72861807 is an odd 8-digits composite number following 72861806
and preceding 72861808 . In scientific notation, it is written as 7.2861807 × 10^7.
The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors.
There are 47979360 positive integers (up to 72861807) that are relatively prime to 72861807.
72861807 has 16 divisors, whose sum is 98347392
The reverse of 72861807 is 70816827
Previous prime number is 467
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
seventy-two million eight hundred sixty-one thousand eight hundred seven
Scientific notation
7.2861807 × 10^7
Engineering notation
7.2861807 × 10^6
Prime Factorization
3 × 131 × 467 × 397
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
72861807
Product of the distinct prime numbers
The prime factorization of 72861807 is 3 × 131 × 467 × 397.
Since it has a total of 4 prime factors.
8 , 2 , 40 , 6 , 155 , 340 , 6076 , 4534 , 80829 , 86197 , 557474 , 666897 , 2912960 , 9714672 , 18850988 , 674543 , 170067808 , 510801974 , 944880907 , 6291897891
n×2
145723614
n×3
218585421
n×4
291447228
n×5
364309035
n÷2
36430903.5
n÷3
24287269
n÷3
18215451.75
n÷5
14572361.4
n2
5308842919305249
n3
3.8681188817974E+23
n4
2.8183813141857E+31
n5
2.0535235536661E+39
2 √n
8535.9127807165
3 √n
417.67002911148
4 √n
92.39000368393
5 √n
37.368011466196
1 , 3 , 131 , 393 , 397 , 467 , 1191 , 1401 , 52007 , 61177 , 156021 , 183531 , 185399 , 556197 , 24287269 , 72861807
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
-72861806
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 72861807 can be divided by 16 positive divisors.
The sum of these divisors (counting 72861807) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100010101111100100001101111
3
Ternary
12002002202121110
4
Quaternary
10111330201233
5
Quinary
122123034212
6
Senary
11121403103
8
Octal
425744157
10
Decimal
72861807
12
Duodecimal
20499493
16
Hexadecimal
457c86f
20
Vigesimal
12f7ea7
36
Base36
17doj3
md5
afedc5d99e9245fa1238f5a9eea781a2
sha1
b1ccc3eb7efd76e03b8fa22b01357783953f4641
sha256
58e2ea895f812394f752337396063f81a946cc09905bb3a086b571cd61a76476
sha512
5d00ffb8db40121e5431820e2bdf2a071a73acb6b231ed727b182b589fb26bfa900f7c4d17e4c061609789e9bc506081f5903061b720d235a5a32332c139731e
ripemd-160
492fcda767f156594c4c3f8b6c28ce80ef051def
Diameter
145723614
Circumference
457804235.19695
Area
1.6678221914352E+16
Volume
1.6202738483022E+24
Surface area
6.6712887657406E+16
Circumference
457804235.19695
Perimeter
291447228
Area
5308842919305249
Diagonal
103042155.63841
Surface area
31853057515831494
Volume
3.8681188817974E+23
Space diagonal
126200351.65528
Perimeter
218585421
Area
2.2987964164097E+15
Altitude
63100175.827639
Surface area
2.2987964164097E+15
Volume
4.5586218195911E+22
Height
34347385.212804