72187420 is an even 8-digits composite number following 72187419
and preceding 72187421 . In scientific notation, it is written as 7.2187420 × 10^7.
The sum of its digits is 31. It has a total of 5 prime factors and 24 positive divisors.
There are 28700736 positive integers (up to 72187420) that are relatively prime to 72187420.
72187420 has 24 divisors, whose sum is 152508384
The reverse of 72187420 is 02478127
Previous prime number is 167
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
seventy-two million one hundred eighty-seven thousand four hundred twenty
Scientific notation
7.2187420 × 10^7
Engineering notation
7.2187420 × 10^6
Prime Factorization
2 × 2 × 5 × 167 × 21613
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
36093710
Product of the distinct prime numbers
The prime factorization of 72187420 is 2 × 2 × 5 × 167 × 21613.
Since it has a total of 5 prime factors.
9 , 6 , 53 , 71 , 922 , 570 , 2514 , 6526 , 8834 , 43265 , 507407 , 829309 , 572390 , 2646906 , 79125726 , 67326695 , 367318750 , 889308843 , 2844114519 , 2814094790
n×2
144374840
n×3
216562260
n×4
288749680
n×5
360937100
n÷2
36093710
n÷3
24062473.333333
n÷3
18046855
n÷5
14437484
n2
5211023606256400
n3
3.7617034969475E+23
n4
2.7154767024961E+31
n5
1.960232572233E+39
2 √n
8496.3180260628
3 √n
416.37742343629
4 √n
92.175474102729
5 √n
37.298580517366
1 , 2 , 4 , 5 , 10 , 20 , 167 , 334 , 668 , 835 , 1670 , 3340 , 21613 , 43226 , 86452 , 108065 , 216130 , 432260 , 3609371 , 7218742 , 14437484 , 18046855 , 36093710 , 72187420
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-72187419
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 72187420 can be divided by 24 positive divisors.
The sum of these divisors (counting 72187420) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
100010011010111111000011100
3
Ternary
12000211111112011
4
Quaternary
10103113320130
5
Quinary
121434444140
6
Senary
11055121004
8
Octal
423277034
10
Decimal
72187420
12
Duodecimal
20213164
16
Hexadecimal
44d7e1c
20
Vigesimal
12b38b0
36
Base36
16z864
md5
9a0299cc4d21501449d2a14979d1ddee
sha1
41a53212eba12a02150e57958d6e24c9b263b062
sha256
6541bb276ef37a6d6af5f2d7fbb37db359c4cb4e8898d562e16522cc4f593d63
sha512
c7df81867d54d24ed810af0f01624932a806d45043f898843cd0aeea013547e5361c6685651f5ee132a76a1e76f158af0f1d59c1892ed67a1fba4d3547cc5d85
ripemd-160
035d9558620b26a511eff787ba88a453cb77f2ef
Diameter
144374840
Circumference
453566936.7072
Area
1.6370913479098E+16
Volume
1.5756986761324E+24
Surface area
6.5483653916392E+16
Circumference
453566936.7072
Perimeter
288749680
Area
5211023606256400
Diagonal
102088428.39672
Surface area
31266141637538400
Volume
3.7617034969475E+23
Space diagonal
125032279.10731
Perimeter
216562260
Area
2.2564394113692E+15
Altitude
62516139.553657
Surface area
2.2564394113692E+15
Volume
4.4332100858412E+22
Height
34029476.132241