72991206 is an even 8-digits composite number following 72991205
and preceding 72991207 . In scientific notation, it is written as 7.2991206 × 10^7.
The sum of its digits is 36. It has a total of 4 prime factors and 12 positive divisors.
There are 24330348 positive integers (up to 72991206) that are relatively prime to 72991206.
72991206 has 12 divisors, whose sum is 123003972
The reverse of 72991206 is 60219927
Previous prime number is 9
Is Prime? no
Number parity even
Number length 8
Sum of Digits 36
Digital Root 9
Name
seventy-two million nine hundred ninety-one thousand two hundred six
Scientific notation
7.2991206 × 10^7
Engineering notation
7.2991206 × 10^6
Prime Factorization
2 × 9 × 9 × 450563
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
8110134
Product of the distinct prime numbers
The prime factorization of 72991206 is 2 × 9 × 9 × 450563.
Since it has a total of 4 prime factors.
7 , 3 , 55 , 12 , 740 , 19 , 4691 , 233 , 77501 , 27499 , 840685 , 545835 , 1303848 , 7501331 , 7982454 , 97253396 , 759480595 , 368334011 , 7863451918 , 478875406
n×2
145982412
n×3
218973618
n×4
291964824
n×5
364956030
n÷2
36495603
n÷3
24330402
n÷3
18247801.5
n÷5
14598241.2
n2
5327716153334436
n3
3.8887642725756E+23
n4
2.8384559410501E+31
n5
2.0718232231511E+39
2 √n
8543.4890998936
3 √n
417.91713672268
4 √n
92.430996423784
5 √n
37.381274799096
1 , 2 , 9 , 18 , 81 , 162 , 450563 , 901126 , 4055067 , 8110134 , 36495603 , 72991206
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
-72991205
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 72991206 can be divided by 12 positive divisors.
The sum of these divisors (counting 72991206) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100010110011100000111100110
3
Ternary
12002100100010000
4
Quaternary
10112130013212
5
Quinary
122141204311
6
Senary
11124242130
8
Octal
426340746
10
Decimal
72991206
12
Duodecimal
20540346
16
Hexadecimal
459c1e6
20
Vigesimal
12g3i06
36
Base36
17ggdi
md5
792f26fc21190ae6a9b206547651ffb2
sha1
11b005fd5964bd414d2bb4ef39d2e528a1c15113
sha256
d24a3832c83318095f1e02290a9e5ecb44158b61001a222359474b2bb38b63c4
sha512
cb9df4e5faa0a33540f5ae24f00d5d232114386afae372c5e72bddd2ece60a5fee03be114f3ca6b86416ccf4f915accbe56e1b002a0686615933e4c0b162dc33
ripemd-160
a538ce9c21aa76056550369c9476fd77c3e08d73
Diameter
145982412
Circumference
458617273.09252
Area
1.6737513927727E+16
Volume
1.6289217693688E+24
Surface area
6.6950055710909E+16
Circumference
458617273.09252
Perimeter
291964824
Area
5327716153334436
Diagonal
103225153.45917
Surface area
31966296920006616
Volume
3.8887642725756E+23
Space diagonal
126424477.29773
Perimeter
218973618
Area
2.3069687664702E+15
Altitude
63212238.648863
Surface area
2.3069687664702E+15
Volume
4.582952645957E+22
Height
34408384.486389