21860144 is an even 8-digits composite number following 21860143
and preceding 21860145 . In scientific notation, it is written as 2.1860144 × 10^7.
The sum of its digits is 26. It has a total of 6 prime factors and 20 positive divisors.
There are 10890432 positive integers (up to 21860144) that are relatively prime to 21860144.
21860144 has 20 divisors, whose sum is 42507696
The reverse of 21860144 is 44106812
Previous prime number is 293
Is Prime? no
Number parity even
Number length 8
Sum of Digits 26
Digital Root 8
Name
twenty-one million eight hundred sixty thousand one hundred forty-four
Scientific notation
2.1860144 × 10^7
Engineering notation
2.1860144 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 293 × 4663
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
2732518
Product of the distinct prime numbers
The prime factorization of 21860144 is 2 × 2 × 2 × 2 × 293 × 4663.
Since it has a total of 6 prime factors.
9 , 10 , 74 , 66 , 657 , 836 , 7837 , 5689 , 65567 , 30482 , 694788 , 175975 , 4720776 , 684756 , 25408334 , 12116512 , 46788659 , 229191357 , 9063002675 , 9408562017
n×2
43720288
n×3
65580432
n×4
87440576
n×5
109300720
n÷2
10930072
n÷3
7286714.6666667
n÷3
5465036
n÷5
4372028.8
n2
477865895700736
n3
1.0446217292707E+22
n4
2.2835581427387E+29
n5
4.991890983264E+36
2 √n
4675.4832905273
3 √n
279.60890978107
4 √n
68.377505734907
5 √n
29.371802797749
1 , 2 , 4 , 8 , 16 , 293 , 586 , 1172 , 2344 , 4663 , 4688 , 9326 , 18652 , 37304 , 74608 , 1366259 , 2732518 , 5465036 , 10930072 , 21860144
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21860143
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21860144 can be divided by 20 positive divisors.
The sum of these divisors (counting 21860144) is 1, the average is 0.05.
Base
System
Value
2
Binary
1010011011000111100110000
3
Ternary
1112010121110222
4
Quaternary
1103120330300
5
Quinary
21044011034
6
Senary
2100312212
8
Octal
123307460
10
Decimal
21860144
12
Duodecimal
73a2668
16
Hexadecimal
14d8f30
20
Vigesimal
6gca74
36
Base36
d0je8
md5
da61ce97dd6bfb62890a921199696d63
sha1
5f1a27427ca73b5a33a6b58e6c6619917d212915
sha256
746c563e74fb9cfc74337cfd0e971cb5308e1d7f64b030b748bbedf6e731ff29
sha512
8ca81fdc6748cc4e01e5e9af3b6834dc37fad8a85d250704171ba2f1dbd1793551a57b38e32efee8b431dfd978079abea3a952f15f23b4e39c4bcc5e2e1372ea
ripemd-160
a758e442e7ebe9960c45f4729889aed258e889d8
Diameter
43720288
Circumference
137351335.59363
Area
1.5012599873345E+15
Volume
4.3757012672762E+22
Surface area
6.0050399493382E+15
Circumference
137351335.59363
Perimeter
87440576
Area
477865895700736
Diagonal
30914912.120229
Surface area
2867195374204416
Volume
1.0446217292707E+22
Space diagonal
37862880.068772
Perimeter
65580432
Area
2.0692200263952E+14
Altitude
18931440.034386
Surface area
2.0692200263952E+14
Volume
1.2310985142369E+21
Height
10304970.706743