72991888 is an even 8-digits composite number following 72991887
and preceding 72991889 . In scientific notation, it is written as 7.2991888 × 10^7.
The sum of its digits is 52. It has a total of 5 prime factors and 10 positive divisors.
There are 36495936 positive integers (up to 72991888) that are relatively prime to 72991888.
72991888 has 10 divisors, whose sum is 141421814
The reverse of 72991888 is 88819927
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 52
Digital Root 7
Name
seventy-two million nine hundred ninety-one thousand eight hundred eighty-eight
Scientific notation
7.2991888 × 10^7
Engineering notation
7.2991888 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 4561993
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
9123986
Product of the distinct prime numbers
The prime factorization of 72991888 is 2 × 2 × 2 × 2 × 4561993.
Since it has a total of 5 prime factors.
5 , 10 , 66 , 95 , 930 , 843 , 8028 , 8465 , 96160 , 38133 , 192509 , 120093 , 4428572 , 3416489 , 63825447 , 2364273 , 293973432 , 450726227 , 1857245654 , 4820812234
n×2
145983776
n×3
218975664
n×4
291967552
n×5
364959440
n÷2
36495944
n÷3
24330629.333333
n÷3
18247972
n÷5
14598377.6
n2
5327815713804544
n3
3.8888732786666E+23
n4
2.8385620280263E+31
n5
2.0719200163075E+39
2 √n
8543.5290132357
3 √n
417.91843833427
4 √n
92.431212332392
5 √n
37.381344653906
10 divisors
τ
Total Divisors
10
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-72991887
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.1
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
10
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 72991888 can be divided by 10 positive divisors.
The sum of these divisors (counting 72991888) is 1, the average is 0.1.
Base
System
Value
2
Binary
100010110011100010010010000
3
Ternary
12002100101001021
4
Quaternary
10112130102100
5
Quinary
122141220023
6
Senary
11124245224
8
Octal
426342220
10
Decimal
72991888
12
Duodecimal
20540814
16
Hexadecimal
459c490
20
Vigesimal
12g3je8
36
Base36
17ggwg
md5
018572662d90f7bee4e5298a7811fc61
sha1
e256bfa7d7c4f29bb314217247e372f844f98ff5
sha256
af7ac9f70f12d4530156b13200f8d3bbf6fa91e5ab00afc446dafa156ea639e2
sha512
ba30235e17463f2678a38e57d4e660458ca4e3e35be0e9b0f461b273c5dac9bfc242b5917439c8ac8223a45104b7733df779fb41336034167d55eab752690c4d
ripemd-160
2018551302b710a6ce63bc4a98561e0022ca49f9
Diameter
145983776
Circumference
458621558.2249
Area
1.6737826706169E+16
Volume
1.6289674297334E+24
Surface area
6.6951306824674E+16
Circumference
458621558.2249
Perimeter
291967552
Area
5327815713804544
Diagonal
103226117.95282
Surface area
31966894282827264
Volume
3.8888732786666E+23
Space diagonal
126425658.55638
Perimeter
218975664
Area
2.3070118774183E+15
Altitude
63212829.278189
Surface area
2.3070118774183E+15
Volume
4.5830811108672E+22
Height
34408705.984273