21493079 is an odd 8-digits prime number following 21493078
and preceding 21493080 . In scientific notation, it is written as 2.1493079 × 10^7.
The sum of its digits is 35. It has a total of 1 prime factors and 2 positive divisors.
There are 21493078 positive integers (up to 21493079) that are relatively prime to 21493079.
21493079 has 2 divisors, whose sum is 21493080
The reverse of 21493079 is 97039412
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 35
Digital Root 8
Name
twenty-one million four hundred ninety-three thousand seventy-nine
Scientific notation
2.1493079 × 10^7
Engineering notation
2.1493079 × 10^6
Prime Factorization
21493079
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
21493079
Product of the distinct prime numbers
The prime factorization of 21493079 is 21493079.
Since it has a total of 1 prime factors.
2 , 4 , 62 , 38 , 914 , 977 , 3477 , 2096 , 80960 , 29495 , 801189 , 351384 , 5763534 , 2266849 , 89955827 , 78257659 , 67948218 , 576803828 , 1309405270 , 8048056954
n×2
42986158
n×3
64479237
n×4
85972316
n×5
107465395
n÷2
10746539.5
n÷3
7164359.6666667
n÷3
5373269.75
n÷5
4298615.8
n2
461952444900241
n3
9.928780392484E+21
n4
2.1340006134931E+29
n5
4.5866243771856E+36
2 √n
4636.0628770542
3 √n
278.03504811473
4 √n
68.088639853166
5 √n
29.272494090435
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
21493080
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10746540
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4636.0629849043
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999069468
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21493079 can be divided by 2 positive divisors.
The sum of these divisors (counting 21493079) is 21493080, the average is 10746540.
Base
System
Value
2
Binary
1010001111111010101010111
3
Ternary
1111102221221222
4
Quaternary
1101333111113
5
Quinary
21000234304
6
Senary
2044400555
8
Octal
121772527
10
Decimal
21493079
12
Duodecimal
724615b
16
Hexadecimal
147f557
20
Vigesimal
6e6cdj
36
Base36
cso5z
md5
4c7d762da9278872c4d6d03798c5c802
sha1
551baada6ffac2ea9b6d218c11865058a0830750
sha256
ccb72788605ef80702532ffb8b70da050a4780d13ccee250a29645b0cc9fc4da
sha512
d28e49ce453b80aecdef89f5e95a1ca770adf7744400588566570c1ca5f39392960c79d43dc548adb4c15a786e220d292c947aedfab5786c2a7e1aed176e164e
ripemd-160
5906b0ed41b1472cceb8ae68112ecd26e1ece377
Diameter
42986158
Circumference
135044998.17885
Area
1.4512664072064E+15
Volume
4.1589578053512E+22
Surface area
5.8050656288258E+15
Circumference
135044998.17885
Perimeter
85972316
Area
461952444900241
Diagonal
30395803.818956
Surface area
2771714669401446
Volume
9.928780392484E+21
Space diagonal
37227104.839092
Perimeter
64479237
Area
2.0003127631197E+14
Altitude
18613552.419546
Surface area
2.0003127631197E+14
Volume
1.1701179907396E+21
Height
10131934.606319