40102781 is an odd 8-digits composite number following 40102780
and preceding 40102782 . In scientific notation, it is written as 4.0102781 × 10^7.
The sum of its digits is 23. It has a total of 2 prime factors and 4 positive divisors.
There are 39997692 positive integers (up to 40102781) that are relatively prime to 40102781.
40102781 has 4 divisors, whose sum is 40207872
The reverse of 40102781 is 18720104
Previous prime number is 383
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 23
Digital Root 5
Name
forty million one hundred two thousand seven hundred eighty-one
Scientific notation
4.0102781 × 10^7
Engineering notation
4.0102781 × 10^6
Prime Factorization
383 × 104707
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
40102781
Product of the distinct prime numbers
The prime factorization of 40102781 is 383 × 104707.
Since it has a total of 2 prime factors.
7 , 4 , 92 , 67 , 809 , 613 , 8800 , 2255 , 80998 , 49494 , 426478 , 808112 , 5457694 , 1605796 , 43746286 , 62324804 , 584946402 , 83222317 , 8721442076 , 7680941581
n×2
80205562
n×3
120308343
n×4
160411124
n×5
200513905
n÷2
20051390.5
n÷3
13367593.666667
n÷3
10025695.25
n÷5
8020556.2
n2
1608233043933961
n3
6.4494617557847E+22
n4
2.5864135236011E+30
n5
1.0372237511241E+38
2 √n
6332.6756588349
3 √n
342.2878605326
4 √n
79.578110425134
5 √n
33.161555838423
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
-40102780
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 40102781 can be divided by 4 positive divisors.
The sum of these divisors (counting 40102781) is 1, the average is 0.25.
Base
System
Value
2
Binary
10011000111110101101111101
3
Ternary
2210110102200012
4
Quaternary
2120332231331
5
Quinary
40231242111
6
Senary
3551313005
8
Octal
230765575
10
Decimal
40102781
12
Duodecimal
1151b765
16
Hexadecimal
263eb7d
20
Vigesimal
cacgj1
36
Base36
nvji5
md5
da31a3aad60c931834666e88bd0ee556
sha1
dff3d38140771a784160e80b0550ad864b2c7b15
sha256
b5701872995c63a43d9def3250c83887d284ab7c3171b3962eb3d918c8363dff
sha512
00bedeeb3be25a6f6c2e726f9c24b45d851deb2e3983b1a61364ee6f67c893b192650b23048a57f99b651a84f646a80e63e1f16a519e017c465c7c24707c6dab
ripemd-160
88b6305cf7c382dfa58ed92236ff0f58118b4a13
Diameter
80205562
Circumference
251973204.35624
Area
5.0524131160833E+15
Volume
2.7015442228775E+23
Surface area
2.0209652464333E+16
Circumference
251973204.35624
Perimeter
160411124
Area
1608233043933961
Diagonal
56713896.779078
Surface area
9649398263603766
Volume
6.4494617557847E+22
Space diagonal
69460054.216808
Perimeter
120308343
Area
6.9638533562619E+14
Altitude
34730027.108404
Surface area
6.9638533562619E+14
Volume
7.6007635708644E+21
Height
18904632.259693