40809981 is an odd 8-digits composite number following 40809980
and preceding 40809982 . In scientific notation, it is written as 4.0809981 × 10^7.
The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors.
There are 25182960 positive integers (up to 40809981) that are relatively prime to 40809981.
40809981 has 16 divisors, whose sum is 58613760
The reverse of 40809981 is 18990804
Previous prime number is 23
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
forty million eight hundred nine thousand nine hundred eighty-one
Scientific notation
4.0809981 × 10^7
Engineering notation
4.0809981 × 10^6
Prime Factorization
3 × 31 × 23 × 19079
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
40809981
Product of the distinct prime numbers
The prime factorization of 40809981 is 3 × 31 × 23 × 19079.
Since it has a total of 4 prime factors.
5 , 2 , 16 , 22 , 527 , 663 , 3390 , 3666 , 31562 , 78606 , 7022 , 873271 , 3836948 , 6062919 , 72066605 , 65746623 , 597933139 , 984373229 , 9066759641 , 5398325150
n×2
81619962
n×3
122429943
n×4
163239924
n×5
204049905
n÷2
20404990.5
n÷3
13603327
n÷3
10202495.25
n÷5
8161996.2
n2
1665454549220361
n3
6.7967168510046E+22
n4
2.7737388555188E+30
n5
1.1319622999268E+38
2 √n
6388.2690143731
3 √n
344.2881942445
4 √n
79.926647711343
5 √n
33.277698182176
1 , 3 , 23 , 31 , 69 , 93 , 713 , 2139 , 19079 , 57237 , 438817 , 591449 , 1316451 , 1774347 , 13603327 , 40809981
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
-40809980
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 40809981 can be divided by 16 positive divisors.
The sum of these divisors (counting 40809981) is 1, the average is 0.0625.
Base
System
Value
2
Binary
10011011101011010111111101
3
Ternary
2211210100202210
4
Quaternary
2123223113331
5
Quinary
40421404411
6
Senary
4014411033
8
Octal
233532775
10
Decimal
40809981
12
Duodecimal
11800a79
16
Hexadecimal
26eb5fd
20
Vigesimal
cf14j1
36
Base36
oap6l
md5
a3e8d39426288e2d6f041fe4e5f5e0ef
sha1
4748f946acb43ab84b20e6b89d994f7712148356
sha256
5c844d34600e3c63b9e761f904295bf0735a483389a61941bc231950b25ee03a
sha512
544d55d80406b9c4f137c74c46cb91fcc6926d90583b345255e871924b19605dd70a9328085d731a059104c093b39d205a0a7465f3d455526ae2cf9b46f3a7dd
ripemd-160
9f8dc1ac1df267b75d08fd0651c8f73857fe3843
Diameter
81619962
Circumference
256416673.00548
Area
5.2321797767184E+15
Volume
2.8470020970195E+23
Surface area
2.0928719106874E+16
Circumference
256416673.00548
Perimeter
163239924
Area
1665454549220361
Diagonal
57714028.610388
Surface area
9992727295322166
Volume
6.7967168510046E+22
Space diagonal
70684960.547921
Perimeter
122429943
Area
7.211629742366E+14
Altitude
35342480.27396
Surface area
7.211629742366E+14
Volume
8.0100076252504E+21
Height
19238009.536796