21596987 is an odd 8-digits composite number following 21596986
and preceding 21596988 . In scientific notation, it is written as 2.1596987 × 10^7.
The sum of its digits is 47. It has a total of 3 prime factors and 8 positive divisors.
There are 19436160 positive integers (up to 21596987) that are relatively prime to 21596987.
21596987 has 8 divisors, whose sum is 21897216
The reverse of 21596987 is 78969512
Previous prime number is 107
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 47
Digital Root 2
Name
twenty-one million five hundred ninety-six thousand nine hundred eighty-seven
Scientific notation
2.1596987 × 10^7
Engineering notation
2.1596987 × 10^6
Prime Factorization
527 × 107 × 383
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21596987
Product of the distinct prime numbers
The prime factorization of 21596987 is 527 × 107 × 383.
Since it has a total of 3 prime factors.
5 , 4 , 86 , 60 , 481 , 942 , 1442 , 9214 , 54737 , 9269 , 327380 , 540233 , 9641787 , 2825228 , 86329346 , 63539658 , 177268717 , 901586886 , 6857770672 , 4923703273
n×2
43193974
n×3
64790961
n×4
86387948
n×5
107984935
n÷2
10798493.5
n÷3
7198995.6666667
n÷3
5399246.75
n÷5
4319397.4
n2
466429847478169
n3
1.0073479352398E+22
n4
2.1755680261851E+29
n5
4.6985714379135E+36
2 √n
4647.2558569547
3 √n
278.48238024133
4 √n
68.170784482465
5 √n
29.300743010944
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21596986
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21596987 can be divided by 8 positive divisors.
The sum of these divisors (counting 21596987) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010010011000101100111011
3
Ternary
1111122020111102
4
Quaternary
1102120230323
5
Quinary
21012100422
6
Senary
2050522015
8
Octal
122305473
10
Decimal
21596987
12
Duodecimal
729630b
16
Hexadecimal
1498b3b
20
Vigesimal
6ejc97
36
Base36
cuwcb
md5
e095b8c0a09497b5a70f32aa60d2f35c
sha1
5f0d7d0065b6a010e25bbf6a1b64c61b3746ef0d
sha256
d1d6d7e21ffb101483fc9a1fdb1fcb25d6fce20bcfa73158ae1f55e52951b68f
sha512
58a5b2e29bfae1427fe237871a9752730b107b291c94d5828e0af7d757fb31297763b57de2063e4b68ea24f777c618207901cfdefa3deab66153d2a34723f720
ripemd-160
cff11bcb9d24511d27cba291b4f8c7b5f5fe27e4
Diameter
43193974
Circumference
135697871.39775
Area
1.4653325822524E+15
Volume
4.2195691639443E+22
Surface area
5.8613303290097E+15
Circumference
135697871.39775
Perimeter
86387948
Area
466429847478169
Diagonal
30542751.921795
Surface area
2798579084869014
Volume
1.0073479352398E+22
Space diagonal
37407078.774405
Perimeter
64790961
Area
2.019700484997E+14
Altitude
18703539.387202
Surface area
2.019700484997E+14
Volume
1.1871709267039E+21
Height
10180917.307265