72145890 is an even 8-digits composite number following 72145889
and preceding 72145891 . In scientific notation, it is written as 7.2145890 × 10^7.
The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors.
There are 19238688 positive integers (up to 72145890) that are relatively prime to 72145890.
72145890 has 16 divisors, whose sum is 145362240
The reverse of 72145890 is 09854127
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 36
Digital Root 9
Name
seventy-two million one hundred forty-five thousand eight hundred ninety
Scientific notation
7.2145890 × 10^7
Engineering notation
7.2145890 × 10^6
Prime Factorization
2 × 135 × 3 × 89069
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
72145890
Product of the distinct prime numbers
The prime factorization of 72145890 is 2 × 135 × 3 × 89069.
Since it has a total of 4 prime factors.
3 , 6 , 58 , 13 , 313 , 806 , 8665 , 7526 , 60465 , 65291 , 702378 , 915841 , 3867907 , 103227 , 4236014 , 89650950 , 583107643 , 167171395 , 6134187736 , 3986981121
n×2
144291780
n×3
216437670
n×4
288583560
n×5
360729450
n÷2
36072945
n÷3
24048630
n÷3
18036472.5
n÷5
14429178
n2
5205029443892100
n3
3.755214817058E+23
n4
2.7092331511784E+31
n5
1.9546003690927E+39
2 √n
8493.8736745963
3 √n
416.29755969844
4 √n
92.162213919785
5 √n
37.294287895091
1 , 2 , 3 , 6 , 135 , 270 , 405 , 810 , 89069 , 178138 , 267207 , 534414 , 12024315 , 24048630 , 36072945 , 72145890
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-72145889
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 72145890 can be divided by 16 positive divisors.
The sum of these divisors (counting 72145890) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100010011001101101111100010
3
Ternary
12000202101120000
4
Quaternary
10103031233202
5
Quinary
121432132030
6
Senary
11054200430
8
Octal
423155742
10
Decimal
72145890
12
Duodecimal
201b3116
16
Hexadecimal
44cdbe2
20
Vigesimal
12ai4ea
36
Base36
16yc4i
md5
0ea793ea6794a5ac5d2b4eaacef71f7e
sha1
69044caa3ce58018a65069deb816842d9702ab75
sha256
53a5d1b940fe2d67851bd2b1fcc36b6ddc4568163a106228daa101c67600aedd
sha512
e2e5fb42dd3259e68cbc74160e84ce149192daa2324c4ea713547eccb8bb129d6b1b79955e67e4a3153fa7b79428a289b99d605124bb08977fe5d6b70c5532db
ripemd-160
f79f581f7f197ea44f6d9ef2696d608486e87b5e
Diameter
144291780
Circumference
453305996.02139
Area
1.635208226265E+16
Volume
1.5729807042561E+24
Surface area
6.54083290506E+16
Circumference
453305996.02139
Perimeter
288583560
Area
5205029443892100
Diagonal
102029696.10748
Surface area
31230176663352600
Volume
3.755214817058E+23
Space diagonal
124960347.03728
Perimeter
216437670
Area
2.2538438629283E+15
Altitude
62480173.518638
Surface area
2.2538438629283E+15
Volume
4.4255631032565E+22
Height
34009898.702492