11891421 is an odd 8-digits composite number following 11891420
and preceding 11891422 . In scientific notation, it is written as 1.1891421 × 10^7.
The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors.
There are 7653744 positive integers (up to 11891421) that are relatively prime to 11891421.
11891421 has 16 divisors, whose sum is 18225600
The reverse of 11891421 is 12419811
Previous prime number is 29
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
eleven million eight hundred ninety-one thousand four hundred twenty-one
Scientific notation
1.1891421 × 10^7
Engineering notation
1.1891421 × 10^6
Prime Factorization
3 × 9 × 29 × 15187
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
11891421
Product of the distinct prime numbers
The prime factorization of 11891421 is 3 × 9 × 29 × 15187.
Since it has a total of 4 prime factors.
10 , 8 , 73 , 70 , 669 , 485 , 3981 , 4555 , 19969 , 63740 , 166361 , 494897 , 5589584 , 4090377 , 56484155 , 67713124 , 107553488 , 520288832 , 5041307974 , 1385099934
n×2
23782842
n×3
35674263
n×4
47565684
n×5
59457105
n÷2
5945710.5
n÷3
3963807
n÷3
2972855.25
n÷5
2378284.2
n2
141405893399241
n3
1.6815170102915E+21
n4
1.9995626688038E+28
n5
2.3777641510629E+35
2 √n
3448.3939740117
3 √n
228.25024463056
4 √n
58.723027629812
5 √n
26.004394806178
1 , 3 , 9 , 27 , 29 , 87 , 261 , 783 , 15187 , 45561 , 136683 , 410049 , 440423 , 1321269 , 3963807 , 11891421
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-11891420
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 11891421 can be divided by 16 positive divisors.
The sum of these divisors (counting 11891421) is 1, the average is 0.0625.
Base
System
Value
2
Binary
101101010111001011011101
3
Ternary
211101010222000
4
Quaternary
231113023131
5
Quinary
11021011141
6
Senary
1102512513
8
Octal
55271335
10
Decimal
11891421
12
Duodecimal
3b95739
16
Hexadecimal
b572dd
20
Vigesimal
3e68b1
36
Base36
72vh9
md5
ba18855826db405dcdb75dd71b956ebc
sha1
7410cd48c08b5eefe9b02477b9b7e182aa46f9ff
sha256
16aa0ccaa548ec2e516c159bfafa22cdb121cd6b713ff8db43be42a338b8cb79
sha512
fad8c272ceaf31f30fd75b4cdabe0d2626e479b7c156390698dfd495919ff2bb1f93388c157a109c5ee0178c14ede56bf2294105d343305855eb0870243331ee
ripemd-160
f0e891f4f68907b8daed3b831716f0aa1811bc8e
Diameter
23782842
Circumference
74716001.708687
Area
4.4423971587736E+14
Volume
7.0435219818907E+21
Surface area
1.7769588635094E+15
Circumference
74716001.708687
Perimeter
47565684
Area
141405893399241
Diagonal
16817008.854088
Surface area
848435360395446
Volume
1.6815170102915E+21
Space diagonal
20596545.346192
Perimeter
35674263
Area
61230547964288
Altitude
10298272.673096
Surface area
61230547964288
Volume
1.9816868010961E+20
Height
5605669.6180294