72113821 is an odd 8-digits composite number following 72113820
and preceding 72113822 . In scientific notation, it is written as 7.2113821 × 10^7.
The sum of its digits is 25. It has a total of 3 prime factors and 6 positive divisors.
There are 66566448 positive integers (up to 72113821) that are relatively prime to 72113821.
72113821 has 6 divisors, whose sum is 78087930
The reverse of 72113821 is 12831127
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 25
Digital Root 7
Name
seventy-two million one hundred thirteen thousand eight hundred twenty-one
Scientific notation
7.2113821 × 10^7
Engineering notation
7.2113821 × 10^6
Prime Factorization
13 × 13 × 426709
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
5547217
Product of the distinct prime numbers
The prime factorization of 72113821 is 13 × 13 × 426709.
Since it has a total of 3 prime factors.
4 , 3 , 48 , 47 , 764 , 223 , 6083 , 5032 , 12860 , 98142 , 88428 , 201995 , 1668340 , 8713425 , 92333842 , 88433026 , 949517937 , 218342307 , 1942347910 , 9378361358
n×2
144227642
n×3
216341463
n×4
288455284
n×5
360569105
n÷2
36056910.5
n÷3
24037940.333333
n÷3
18028455.25
n÷5
14422764.2
n2
5200403179220041
n3
3.750209439941E+23
n4
2.7044193226442E+31
n5
1.950260109421E+39
2 √n
8491.9856924043
3 √n
416.23586884305
4 √n
92.151970637661
5 √n
37.290971827542
6 divisors
τ
Total Divisors
6
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-72113820
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.16666666666667
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
6
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 72113821 can be divided by 6 positive divisors.
The sum of these divisors (counting 72113821) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
100010011000101111010011101
3
Ternary
12000200202120021
4
Quaternary
10103011322131
5
Quinary
121430120241
6
Senary
11053352141
8
Octal
423057235
10
Decimal
72113821
12
Duodecimal
20198651
16
Hexadecimal
44c5e9d
20
Vigesimal
12ae4b1
36
Base36
16xndp
md5
bc642741c2cd9f0cf9508e1092906912
sha1
08e861ed7944ded95697a7059a0cadf1ddb1ebce
sha256
f573bfe4e1f2a7ff258e38ab422fa214e7299bff19706772f1bd246f964df0d7
sha512
6ab15b6600192d28f8ce6c78293da32b359cc8125128506b946ff9cd7f6977d4aaec2170161fe8c179b3285206e13c6d827b14e29eeb4556ddcc1ba0cd8550c5
ripemd-160
c60a666fb92aaa5070f79525f50688faa4ff7df5
Diameter
144227642
Circumference
453104500.55178
Area
1.6337548423543E+16
Volume
1.5708840567923E+24
Surface area
6.5350193694171E+16
Circumference
453104500.55178
Perimeter
288455284
Area
5200403179220041
Diagonal
101984343.69275
Surface area
31202419075320246
Volume
3.750209439941E+23
Space diagonal
124904801.89993
Perimeter
216341463
Area
2.251840631563E+15
Altitude
62452400.949964
Surface area
2.251840631563E+15
Volume
4.4196642097535E+22
Height
33994781.230915