63
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 45
Digital Root 9
Name
twenty-one million two hundred eighty-eight thousand eight hundred ninety-seven
Scientific notation
2.1288897 × 10^7
Engineering notation
2.1288897 × 10^6
Prime Factorization
63 × 337919
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21288897
Product of the distinct prime numbers
The prime factorization of 21288897 is 63 × 337919.
Since it has a total of 2 prime factors.
10 , 7 , 44 , 69 , 733 , 699 , 4457 , 1460 , 5480 , 77181 , 116345 , 438038 , 4374857 , 7788450 , 30375026 , 88641722 , 158330280 , 357004280 , 6444867922 , 1574533336
n×2
42577794
n×3
63866691
n×4
85155588
n×5
106444485
n÷2
10644448.5
n÷3
7096299
n÷3
5322224.25
n÷5
4257779.4
n2
453217135476609
n3
9.6484929157966E+21
n4
2.0540577188962E+29
n5
4.3728623209637E+36
2 √n
4613.9892717691
3 √n
277.15181067947
4 √n
67.926351821433
5 √n
29.216664409219
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
-21288896
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 21288897 can be divided by 4 positive divisors.
The sum of these divisors (counting 21288897) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010001001101011111000001
3
Ternary
1111001120212200
4
Quaternary
1101031133001
5
Quinary
20422221042
6
Senary
2040143413
8
Octal
121153701
10
Decimal
21288897
12
Duodecimal
7167b69
16
Hexadecimal
144d7c1
20
Vigesimal
6d124h
36
Base36
coam9
md5
47d42689862f983660eb7164a7f3d1aa
sha1
fa37171dd3d22cef56f65e75cd5cfbc7d90eade7
sha256
37bc5e6bb132cda6f75b601d336f37d5d81fcf50333f0550d6860c7389332e83
sha512
314ba348d6cf5d6294b78793f8540ea2290cd269d819d7e2276497e81d0b31e6fee22fd16a9ca7f093958311f58b492ffa2aa846de5061675097afd0101ae748
ripemd-160
6310b2941f9e79dc4a8e09cddb024f3e3d6a0885
Diameter
42577794
Circumference
133762084.83646
Area
1.4238236232943E+15
Volume
4.041551261664E+22
Surface area
5.6952944931773E+15
Circumference
133762084.83646
Perimeter
85155588
Area
453217135476609
Diagonal
30107046.865364
Surface area
2719302812859654
Volume
9.6484929157966E+21
Space diagonal
36873451.241101
Perimeter
63866691
Area
1.9624877637658E+14
Altitude
18436725.62055
Surface area
1.9624877637658E+14
Volume
1.1370857948317E+21
Height
10035682.288455