72551421 is an odd 8-digits composite number following 72551420
and preceding 72551422 . In scientific notation, it is written as 7.2551421 × 10^7.
The sum of its digits is 27. It has a total of 4 prime factors and 12 positive divisors.
There are 47685960 positive integers (up to 72551421) that are relatively prime to 72551421.
72551421 has 12 divisors, whose sum is 106273440
The reverse of 72551421 is 12415527
Previous prime number is 71
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
seventy-two million five hundred fifty-one thousand four hundred twenty-one
Scientific notation
7.2551421 × 10^7
Engineering notation
7.2551421 × 10^6
Prime Factorization
3 × 3 × 71 × 113539
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
24183807
Product of the distinct prime numbers
The prime factorization of 72551421 is 3 × 3 × 71 × 113539.
Since it has a total of 4 prime factors.
10 , 8 , 33 , 64 , 860 , 663 , 7975 , 6818 , 14950 , 46893 , 777510 , 822326 , 9718695 , 8600890 , 8847631 , 50957265 , 979408842 , 639658316 , 55860870 , 8280872317
n×2
145102842
n×3
217654263
n×4
290205684
n×5
362757105
n÷2
36275710.5
n÷3
24183807
n÷3
18137855.25
n÷5
14510284.2
n2
5263708689119241
n3
3.8188954512565E+23
n4
2.7706629163909E+31
n5
2.0101553169617E+39
2 √n
8517.7121928368
3 √n
417.07610363328
4 √n
92.291452436489
5 √n
37.336120075436
1 , 3 , 9 , 71 , 213 , 639 , 113539 , 340617 , 1021851 , 8061269 , 24183807 , 72551421
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-72551420
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 72551421 can be divided by 12 positive divisors.
The sum of these divisors (counting 72551421) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100010100110000101111111101
3
Ternary
12001111222211200
4
Quaternary
10110300233331
5
Quinary
122033121141
6
Senary
11111010113
8
Octal
424605775
10
Decimal
72551421
12
Duodecimal
20369939
16
Hexadecimal
4530bfd
20
Vigesimal
12d8ib1
36
Base36
177119
md5
03447915d7209cc5dea2de335f067653
sha1
fd5d73a82b57219de0b9c846d3d7f52e411993a5
sha256
340c960ac65248240acbb247f73d1e26c7a1d3adbb7f6d66d43378548ebb1635
sha512
5e3ade0f6b5386abd60dce09055ec33d22b7f757002248b7548cf33809a528a0b0100985165079807f63a3110b1ada21f0b930ed450ec7d7f2a24067a5f3ee87
ripemd-160
a84a94d5336e5c716925092f373258c13f76e930
Diameter
145102842
Circumference
455854022.4422
Area
1.6536428548374E+16
Volume
1.5996551859326E+24
Surface area
6.6145714193495E+16
Circumference
455854022.4422
Perimeter
290205684
Area
5263708689119241
Diagonal
102603203.54764
Surface area
31582252134715446
Volume
3.8188954512565E+23
Space diagonal
125662747.33332
Perimeter
217654263
Area
2.2792527214491E+15
Altitude
62831373.66666
Surface area
2.2792527214491E+15
Volume
4.5006114503765E+22
Height
34201067.849213