72649251 is an odd 8-digits composite number following 72649250
and preceding 72649252 . In scientific notation, it is written as 7.2649251 × 10^7.
The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors.
There are 48301344 positive integers (up to 72649251) that are relatively prime to 72649251.
72649251 has 16 divisors, whose sum is 107920800
The reverse of 72649251 is 15294627
Previous prime number is 389
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
seventy-two million six hundred forty-nine thousand two hundred fifty-one
Scientific notation
7.2649251 × 10^7
Engineering notation
7.2649251 × 10^6
Prime Factorization
9 × 3 × 389 × 6917
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
72649251
Product of the distinct prime numbers
The prime factorization of 72649251 is 9 × 3 × 389 × 6917.
Since it has a total of 4 prime factors.
1 , 5 , 95 , 57 , 785 , 23 , 566 , 7327 , 88237 , 9537 , 195775 , 894260 , 2111425 , 1411634 , 57762038 , 21692877 , 486934126 , 940811473 , 3627031998 , 9391720383
n×2
145298502
n×3
217947753
n×4
290597004
n×5
363246255
n÷2
36324625.5
n÷3
24216417
n÷3
18162312.75
n÷5
14529850.2
n2
5277913670861001
n3
3.8343647503071E+23
n4
2.7856372717061E+31
n5
2.0237446134713E+39
2 √n
8523.4529974653
3 √n
417.26348443016
4 √n
92.322548694592
5 √n
37.346183625049
1 , 3 , 9 , 27 , 389 , 1167 , 3501 , 6917 , 10503 , 20751 , 62253 , 186759 , 2690713 , 8072139 , 24216417 , 72649251
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
-72649250
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 72649251 can be divided by 16 positive divisors.
The sum of these divisors (counting 72649251) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100010101001000101000100011
3
Ternary
12001200222001000
4
Quaternary
10111020220203
5
Quinary
122044234001
6
Senary
11113043043
8
Octal
425105043
10
Decimal
72649251
12
Duodecimal
203b6483
16
Hexadecimal
4548a23
20
Vigesimal
12e132b
36
Base36
1794ir
md5
9ab2dc45fa0036d3b5c9f2563b6c20c4
sha1
e17a0da77576936c41a0200c400dea095f4186b8
sha256
8f11480ae1492b9b99306044c862b525569bc5135e6094f0b11f2ab2a0ddd001
sha512
f38d7bd6c7b54c8b408587b6ab44d2ab927601f0fef0b1e5f339b933bd221adfbd3e48958a2e74d431074f5e15a21aaf1dc3bb14f4fc09c06ad38e8d8aec349c
ripemd-160
e71fef9e8cd0e5c9ed2c69a53eee60a6f0bc2275
Diameter
145298502
Circumference
456468706.4608
Area
1.6581054814658E+16
Volume
1.6061349507665E+24
Surface area
6.6324219258632E+16
Circumference
456468706.4608
Perimeter
290597004
Area
5277913670861001
Diagonal
102741556.06045
Surface area
31667482025166006
Volume
3.8343647503071E+23
Space diagonal
125832193.86382
Perimeter
217947753
Area
2.2854036589734E+15
Altitude
62916096.931912
Surface area
2.2854036589734E+15
Volume
4.5188421941414E+22
Height
34247185.353482