72189970 is an even 8-digits composite number following 72189969
and preceding 72189971 . In scientific notation, it is written as 7.2189970 × 10^7.
The sum of its digits is 43. It has a total of 3 prime factors and 8 positive divisors.
There are 28875984 positive integers (up to 72189970) that are relatively prime to 72189970.
72189970 has 8 divisors, whose sum is 129941964
The reverse of 72189970 is 07998127
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 43
Digital Root 7
Name
seventy-two million one hundred eighty-nine thousand nine hundred seventy
Scientific notation
7.2189970 × 10^7
Engineering notation
7.2189970 × 10^6
Prime Factorization
2 × 5 × 7218997
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
72189970
Product of the distinct prime numbers
The prime factorization of 72189970 is 2 × 5 × 7218997.
Since it has a total of 3 prime factors.
4 , 7 , 34 , 95 , 981 , 318 , 1094 , 6406 , 42697 , 85479 , 188149 , 546291 , 7012519 , 3328001 , 95797860 , 64885753 , 233603808 , 781844793 , 5623987253 , 7007045352
n×2
144379940
n×3
216569910
n×4
288759880
n×5
360949850
n÷2
36094985
n÷3
24063323.333333
n÷3
18047492.5
n÷5
14437994
n2
5211391768600900
n3
3.7621021543355E+23
n4
2.7158604165841E+31
n5
1.960578819974E+39
2 √n
8496.4680897418
3 √n
416.38232618309
4 √n
92.176288110022
5 √n
37.298844025984
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-72189969
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 72189970 can be divided by 8 positive divisors.
The sum of these divisors (counting 72189970) is 1, the average is 0.125.
Base
System
Value
2
Binary
100010011011000100000010010
3
Ternary
12000211122000121
4
Quaternary
10103120200102
5
Quinary
121440034340
6
Senary
11055140454
8
Octal
423304022
10
Decimal
72189970
12
Duodecimal
2021472a
16
Hexadecimal
44d8812
20
Vigesimal
12b3eia
36
Base36
16za4y
md5
85474d82b32afbbdda484053c6dd1095
sha1
33f9e3197019369a8c4548311f4063dc447576a4
sha256
5d5b9f6b90dcd30cb6e2916286184617307e74c19635d1e7b7712c7c4db265e8
sha512
54190184a534189a72e6c2be72191eb4dc2f52fef24310f5672a3b8c56c29812660358a8432d82bece047d67ba23938b653802c25985b90213b64cf4c86721ca
ripemd-160
25259db0fefda9035ea70aa658d643e34b00cf18
Diameter
144379940
Circumference
453582958.82974
Area
1.6372070095215E+16
Volume
1.5758656653486E+24
Surface area
6.548828038086E+16
Circumference
453582958.82974
Perimeter
288759880
Area
5211391768600900
Diagonal
102092034.64131
Surface area
31268350611605400
Volume
3.7621021543355E+23
Space diagonal
125036695.83687
Perimeter
216569910
Area
2.2565988303407E+15
Altitude
62518347.918437
Surface area
2.2565988303407E+15
Volume
4.4336799080785E+22
Height
34030678.213769