72903890 is an even 8-digits composite number following 72903889
and preceding 72903891 . In scientific notation, it is written as 7.2903890 × 10^7.
The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors.
There are 29161552 positive integers (up to 72903890) that are relatively prime to 72903890.
72903890 has 8 divisors, whose sum is 131227020
The reverse of 72903890 is 09830927
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2
Name
seventy-two million nine hundred three thousand eight hundred ninety
Scientific notation
7.2903890 × 10^7
Engineering notation
7.2903890 × 10^6
Prime Factorization
2 × 5 × 7290389
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
72903890
Product of the distinct prime numbers
The prime factorization of 72903890 is 2 × 5 × 7290389.
Since it has a total of 3 prime factors.
8 , 3 , 88 , 47 , 449 , 823 , 924 , 7702 , 90837 , 61803 , 343673 , 656152 , 1582034 , 8579860 , 48769765 , 65343620 , 218663565 , 670281273 , 2007829271 , 5215882083
n×2
145807780
n×3
218711670
n×4
291615560
n×5
364519450
n÷2
36451945
n÷3
24301296.666667
n÷3
18225972.5
n÷5
14580778
n2
5314977177132100
n3
3.8748251147415E+23
n4
2.8248982393435E+31
n5
2.0594607050229E+39
2 √n
8538.3774805287
3 √n
417.75042525536
4 √n
92.40334128444
5 √n
37.372327018912
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-72903889
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 72903890 can be divided by 8 positive divisors.
The sum of these divisors (counting 72903890) is 1, the average is 0.125.
Base
System
Value
2
Binary
100010110000110110011010010
3
Ternary
12002011220100002
4
Quaternary
10112012303102
5
Quinary
122130411030
6
Senary
11122330002
8
Octal
426066322
10
Decimal
72903890
12
Duodecimal
204b9902
16
Hexadecimal
4586cd2
20
Vigesimal
12fcjea
36
Base36
17el02
md5
00ad9c20720c213b1f03723a04837a2e
sha1
e3d11a381cb4652b9d2fd7bc69b4658de3d605bd
sha256
4655c619f85dce7d4de2eac5a90d9e4c15067f5145ecc8e0cc3bb7b881287356
sha512
3090a44cef0c3f28fca8d88a3d70075ca5afc32a3c2530673004910b06f82ef7368ace38b081b26dd99c4a316b6d334ba1c3d879a45b95f4af7b4c50ddc4c19d
ripemd-160
e2f216abe8c4ea4d6671ee0bf8d7190818f223a9
Diameter
145807780
Circumference
458068650.48424
Area
1.6697493253676E+16
Volume
1.6230829485889E+24
Surface area
6.6789973014702E+16
Circumference
458068650.48424
Perimeter
291615560
Area
5314977177132100
Diagonal
103101669.98776
Surface area
31889863062792600
Volume
3.8748251147415E+23
Space diagonal
126273241.54941
Perimeter
218711670
Area
2.3014526279655E+15
Altitude
63136620.774706
Surface area
2.3014526279655E+15
Volume
4.5665251909094E+22
Height
34367223.329252