72505890 is an even 8-digits composite number following 72505889
and preceding 72505891 . In scientific notation, it is written as 7.2505890 × 10^7.
The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors.
There are 18493728 positive integers (up to 72505890) that are relatively prime to 72505890.
72505890 has 16 divisors, whose sum is 116012736
The reverse of 72505890 is 09850527
Previous prime number is 23
Is Prime? no
Number parity even
Number length 8
Sum of Digits 36
Digital Root 9
Name
seventy-two million five hundred five thousand eight hundred ninety
Scientific notation
7.2505890 × 10^7
Engineering notation
7.2505890 × 10^6
Prime Factorization
2 × 45 × 23 × 35027
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
72505890
Product of the distinct prime numbers
The prime factorization of 72505890 is 2 × 45 × 23 × 35027.
Since it has a total of 4 prime factors.
5 , 1 , 20 , 81 , 332 , 896 , 2019 , 2507 , 80707 , 9684 , 885308 , 530293 , 5204502 , 9240066 , 62868976 , 47277334 , 690972012 , 275554678 , 821543419 , 2607070365
n×2
145011780
n×3
217517670
n×4
290023560
n×5
362529450
n÷2
36252945
n÷3
24168630
n÷3
18126472.5
n÷5
14501178
n2
5257104084692100
n3
3.8117101048324E+23
n4
2.7637143357286E+31
n5
2.0038556761776E+39
2 √n
8515.039048648
3 √n
416.98883740801
4 √n
92.276969221187
5 √n
37.33143270266
1 , 2 , 23 , 45 , 46 , 90 , 1035 , 2070 , 35027 , 70054 , 805621 , 1576215 , 1611242 , 3152430 , 36252945 , 72505890
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
-72505889
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 72505890 can be divided by 16 positive divisors.
The sum of these divisors (counting 72505890) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100010100100101101000100010
3
Ternary
12001102200101100
4
Quaternary
10110211220202
5
Quinary
122030142030
6
Senary
11110015230
8
Octal
424455042
10
Decimal
72505890
12
Duodecimal
20347516
16
Hexadecimal
4525a22
20
Vigesimal
12d34ea
36
Base36
1761wi
md5
f4a8d23b091593bef7b6f168bc35480d
sha1
630f32c6b28a70ef747cfcb7f361e3f76940f96a
sha256
d2b3b064005aef83e1848c3c6b23c45aedeec24743a16a72763405b098917dd4
sha512
55dc97b1435768c468fd28e975c0207e873b2ba009ef89636ff8978523519330acc3b99a13e53cd72a1128316301e021cb18b284007db23083a978dc9f9839d2
ripemd-160
a1214fccd410220451e5a14df2e93f3556c82623
Diameter
145011780
Circumference
455567942.73198
Area
1.6515679571626E+16
Volume
1.5966453950607E+24
Surface area
6.6062718286502E+16
Circumference
455567942.73198
Perimeter
290023560
Area
5257104084692100
Diagonal
102538812.98993
Surface area
31542624508152600
Volume
3.8117101048324E+23
Space diagonal
125583885.328
Perimeter
217517670
Area
2.2763928438411E+15
Altitude
62791942.664
Surface area
2.2763928438411E+15
Volume
4.4921434384071E+22
Height
34179604.329977