21897467 is an odd 8-digits composite number following 21897466
and preceding 21897468 . In scientific notation, it is written as 2.1897467 × 10^7.
The sum of its digits is 44. It has a total of 2 prime factors and 4 positive divisors.
There are 21724920 positive integers (up to 21897467) that are relatively prime to 21897467.
21897467 has 4 divisors, whose sum is 22070016
The reverse of 21897467 is 76479812
Previous prime number is 127
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 44
Digital Root 8
Name
twenty-one million eight hundred ninety-seven thousand four hundred sixty-seven
Scientific notation
2.1897467 × 10^7
Engineering notation
2.1897467 × 10^6
Prime Factorization
127 × 172421
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21897467
Product of the distinct prime numbers
The prime factorization of 21897467 is 127 × 172421.
Since it has a total of 2 prime factors.
8 , 6 , 79 , 24 , 11 , 909 , 4835 , 2330 , 49117 , 87572 , 54981 , 280539 , 7667130 , 4427860 , 18172666 , 63898566 , 801970966 , 400615808 , 3014853893 , 8793340191
n×2
43794934
n×3
65692401
n×4
87589868
n×5
109487335
n÷2
10948733.5
n÷3
7299155.6666667
n÷3
5474366.75
n÷5
4379493.4
n2
479499061016089
n3
1.0499814865131E+22
n4
2.2991934951531E+29
n5
5.034651368673E+36
2 √n
4679.4729404069
3 √n
279.76794974807
4 √n
68.406673215461
5 √n
29.381825566963
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
-21897466
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 21897467 can be divided by 4 positive divisors.
The sum of these divisors (counting 21897467) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010011100010000011111011
3
Ternary
1112012111200022
4
Quaternary
1103202003323
5
Quinary
21101204332
6
Senary
2101201055
8
Octal
123420373
10
Decimal
21897467
12
Duodecimal
740018b
16
Hexadecimal
14e20fb
20
Vigesimal
6gh3d7
36
Base36
d1c6z
md5
1c3e267e50a4177d52e625e0362dc52c
sha1
8e4426c8297bf806b895a268db1c7211e1e8c262
sha256
0856b037a8d63292b63b3e1f1d9fc00b8b271d6413ebe2ab3dc50a50f63f97cf
sha512
091a4412801b894aaa6b173b013366c9982516cc5307d433a1e26a7c0a3a4aa2a29d84a57c2f8fde90327590346094293d2c491050e08ae7149fe57121c845b6
ripemd-160
4618e7c297ea39bb1924b6c59ef6633e5d814812
Diameter
43794934
Circumference
137585842.91885
Area
1.5063907274913E+15
Volume
4.398152165913E+22
Surface area
6.0255629099654E+15
Circumference
137585842.91885
Perimeter
87589868
Area
479499061016089
Diagonal
30967694.813017
Surface area
2876994366096534
Volume
1.0499814865131E+22
Space diagonal
37927525.401063
Perimeter
65692401
Area
2.0762918396536E+14
Altitude
18963762.700531
Surface area
2.0762918396536E+14
Volume
1.2374150487229E+21
Height
10322564.937672