72505961 is an odd 8-digits composite number following 72505960
and preceding 72505962 . In scientific notation, it is written as 7.2505961 × 10^7.
The sum of its digits is 35. It has a total of 3 prime factors and 8 positive divisors.
There are 64670320 positive integers (up to 72505961) that are relatively prime to 72505961.
72505961 has 8 divisors, whose sum is 80590464
The reverse of 72505961 is 16950527
Previous prime number is 53
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 35
Digital Root 8
Name
seventy-two million five hundred five thousand nine hundred sixty-one
Scientific notation
7.2505961 × 10^7
Engineering notation
7.2505961 × 10^6
Prime Factorization
11 × 53 × 124367
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
72505961
Product of the distinct prime numbers
The prime factorization of 72505961 is 11 × 53 × 124367.
Since it has a total of 3 prime factors.
7 , 4 , 20 , 9 , 28 , 504 , 4427 , 2429 , 1892 , 84569 , 529521 , 93359 , 8446469 , 6712269 , 33995950 , 34469106 , 225952133 , 862671888 , 9804860606 , 7261468252
n×2
145011922
n×3
217517883
n×4
290023844
n×5
362529805
n÷2
36252980.5
n÷3
24168653.666667
n÷3
18126490.25
n÷5
14501192.2
n2
5257114380533521
n3
3.811721302475E+23
n4
2.7637251610012E+31
n5
2.0038654873827E+39
2 √n
8515.0432177412
3 √n
416.9889735174
4 √n
92.276991811292
5 √n
37.331440013875
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
-72505960
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 72505961 can be divided by 8 positive divisors.
The sum of these divisors (counting 72505961) is 1, the average is 0.125.
Base
System
Value
2
Binary
100010100100101101001101001
3
Ternary
12001102200110222
4
Quaternary
10110211221221
5
Quinary
122030142321
6
Senary
11110015425
8
Octal
424455151
10
Decimal
72505961
12
Duodecimal
20347575
16
Hexadecimal
4525a69
20
Vigesimal
12d34i1
36
Base36
1761yh
md5
e002698d1d74d3e0eeda4b8a0a24454d
sha1
2555df3cd54d3f87c73d0335b0417c8e11847e96
sha256
987f450c79be9fdae80e9fc03d3ed009b225ad425e2703d7c8b7e5ffca1e0a01
sha512
8fcbbd297a5dfd0bd4356ccdc27ae656cff0092c11ee5c9740dc0e25431f8e55a44e33fa18a9892746a6b70cdb5e8b7a98bf49ae19f6ba229724a835ac8dd24c
ripemd-160
3393b265329b62a03401191ea33edb203dd1f5e8
Diameter
145011922
Circumference
455568388.83814
Area
1.6515711916965E+16
Volume
1.5966500855183E+24
Surface area
6.6062847667861E+16
Circumference
455568388.83814
Perimeter
290023844
Area
5257114380533521
Diagonal
102538913.39909
Surface area
31542686283201126
Volume
3.811721302475E+23
Space diagonal
125584008.30361
Perimeter
217517883
Area
2.2763973020713E+15
Altitude
62792004.151804
Surface area
2.2763973020713E+15
Volume
4.4921566349555E+22
Height
34179637.799698