72408521 is an odd 8-digits prime number following 72408520
and preceding 72408522 . In scientific notation, it is written as 7.2408521 × 10^7.
The sum of its digits is 29. It has a total of 1 prime factors and 2 positive divisors.
There are 72408520 positive integers (up to 72408521) that are relatively prime to 72408521.
72408521 has 2 divisors, whose sum is 72408522
The reverse of 72408521 is 12580427
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2
Name
seventy-two million four hundred eight thousand five hundred twenty-one
Scientific notation
7.2408521 × 10^7
Engineering notation
7.2408521 × 10^6
Prime Factorization
72408521
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
72408521
Product of the distinct prime numbers
The prime factorization of 72408521 is 72408521.
Since it has a total of 1 prime factors.
1 , 2 , 63 , 56 , 893 , 672 , 1860 , 2813 , 7886 , 61554 , 588762 , 43779 , 8503839 , 2865149 , 79326734 , 61658560 , 406826445 , 661593191 , 5055361841 , 8536009136
n×2
144817042
n×3
217225563
n×4
289634084
n×5
362042605
n÷2
36204260.5
n÷3
24136173.666667
n÷3
18102130.25
n÷5
14481704.2
n2
5242993913407441
n3
3.7963743488183E+23
n4
2.7488985176027E+31
n5
1.9904367603871E+39
2 √n
8509.3196555306
3 √n
416.80209407561
4 √n
92.245973654846
5 √n
37.321400749674
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
72408522
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
36204261
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
8509.3197142897
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999723789
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 72408521 can be divided by 2 positive divisors.
The sum of these divisors (counting 72408521) is 72408522, the average is 36204261.
Base
System
Value
2
Binary
100010100001101110111001001
3
Ternary
12001020201211002
4
Quaternary
10110031313021
5
Quinary
122014033041
6
Senary
11103544345
8
Octal
424156711
10
Decimal
72408521
12
Duodecimal
202bb0b5
16
Hexadecimal
450ddc9
20
Vigesimal
12cb161
36
Base36
173yrt
md5
a92cd6564c23b24fa500d0429a15a635
sha1
46b7811f60d11717e4380113bb6846fbab58c548
sha256
ae97d41a940e2008f28b18e5bd72020f91eac9c2ad7683dfdf446ceea2055a7f
sha512
8b28d49fe7c84c68f53a4f7bc8436a6a339b89be678ed30de9934b846e493fba19fb1751292f46b0bdb50b7775193153c8dfd324b554bd00fae94cd3c5642fa3
ripemd-160
efa497f269f0fc6fd3a8dcf230f8596c512af779
Diameter
144817042
Circumference
454956155.2618
Area
1.6471351161177E+16
Volume
1.5902215686033E+24
Surface area
6.5885404644707E+16
Circumference
454956155.2618
Perimeter
289634084
Area
5242993913407441
Diagonal
102401112.42958
Surface area
31457963480444646
Volume
3.7963743488183E+23
Space diagonal
125415237.27292
Perimeter
217225563
Area
2.270282960449E+15
Altitude
62707618.636459
Surface area
2.270282960449E+15
Volume
4.4740700766202E+22
Height
34133704.143192