72804920 is an even 8-digits composite number following 72804919
and preceding 72804921 . In scientific notation, it is written as 7.2804920 × 10^7.
The sum of its digits is 32. It has a total of 5 prime factors and 16 positive divisors.
There are 29121952 positive integers (up to 72804920) that are relatively prime to 72804920.
72804920 has 16 divisors, whose sum is 163811160
The reverse of 72804920 is 02940827
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 32
Digital Root 5
Name
seventy-two million eight hundred four thousand nine hundred twenty
Scientific notation
7.2804920 × 10^7
Engineering notation
7.2804920 × 10^6
Prime Factorization
2 × 2 × 2 × 5 × 1820123
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
18201230
Product of the distinct prime numbers
The prime factorization of 72804920 is 2 × 2 × 2 × 5 × 1820123.
Since it has a total of 5 prime factors.
10 , 7 , 48 , 97 , 11 , 778 , 1681 , 1141 , 17853 , 50024 , 298886 , 211387 , 2034567 , 2154139 , 69068554 , 10098383 , 993700343 , 639496391 , 176240381 , 1986787619
n×2
145609840
n×3
218414760
n×4
291219680
n×5
364024600
n÷2
36402460
n÷3
24268306.666667
n÷3
18201230
n÷5
14560984
n2
5300556376206400
n3
3.859065829252E+23
n4
2.8095897897342E+31
n5
2.0455195987442E+39
2 √n
8532.5799146565
3 √n
417.56130190966
4 √n
92.371964982112
5 √n
37.362174613277
1 , 2 , 4 , 5 , 8 , 10 , 20 , 40 , 1820123 , 3640246 , 7280492 , 9100615 , 14560984 , 18201230 , 36402460 , 72804920
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
-72804919
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 72804920 can be divided by 16 positive divisors.
The sum of these divisors (counting 72804920) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100010101101110101000111000
3
Ternary
12001222212120112
4
Quaternary
10111232220320
5
Quinary
122114224140
6
Senary
11120243452
8
Octal
425565070
10
Decimal
72804920
12
Duodecimal
20470588
16
Hexadecimal
456ea38
20
Vigesimal
12f0c60
36
Base36
17cgmw
md5
a517ad0ea0e1e2cd7601af3403713f13
sha1
8c905d6f48e39e5930a73678e3ead4a1d39ef4be
sha256
7479c522f56b3e4545cb67205d5ca784aea2bc2d9317fe26bb808179589a2399
sha512
1e58421b6ffe80ea7d5d8ea0490d75e8f7e81250607eddf9e00b53717b19dfcc895fe3d0442e7f0a3aad27ada8bbb17d6e025c6ae2662ef39201316cb12c9a02
ripemd-160
dd68cc1ada4d0542339300fdfd430aad5a185968
Diameter
145609840
Circumference
457446803.63439
Area
1.6652188971429E+16
Volume
1.6164817145197E+24
Surface area
6.6608755885714E+16
Circumference
457446803.63439
Perimeter
291219680
Area
5300556376206400
Diagonal
102961705.27149
Surface area
31803338257238400
Volume
3.859065829252E+23
Space diagonal
126101820.48099
Perimeter
218414760
Area
2.2952082379932E+15
Altitude
63050910.240494
Surface area
2.2952082379932E+15
Volume
4.5479526948489E+22
Height
34320568.423829