13721891 is an odd 8-digits prime number following 13721890
and preceding 13721892 . In scientific notation, it is written as 1.3721891 × 10^7.
The sum of its digits is 32. It has a total of 1 prime factors and 2 positive divisors.
There are 13721890 positive integers (up to 13721891) that are relatively prime to 13721891.
13721891 has 2 divisors, whose sum is 13721892
The reverse of 13721891 is 19812731
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 32
Digital Root 5
Name
thirteen million seven hundred twenty-one thousand eight hundred ninety-one
Scientific notation
1.3721891 × 10^7
Engineering notation
1.3721891 × 10^6
Prime Factorization
13721891
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
13721891
Product of the distinct prime numbers
The prime factorization of 13721891 is 13721891.
Since it has a total of 1 prime factors.
4 , 9 , 87 , 33 , 45 , 73 , 434 , 861 , 4490 , 28542 , 219476 , 687470 , 4820389 , 5580769 , 5635939 , 79896957 , 303045973 , 898633438 , 5152343942 , 8441737509
n×2
27443782
n×3
41165673
n×4
54887564
n×5
68609455
n÷2
6860945.5
n÷3
4573963.6666667
n÷3
3430472.75
n÷5
2744378.2
n2
188290292615881
n3
2.5836988716332E+21
n4
3.5453234293374E+28
n5
4.8648541657114E+35
2 √n
3704.3070877021
3 √n
239.40763054823
4 √n
60.863019048533
5 √n
26.759795674548
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
13721892
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
6860946
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
3704.3072226801
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999998542475
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 13721891 can be divided by 2 positive divisors.
The sum of these divisors (counting 13721891) is 13721892, the average is 6860946.
Base
System
Value
2
Binary
110100010110000100100011
3
Ternary
221211010220012
4
Quaternary
310112010203
5
Quinary
12003100031
6
Senary
1210035135
8
Octal
64260443
10
Decimal
13721891
12
Duodecimal
4718aab
16
Hexadecimal
d16123
20
Vigesimal
45f4eb
36
Base36
863vn
md5
ea973fac1698fc62be91eda6d0a5b762
sha1
02ebdaad2ffb81e0676837832e8b068f6b94c2e7
sha256
ffb936359b7bc044405f0442931f0ebdf2f8b3638c03a2ac14da328af1e9cbc4
sha512
104cdaff670da4ea76ce3b2fbe606c64c3f0bf7c19fc193a2a31251a3df9eb59c0393a9ed4ae2629a7ae2c7412d30d7323f488f7beca07911cda0b133af0a0af
ripemd-160
19563ede5f286397e339b7e145be75b54d023a8d
Diameter
27443782
Circumference
86217183.91792
Area
5.9153140002432E+14
Volume
1.0822572525615E+22
Surface area
2.3661256000973E+15
Circumference
86217183.91792
Perimeter
54887564
Area
188290292615881
Diagonal
19405684.353605
Surface area
1129741755695286
Volume
2.5836988716332E+21
Space diagonal
23767012.387922
Perimeter
41165673
Area
81532088345679
Altitude
11883506.193961
Surface area
81532088345679
Volume
3.0449183211265E+20
Height
6468561.4512018