72019921 is an odd 8-digits prime number following 72019920
and preceding 72019922 . In scientific notation, it is written as 7.2019921 × 10^7.
The sum of its digits is 31. It has a total of 1 prime factors and 2 positive divisors.
There are 72019920 positive integers (up to 72019921) that are relatively prime to 72019921.
72019921 has 2 divisors, whose sum is 72019922
The reverse of 72019921 is 12991027
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
seventy-two million nineteen thousand nine hundred twenty-one
Scientific notation
7.2019921 × 10^7
Engineering notation
7.2019921 × 10^6
Prime Factorization
72019921
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
72019921
Product of the distinct prime numbers
The prime factorization of 72019921 is 72019921.
Since it has a total of 1 prime factors.
3 , 5 , 24 , 76 , 990 , 532 , 7271 , 5800 , 78078 , 43269 , 464710 , 544958 , 9026338 , 3709603 , 67176831 , 61629265 , 776322019 , 206995823 , 4806824858 , 6720136167
n×2
144039842
n×3
216059763
n×4
288079684
n×5
360099605
n÷2
36009960.5
n÷3
24006640.333333
n÷3
18004980.25
n÷5
14403984.2
n2
5186869020846241
n3
3.7355789711869E+23
n4
2.6903610239414E+31
n5
1.9375958840574E+39
2 √n
8486.4551492363
3 √n
416.05512898889
4 √n
92.121958018902
5 √n
37.281255389198
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
72019922
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
36009961
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
8486.4552081538
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999722299
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 72019921 can be divided by 2 positive divisors.
The sum of these divisors (counting 72019921) is 72019922, the average is 36009961.
Base
System
Value
2
Binary
100010010101110111111010001
3
Ternary
12000111222202111
4
Quaternary
10102232333101
5
Quinary
121414114141
6
Senary
11051345321
8
Octal
422567721
10
Decimal
72019921
12
Duodecimal
20152241
16
Hexadecimal
44aefd1
20
Vigesimal
12a29g1
36
Base36
16vmxd
md5
8e906d655f05aa0ab53a60fb57cca585
sha1
bded567e700e170851e1ab90dc65bf64381ab0fe
sha256
e31876a4a65c76becc45acf626e00097a3eb20cb2a84b61923bdc1f471be2957
sha512
69e00a89fedbc9174a9881aea5d4cad39dcdfbf8fee4e647e00d514f67a41ecc440e6299c2c0a6c9e2e6bc537d435a8dc152fdc101acb903dd9d469e79cb2959
ripemd-160
bb833c28831bcfa8695cd725eed4bba066ad3c99
Diameter
144039842
Circumference
452514509.45143
Area
1.6295029611023E+16
Volume
1.5647556603714E+24
Surface area
6.5180118444092E+16
Circumference
452514509.45143
Perimeter
288079684
Area
5186869020846241
Diagonal
101851549.03924
Surface area
31121214125077446
Volume
3.7355789711869E+23
Space diagonal
124742162.3291
Perimeter
216059763
Area
2.2459801690777E+15
Altitude
62371081.164548
Surface area
2.2459801690777E+15
Volume
4.4024220369736E+22
Height
33950516.346413