72991207 is an odd 8-digits composite number following 72991206
and preceding 72991208 . In scientific notation, it is written as 7.2991207 × 10^7.
The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors.
There are 71901720 positive integers (up to 72991207) that are relatively prime to 72991207.
72991207 has 4 divisors, whose sum is 74080696
The reverse of 72991207 is 70219927
Previous prime number is 67
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1
Name
seventy-two million nine hundred ninety-one thousand two hundred seven
Scientific notation
7.2991207 × 10^7
Engineering notation
7.2991207 × 10^6
Prime Factorization
67 × 1089421
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
72991207
Product of the distinct prime numbers
The prime factorization of 72991207 is 67 × 1089421.
Since it has a total of 2 prime factors.
6 , 4 , 10 , 79 , 365 , 730 , 5774 , 8673 , 89076 , 8810 , 25365 , 849474 , 4532704 , 77803 , 51951859 , 82283928 , 192983675 , 501119801 , 7040504278 , 4090510784
n×2
145982414
n×3
218973621
n×4
291964828
n×5
364956035
n÷2
36495603.5
n÷3
24330402.333333
n÷3
18247801.75
n÷5
14598241.4
n2
5327716299316849
n3
3.8887644324071E+23
n4
2.8384560966006E+31
n5
2.0718233650739E+39
2 √n
8543.4891584177
3 √n
417.91713863121
4 √n
92.430996740367
5 √n
37.381274901523
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-72991206
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 72991207 can be divided by 4 positive divisors.
The sum of these divisors (counting 72991207) is 1, the average is 0.25.
Base
System
Value
2
Binary
100010110011100000111100111
3
Ternary
12002100100010001
4
Quaternary
10112130013213
5
Quinary
122141204312
6
Senary
11124242131
8
Octal
426340747
10
Decimal
72991207
12
Duodecimal
20540347
16
Hexadecimal
459c1e7
20
Vigesimal
12g3i07
36
Base36
17ggdj
md5
bd389670e2a6953bea1da2c7a10f8fa2
sha1
986b79f264cf6e1885368576ccfb201a94149988
sha256
7af4f807fa80d373af11291cb9f6b22eb624530dd21f2e09656af382f279cca0
sha512
b102f71eb13ed53e6829588bffdeb5a284eeb3ab4b71e9eeb1975f776934b7256643881d25e71edbca93fb08958c1860dfc9c0767b773e2143940be6e0a6798c
ripemd-160
2dd9be85246f94ee9eff257795fa00b5cd29e24d
Diameter
145982414
Circumference
458617279.3757
Area
1.6737514386344E+16
Volume
1.6289218363189E+24
Surface area
6.6950057545378E+16
Circumference
458617279.3757
Perimeter
291964828
Area
5327716299316849
Diagonal
103225154.87338
Surface area
31966297795901094
Volume
3.8887644324071E+23
Space diagonal
126424479.02978
Perimeter
218973621
Area
2.3069688296824E+15
Altitude
63212239.514889
Surface area
2.3069688296824E+15
Volume
4.5829528343202E+22
Height
34408384.957794