72861838 is an even 8-digits composite number following 72861837
and preceding 72861839 . In scientific notation, it is written as 7.2861838 × 10^7.
The sum of its digits is 43. It has a total of 4 prime factors and 16 positive divisors.
There are 29135040 positive integers (up to 72861838) that are relatively prime to 72861838.
72861838 has 16 divisors, whose sum is 112674240
The reverse of 72861838 is 83816827
Previous prime number is 41
Is Prime? no
Number parity even
Number length 8
Sum of Digits 43
Digital Root 7
Name
seventy-two million eight hundred sixty-one thousand eight hundred thirty-eight
Scientific notation
7.2861838 × 10^7
Engineering notation
7.2861838 × 10^6
Prime Factorization
2 × 161 × 41 × 5519
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
72861838
Product of the distinct prime numbers
The prime factorization of 72861838 is 2 × 161 × 41 × 5519.
Since it has a total of 4 prime factors.
6 , 9 , 23 , 11 , 763 , 7 , 2302 , 4 , 67273 , 72146 , 588375 , 697540 , 1953161 , 1809665 , 53300450 , 78248015 , 748555476 , 918872019 , 8211506025 , 2638195467
n×2
145723676
n×3
218585514
n×4
291447352
n×5
364309190
n÷2
36430919
n÷3
24287279.333333
n÷3
18215459.5
n÷5
14572367.6
n2
5308847436738244
n3
3.8681238190234E+23
n4
2.8183861106562E+31
n5
2.0535279221608E+39
2 √n
8535.9145965737
3 √n
417.67008834584
4 √n
92.390013511059
5 √n
37.368014645936
1 , 2 , 41 , 82 , 161 , 322 , 5519 , 6601 , 11038 , 13202 , 226279 , 452558 , 888559 , 1777118 , 36430919 , 72861838
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
-72861837
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 72861838 can be divided by 16 positive divisors.
The sum of these divisors (counting 72861838) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100010101111100100010001110
3
Ternary
12002002202122121
4
Quaternary
10111330202032
5
Quinary
122123034323
6
Senary
11121403154
8
Octal
425744216
10
Decimal
72861838
12
Duodecimal
204994ba
16
Hexadecimal
457c88e
20
Vigesimal
12f7ebi
36
Base36
17dojy
md5
d1c8852cfb69346f6eb6c4a32b0cdd14
sha1
bccfb46f26ccf3d4b022aa30338ac3ecfed9993c
sha256
053cf4974b0881d9f5fd984ac5277ff9eef9c4ae29fd5b9bcfd4b98b1590c94a
sha512
1cf1c39e96d308451c764d1c719bc0f667b2f6e4a79f69aa963b761ffb2aa2447ef8c2e13c52f73667cb6a5b2907788b7f19266b7b897f8e009f797ad2c66390
ripemd-160
be4899bae27d1019212432d0a8d386b205de6591
Diameter
145723676
Circumference
457804429.9757
Area
1.6678236106286E+16
Volume
1.6202759164026E+24
Surface area
6.6712944425143E+16
Circumference
457804429.9757
Perimeter
291447352
Area
5308847436738244
Diagonal
103042199.47903
Surface area
31853084620429464
Volume
3.8681238190234E+23
Space diagonal
126200405.34885
Perimeter
218585514
Area
2.2987983725156E+15
Altitude
63100202.674426
Surface area
2.2987983725156E+15
Volume
4.5586276381677E+22
Height
34347399.826344