21860425 is an odd 8-digits composite number following 21860424
and preceding 21860426 . In scientific notation, it is written as 2.1860425 × 10^7.
The sum of its digits is 28. It has a total of 4 prime factors and 16 positive divisors.
There are 16632000 positive integers (up to 21860425) that are relatively prime to 21860425.
21860425 has 16 divisors, whose sum is 23875072
The reverse of 21860425 is 52406812
Previous prime number is 67
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty-one million eight hundred sixty thousand four hundred twenty-five
Scientific notation
2.1860425 × 10^7
Engineering notation
2.1860425 × 10^6
Prime Factorization
25 × 31 × 67 × 421
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21860425
Product of the distinct prime numbers
The prime factorization of 21860425 is 25 × 31 × 67 × 421.
Since it has a total of 4 prime factors.
7 , 6 , 17 , 80 , 491 , 228 , 1861 , 7990 , 34423 , 21507 , 779406 , 164573 , 2712611 , 6937521 , 45850118 , 90262677 , 561333457 , 338573558 , 3545155233 , 7060932313
n×2
43720850
n×3
65581275
n×4
87441700
n×5
109302125
n÷2
10930212.5
n÷3
7286808.3333333
n÷3
5465106.25
n÷5
4372085
n2
477878181180625
n3
1.0446620138835E+22
n4
2.283675560485E+29
n5
4.9922118314316E+36
2 √n
4675.5133408001
3 √n
279.61010784831
4 √n
68.377725472555
5 √n
29.371878309001
1 , 25 , 31 , 67 , 421 , 775 , 1675 , 2077 , 10525 , 13051 , 28207 , 51925 , 326275 , 705175 , 874417 , 21860425
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
-21860424
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 21860425 can be divided by 16 positive divisors.
The sum of these divisors (counting 21860425) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010011011001000001001001
3
Ternary
1112010121212101
4
Quaternary
1103121001021
5
Quinary
21044013200
6
Senary
2100313401
8
Octal
123310111
10
Decimal
21860425
12
Duodecimal
73a2861
16
Hexadecimal
14d9049
20
Vigesimal
6gcb15
36
Base36
d0jm1
md5
aa9757efcfbaf2b3a91a52104d228e58
sha1
0f2861debda0c0d48bc19e16f75e0e7005adb0c4
sha256
3b4bdf8c5dee87dcddffd5e4f9d908797252015abd4decf2a587f7d8cf58ecdc
sha512
d87f7bc0d4e699aa01e9b23a20c8e969efebbecff9f00692f2f4980a1fa07fd5dbc41160c60c9533e38b06aed92415797ce8bb9608ddbb52632f66ff91ac96ee
ripemd-160
9c29114d0dff73817b39fe3cb95ca0c3df9c08d6
Diameter
43720850
Circumference
137353101.1687
Area
1.5012985833079E+15
Volume
4.3758700110678E+22
Surface area
6.0051943332316E+15
Circumference
137353101.1687
Perimeter
87441700
Area
477878181180625
Diagonal
30915309.51424
Surface area
2867269087083750
Volume
1.0446620138835E+22
Space diagonal
37863366.775049
Perimeter
65581275
Area
2.0692732240836E+14
Altitude
18931683.387524
Surface area
2.0692732240836E+14
Volume
1.2311459901084E+21
Height
10305103.171413