13721921 is an odd 8-digits composite number following 13721920
and preceding 13721922 . In scientific notation, it is written as 1.3721921 × 10^7.
The sum of its digits is 26. It has a total of 2 prime factors and 4 positive divisors.
There are 13387200 positive integers (up to 13721921) that are relatively prime to 13721921.
13721921 has 4 divisors, whose sum is 14056644
The reverse of 13721921 is 12912731
Previous prime number is 41
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 26
Digital Root 8
Name
thirteen million seven hundred twenty-one thousand nine hundred twenty-one
Scientific notation
1.3721921 × 10^7
Engineering notation
1.3721921 × 10^6
Prime Factorization
41 × 334681
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
13721921
Product of the distinct prime numbers
The prime factorization of 13721921 is 41 × 334681.
Since it has a total of 2 prime factors.
2 , 9 , 46 , 54 , 195 , 209 , 3852 , 6557 , 90554 , 50679 , 745069 , 975959 , 3709758 , 1253583 , 61177402 , 73134975 , 723833969 , 955373590 , 9943274584 , 3611290283
n×2
27443842
n×3
41165763
n×4
54887684
n×5
68609605
n÷2
6860960.5
n÷3
4573973.6666667
n÷3
3430480.25
n÷5
2744384.2
n2
188291115930241
n3
2.5837158177966E+21
n4
3.5453544338255E+28
n5
4.8649073457954E+35
2 √n
3704.3111370402
3 √n
239.40780501942
4 √n
60.863052314522
5 √n
26.759807375459
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-13721920
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 13721921 can be divided by 4 positive divisors.
The sum of these divisors (counting 13721921) is 1, the average is 0.25.
Base
System
Value
2
Binary
110100010110000101000001
3
Ternary
221211010221022
4
Quaternary
310112011001
5
Quinary
12003100141
6
Senary
1210035225
8
Octal
64260501
10
Decimal
13721921
12
Duodecimal
4718b15
16
Hexadecimal
d16141
20
Vigesimal
45f4g1
36
Base36
863wh
md5
039ac0c07c02ebe7fbb0603a6ec49435
sha1
a88bf8ab054608b76993520a88c458e0716e194c
sha256
83f320a6576cde0f3232c8e4849f10e4cce5f2b47aeb80f4153711bd1cd5d9b8
sha512
4071156c72d0f03bc39e9d64392f21c4b429e3be18af8f892c0ad13ec9e901a2b884f53d1d996e932fe84be55e533329132548462175093cc2e4d39f0d52b28d
ripemd-160
4d74afd6e52fc0306df99f1c34f9af44e6c38332
Diameter
27443842
Circumference
86217372.413479
Area
5.9153398654267E+14
Volume
1.0822643509538E+22
Surface area
2.3661359461707E+15
Circumference
86217372.413479
Perimeter
54887684
Area
188291115930241
Diagonal
19405726.780012
Surface area
1129746695581446
Volume
2.5837158177966E+21
Space diagonal
23767064.349446
Perimeter
41165763
Area
81532444851255
Altitude
11883532.174723
Surface area
81532444851255
Volume
3.0449382923715E+20
Height
6468575.5933374