72162321 is an odd 8-digits composite number following 72162320
and preceding 72162322 . In scientific notation, it is written as 7.2162321 × 10^7.
The sum of its digits is 24. It has a total of 5 prime factors and 32 positive divisors.
There are 36469440 positive integers (up to 72162321) that are relatively prime to 72162321.
72162321 has 32 divisors, whose sum is 123214848
The reverse of 72162321 is 12326127
Previous prime number is 37
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 24
Digital Root 6
Name
seventy-two million one hundred sixty-two thousand three hundred twenty-one
Scientific notation
7.2162321 × 10^7
Engineering notation
7.2162321 × 10^6
Prime Factorization
3 × 11 × 7 × 37 × 8443
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
72162321
Product of the distinct prime numbers
The prime factorization of 72162321 is 3 × 11 × 7 × 37 × 8443.
Since it has a total of 5 prime factors.
9 , 5 , 3 , 76 , 647 , 131 , 3585 , 8660 , 51115 , 60802 , 242703 , 645518 , 1788874 , 6577242 , 63051502 , 42745758 , 844705740 , 273748579 , 2507507249 , 3097113784
n×2
144324642
n×3
216486963
n×4
288649284
n×5
360811605
n÷2
36081160.5
n÷3
24054107
n÷3
18040580.25
n÷5
14432464.2
n2
5207400572107041
n3
3.7577811165997E+23
n4
2.7117020718381E+31
n5
1.9568271536434E+39
2 √n
8494.8408460665
3 √n
416.32916078707
4 √n
92.167460885426
5 √n
37.295986471762
1 , 3 , 7 , 11 , 21 , 33 , 37 , 77 , 111 , 231 , 259 , 407 , 777 , 1221 , 2849 , 8443 , 8547 , 25329 , 59101 , 92873 , 177303 , 278619 , 312391 , 650111 , 937173 , 1950333 , 2186737 , 3436301 , 6560211 , 10308903 , 24054107 , 72162321
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
-72162320
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 72162321 can be divided by 32 positive divisors.
The sum of these divisors (counting 72162321) is 1, the average is 0.03125.
Base
System
Value
2
Binary
100010011010001110000010001
3
Ternary
12000210020002120
4
Quaternary
10103101300101
5
Quinary
121433143241
6
Senary
11054404453
8
Octal
423216021
10
Decimal
72162321
12
Duodecimal
20200729
16
Hexadecimal
44d1c11
20
Vigesimal
12b05g1
36
Base36
16yosx
md5
316b65696e7e129dbbd722f35ed2d20d
sha1
f4ad9484d806f41a1941329793fc9c45620f2e8c
sha256
332c0352b345e409bddd6e4088f854dac5be7f181efcd81c7ec4a360e38bd0d0
sha512
2f31153c4ddcf88f6f924a5a855fecd462e1bcb456ec80d39f3882525ccd1c3778d43481f50916194ad26202809220ee52a7ae7cd8fff732fd4d1ec8fbfc0270
ripemd-160
b79a54e0d889802e772b58eca2a0895e54be5a50
Diameter
144324642
Circumference
453409235.03918
Area
1.6359531381631E+16
Volume
1.5740556732944E+24
Surface area
6.5438125526523E+16
Circumference
453409235.03918
Perimeter
288649284
Area
5207400572107041
Diagonal
102052933.05052
Surface area
31244403432642246
Volume
3.7577811165997E+23
Space diagonal
124988806.36409
Perimeter
216486963
Area
2.2548705915632E+15
Altitude
62494403.182047
Surface area
2.2548705915632E+15
Volume
4.4285875162707E+22
Height
34017644.350174