72187470 is an even 8-digits composite number following 72187469
and preceding 72187471 . In scientific notation, it is written as 7.2187470 × 10^7.
The sum of its digits is 36. It has a total of 5 prime factors and 32 positive divisors.
There are 18777600 positive integers (up to 72187470) that are relatively prime to 72187470.
72187470 has 32 divisors, whose sum is 151206048
The reverse of 72187470 is 07478127
Previous prime number is 41
Is Prime? no Number parity even Number length 8 Sum of Digits 36 Digital Root 9
Name
seventy-two million one hundred eighty-seven thousand four hundred seventy
Scientific notation
7.2187470 × 10^7
Engineering notation
7.2187470 × 10^6
Prime Factorization
2 × 3 × 45 × 41 × 6521
Composite number
ω Distinct Factors
5 Total number of distinct prime factors
Ω Total Factors
5 Total number of prime factors
rad Radical
72187470 Product of the distinct prime numbers
The prime factorization of 72187470 is 2 × 3 × 45 × 41 × 6521.
Since it has a total of 5 prime factors.
6 , 4 , 9 , 17 , 581 , 581 , 2226 , 7218 , 86943 , 95831 , 524170 , 170575 , 4742929 , 7926454 , 74674030 , 93876107 , 964159777 , 42069455 , 3965118983 , 9112604240
n×2
144374940
n×3
216562410
n×4
288749880
n×5
360937350
n÷2
36093735
n÷3
24062490
n÷3
18046867.5
n÷5
14437494
n2
5211030825000900
n3
3.7617113134883E+23
n4
2.715484225911E+31
n5
1.9602393609342E+39
2 √n8496.3209685134
3 √n416.37751956969
4 √n92.175490063863
5 √n37.298585684273
1 , 2 , 3 , 6 , 41 , 45 , 82 , 90 , 123 , 135 , 246 , 270 , 1845 , 3690 , 5535 , 6521 , 11070 , 13042 , 19563 , 39126 , 267361 , 293445 , 534722 , 586890 , 802083 , 880335 , 1604166 , 1760670 , 12031245 , 24062490 , 36093735 , 72187470
32 divisors
τ Total Divisors
32 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-72187469 Sum of the proper positive divisors of n
A Arithmetic Mean
0.03125 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
32 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 72187470 can be divided by 32 positive divisors.
The sum of these divisors (counting 72187470) is 1, the average is 0.03125.
Base
System
Value
2
Binary
100010011010111111001001110
3
Ternary
12000211111121000
4
Quaternary
10103113321032
5
Quinary
121434444340
6
Senary
11055121130
8
Octal
423277116
10
Decimal
72187470
12
Duodecimal
202131a6
16
Hexadecimal
44d7e4e
20
Vigesimal
12b38da
36
Base36
16z87i
md5
8a50fb81c6d00a93430457e050b39eb5
sha1
2a4242756eb383a1e20bf627324c58658929b336
sha256
56a1577573a5178917904293425d9a53fb16c11abaae3ae36169712681a3e036
sha512
09102313c36d3cc6a9604ee50a0d2dba9df5850ff40c2bcca462c9494610eb09fc0f496aad31ffba16e70c0c612b152691e2771e97a84859463fc1f81c1af1ae
ripemd-160
c5bd90eb8fff2941b7c5c383ab203c62a735a821
Diameter
144374940
Circumference
453567250.86647
Area
1.6370936157453E+16
Volume
1.5757019503174E+24
Surface area
6.5483744629811E+16
Circumference
453567250.86647
Perimeter
288749880
Area
5211030825000900
Diagonal
102088499.1074
Surface area
31266184950005400
Volume
3.7617113134883E+23
Space diagonal
125032365.70985
Perimeter
216562410
Area
2.2564425371773E+15
Altitude
62516182.854927
Surface area
2.2564425371773E+15
Volume
4.4332192977229E+22
Height
34029499.702467