72642909 is an odd 8-digits composite number following 72642908
and preceding 72642910 . In scientific notation, it is written as 7.2642909 × 10^7.
The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors.
There are 45879696 positive integers (up to 72642909) that are relatively prime to 72642909.
72642909 has 8 divisors, whose sum is 101955040
The reverse of 72642909 is 90924627
Previous prime number is 19
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
seventy-two million six hundred forty-two thousand nine hundred nine
Scientific notation
7.2642909 × 10^7
Engineering notation
7.2642909 × 10^6
Prime Factorization
3 × 19 × 1274437
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
72642909
Product of the distinct prime numbers
The prime factorization of 72642909 is 3 × 19 × 1274437.
Since it has a total of 3 prime factors.
7 , 5 , 9 , 51 , 452 , 492 , 7676 , 2933 , 10277 , 78957 , 606503 , 235689 , 6935641 , 9419295 , 2759864 , 53973802 , 235741313 , 90350863 , 1725725560 , 9379653711
n×2
145285818
n×3
217928727
n×4
290571636
n×5
363214545
n÷2
36321454.5
n÷3
24214303
n÷3
18160727.25
n÷5
14528581.8
n2
5276992227982281
n3
3.8333606621102E+23
n4
2.7846646974185E+31
n5
2.0228614421009E+39
2 √n
8523.0809570249
3 √n
417.25134224475
4 √n
92.320533777838
5 √n
37.345531566661
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
-72642908
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 72642909 can be divided by 8 positive divisors.
The sum of these divisors (counting 72642909) is 1, the average is 0.125.
Base
System
Value
2
Binary
100010101000111000101011101
3
Ternary
12001200122100010
4
Quaternary
10111013011131
5
Quinary
122044033114
6
Senary
11112553433
8
Octal
425070535
10
Decimal
72642909
12
Duodecimal
203b2879
16
Hexadecimal
454715d
20
Vigesimal
12e0759
36
Base36
178zml
md5
c288cd74d0ff13b6daf55ac037aa89d7
sha1
11e622caa13a51b4bf9e951e63e5e22bc99ec622
sha256
d8aa116b9048073db434e0f5cc4fc6019c888b95287b34d87f055065426a3646
sha512
73c2eee29e3c4fe484f84003f776f00545fa195369c8bf625267a613d7fdd66ceb25167aeae617101b4f65d6d6980e0545848c17c7afa88c41c4dc3ae7ae4b8d
ripemd-160
25398a7ef7a38886aa4695b3e7df90dd28dd247f
Diameter
145285818
Circumference
456428858.49958
Area
1.657816001648E+16
Volume
1.6057143592861E+24
Surface area
6.6312640065918E+16
Circumference
456428858.49958
Perimeter
290571636
Area
5276992227982281
Diagonal
102732587.11803
Surface area
31661953367893686
Volume
3.8333606621102E+23
Space diagonal
125821209.1976
Perimeter
217928727
Area
2.2850046625028E+15
Altitude
62910604.598801
Surface area
2.2850046625028E+15
Volume
4.5176588648532E+22
Height
34244195.706012