72103721 is an odd 8-digits prime number following 72103720
and preceding 72103722 . In scientific notation, it is written as 7.2103721 × 10^7.
The sum of its digits is 23. It has a total of 1 prime factors and 2 positive divisors.
There are 72103720 positive integers (up to 72103721) that are relatively prime to 72103721.
72103721 has 2 divisors, whose sum is 72103722
The reverse of 72103721 is 12730127
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 23
Digital Root 5
Name
seventy-two million one hundred three thousand seven hundred twenty-one
Scientific notation
7.2103721 × 10^7
Engineering notation
7.2103721 × 10^6
Prime Factorization
72103721
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
72103721
Product of the distinct prime numbers
The prime factorization of 72103721 is 72103721.
Since it has a total of 1 prime factors.
1 , 1 , 78 , 98 , 633 , 718 , 9245 , 9704 , 22687 , 81638 , 827559 , 49566 , 5025574 , 1901894 , 77309519 , 13898553 , 662262174 , 658541423 , 1213466577 , 821193544
n×2
144207442
n×3
216311163
n×4
288414884
n×5
360518605
n÷2
36051860.5
n÷3
24034573.666667
n÷3
18025930.25
n÷5
14420744.2
n2
5198946582045841
n3
3.7486339384574E+23
n4
2.7029045562966E+31
n5
1.9488947601684E+39
2 √n
8491.3909932354
3 √n
416.21643577415
4 √n
92.148743850556
5 √n
37.289927201388
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
72103722
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
36051861
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
8491.3910521186
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999722622
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 72103721 can be divided by 2 positive divisors.
The sum of these divisors (counting 72103721) is 72103722, the average is 36051861.
Base
System
Value
2
Binary
100010011000011011100101001
3
Ternary
12000200020201012
4
Quaternary
10103003130221
5
Quinary
121424304341
6
Senary
11053233305
8
Octal
423033451
10
Decimal
72103721
12
Duodecimal
20192835
16
Hexadecimal
44c3729
20
Vigesimal
12acj61
36
Base36
16xfl5
md5
069c0ed38b60502e3528d1032131de0c
sha1
f96a429fc982ddea27648dc52a242aaa9b571e4f
sha256
0898386880a0346da4bb6495145747961cbbc485c8349f49b99839bcc7d23fe6
sha512
4c593d1ff468f7aa30536434ea0c550ed40431ea8c3ad6ba68a3671d4a464001ec22f9cf68cce718e9fb291e15ea4a18cbcc66ba92ce9b81e7e68bb88c84cb08
ripemd-160
4ff42adec86110e017168f29f8f6859189e6157b
Diameter
144207442
Circumference
453041040.38018
Area
1.6332972388561E+16
Volume
1.570224112274E+24
Surface area
6.5331889554244E+16
Circumference
453041040.38018
Perimeter
288414884
Area
5198946582045841
Diagonal
101970060.13577
Surface area
31193679492275046
Volume
3.7486339384574E+23
Space diagonal
124887308.18677
Perimeter
216311163
Area
2.251209906485E+15
Altitude
62443654.093386
Surface area
2.251209906485E+15
Volume
4.4178074634487E+22
Height
33990020.045255