13640981 is an odd 8-digits composite number following 13640980
and preceding 13640982 . In scientific notation, it is written as 1.3640981 × 10^7.
The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors.
There are 13293072 positive integers (up to 13640981) that are relatively prime to 13640981.
13640981 has 8 divisors, whose sum is 13992480
The reverse of 13640981 is 18904631
Previous prime number is 163
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 32
Digital Root 5
Name
thirteen million six hundred forty thousand nine hundred eighty-one
Scientific notation
1.3640981 × 10^7
Engineering notation
1.3640981 × 10^6
Prime Factorization
53 × 163 × 1579
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
13640981
Product of the distinct prime numbers
The prime factorization of 13640981 is 53 × 163 × 1579.
Since it has a total of 3 prime factors.
10 , 9 , 44 , 69 , 287 , 89 , 2212 , 4839 , 83615 , 66842 , 788178 , 61690 , 7148863 , 5041995 , 11442892 , 48163643 , 184379195 , 321822308 , 4889476086 , 1932167265
n×2
27281962
n×3
40922943
n×4
54563924
n×5
68204905
n÷2
6820490.5
n÷3
4546993.6666667
n÷3
3410245.25
n÷5
2728196.2
n2
186076362642361
n3
2.5382641273536E+21
n4
3.4624412734211E+28
n5
4.7231095624354E+35
2 √n
3693.3698704571
3 √n
238.93615353082
4 √n
60.773101537251
5 √n
26.728163593727
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
-13640980
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 13640981 can be divided by 8 positive divisors.
The sum of these divisors (counting 13640981) is 1, the average is 0.125.
Base
System
Value
2
Binary
110100000010010100010101
3
Ternary
221200000220112
4
Quaternary
310002110111
5
Quinary
11443002411
6
Senary
1204212405
8
Octal
64022425
10
Decimal
13640981
12
Duodecimal
469a105
16
Hexadecimal
d02515
20
Vigesimal
455291
36
Base36
84dg5
md5
6f34ef8d952edd38cf8213e8cd6da77c
sha1
f7f4982b405d32480922960e3e74fb141662a5de
sha256
a3b52dc36638ae2043221488d5adaa48daeee6a239fce7a4189d161de4dea214
sha512
31f9dd235bf179990f4e2daf18d9a7010c21ecac7e9b1ac9979c8dc692609b5d4657a08d553cb5830f787664f62c011b957317a63999af798f143d22a2f1b49a
ripemd-160
f7226caec65211cca7297fd03bdf5ca7a2681c8d
Diameter
27281962
Circumference
85708811.394716
Area
5.8457613388395E+14
Volume
1.0632255913819E+22
Surface area
2.3383045355358E+15
Circumference
85708811.394716
Perimeter
54563924
Area
186076362642361
Diagonal
19291260.334274
Surface area
1116458175854166
Volume
2.5382641273536E+21
Space diagonal
23626872.157082
Perimeter
40922943
Area
80573428546045
Altitude
11813436.078541
Surface area
80573428546045
Volume
2.9913729614904E+20
Height
6430420.1114246