72185640 is an even 8-digits composite number following 72185639
and preceding 72185641 . In scientific notation, it is written as 7.2185640 × 10^7.
The sum of its digits is 33. It has a total of 6 prime factors and 32 positive divisors.
There are 18584832 positive integers (up to 72185640) that are relatively prime to 72185640.
72185640 has 32 divisors, whose sum is 149356800
The reverse of 72185640 is 04658127
Previous prime number is 29
Is Prime? no
Number parity even
Number length 8
Sum of Digits 33
Digital Root 6
Name
seventy-two million one hundred eighty-five thousand six hundred forty
Scientific notation
7.2185640 × 10^7
Engineering notation
7.2185640 × 10^6
Prime Factorization
2 × 2 × 2 × 15 × 29 × 20743
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
18046410
Product of the distinct prime numbers
The prime factorization of 72185640 is 2 × 2 × 2 × 15 × 29 × 20743.
Since it has a total of 6 prime factors.
2 , 6 , 85 , 86 , 306 , 696 , 2891 , 4996 , 42710 , 51716 , 393402 , 62392 , 8232625 , 4492371 , 57968278 , 15886617 , 417353293 , 415724343 , 4455545895 , 712086189
n×2
144371280
n×3
216556920
n×4
288742560
n×5
360928200
n÷2
36092820
n÷3
24061880
n÷3
18046410
n÷5
14437128
n2
5210766622209600
n3
3.7614252351484E+23
n4
2.7152088791134E+31
n5
1.9599909067248E+39
2 √n
8496.2132741593
3 √n
416.37400105833
4 √n
92.174905880935
5 √n
37.298396573603
1 , 2 , 4 , 8 , 15 , 29 , 30 , 58 , 60 , 116 , 120 , 232 , 435 , 870 , 1740 , 3480 , 20743 , 41486 , 82972 , 165944 , 311145 , 601547 , 622290 , 1203094 , 1244580 , 2406188 , 2489160 , 4812376 , 9023205 , 18046410 , 36092820 , 72185640
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
-72185639
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 72185640 can be divided by 32 positive divisors.
The sum of these divisors (counting 72185640) is 1, the average is 0.03125.
Base
System
Value
2
Binary
100010011010111011100101000
3
Ternary
12000211102002020
4
Quaternary
10103113130220
5
Quinary
121434420030
6
Senary
11055104440
8
Octal
423273450
10
Decimal
72185640
12
Duodecimal
20212120
16
Hexadecimal
44d7728
20
Vigesimal
12b3420
36
Base36
16z6so
md5
3d79301fc6244263ed1c5d598eeded45
sha1
556843d8eeebe75ee3d1274c28d435cd269ca545
sha256
285d6b1330b1957d2e32a4aeab31382ade7cfb50625bc37812c2fac4560d65e9
sha512
d29fa404be58599a2c5d4228c491d79768a80ecb3479d4f51c1ce6ce3b4d30c5e774031a77e24754a66fcbd863e0c730c6436dbe52a2062fe78ea896b212be1b
ripemd-160
7890b2dff3ae9fb39aaecaeb2b486504edd7b1f1
Diameter
144371280
Circumference
453555752.63736
Area
1.6370106139905E+16
Volume
1.5755821181026E+24
Surface area
6.5480424559618E+16
Circumference
453555752.63736
Perimeter
288742560
Area
5210766622209600
Diagonal
102085911.09658
Surface area
31264599733257600
Volume
3.7614252351484E+23
Space diagonal
125029196.05688
Perimeter
216556920
Area
2.2563281340128E+15
Altitude
62514598.028438
Surface area
2.2563281340128E+15
Volume
4.432882151166E+22
Height
34028637.032194