72161715 is an odd 8-digits composite number following 72161714
and preceding 72161716 . In scientific notation, it is written as 7.2161715 × 10^7.
The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors.
There are 35199360 positive integers (up to 72161715) that are relatively prime to 72161715.
72161715 has 16 divisors, whose sum is 83827200
The reverse of 72161715 is 51716127
Previous prime number is 19
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
seventy-two million one hundred sixty-one thousand seven hundred fifteen
Scientific notation
7.2161715 × 10^7
Engineering notation
7.2161715 × 10^6
Prime Factorization
15 × 29 × 19 × 8731
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
72161715
Product of the distinct prime numbers
The prime factorization of 72161715 is 15 × 29 × 19 × 8731.
Since it has a total of 4 prime factors.
6 , 6 , 26 , 78 , 585 , 533 , 5335 , 6307 , 79556 , 48418 , 589766 , 837355 , 242193 , 8120011 , 24914373 , 67986696 , 368925394 , 771944376 , 9843185295 , 4701827569
n×2
144323430
n×3
216485145
n×4
288646860
n×5
360808575
n÷2
36080857.5
n÷3
24053905
n÷3
18040428.75
n÷5
14432343
n2
5207313111741225
n3
3.7576864468523E+23
n4
2.7116109843712E+31
n5
1.9567449904506E+39
2 √n
8494.8051772833
3 √n
416.32799537658
4 √n
92.167267385354
5 √n
37.295923831195
1 , 15 , 19 , 29 , 285 , 435 , 551 , 8265 , 8731 , 130965 , 165889 , 253199 , 2488335 , 3797985 , 4810781 , 72161715
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
-72161714
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 72161715 can be divided by 16 positive divisors.
The sum of these divisors (counting 72161715) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100010011010001100110110011
3
Ternary
12000210012021010
4
Quaternary
10103101212303
5
Quinary
121433133330
6
Senary
11054402003
8
Octal
423214663
10
Decimal
72161715
12
Duodecimal
20200303
16
Hexadecimal
44d19b3
20
Vigesimal
12b045f
36
Base36
16yoc3
md5
2cf9b01f5eb6d257764847be6d261db1
sha1
fec11fe497ee446d00cffe6c6ae295eeb68a9e72
sha256
279fb3cdfd8e2ca9d45b1b0d6163bcb1a5c7f230a836e1a4e67f14748de56c9f
sha512
35f512e395622931d59bcc2741b3ed5ddcb59613a033604361a265658d2527fb9f4899145a8eac6e49f0b5b619fc5b57ea0b50274a8d6b43d1451e325373ef86
ripemd-160
ce71725bc23c20590858b5d8e1ad509b6f736458
Diameter
144323430
Circumference
453405427.42888
Area
1.6359256616788E+16
Volume
1.5740160181234E+24
Surface area
6.5437026467152E+16
Circumference
453405427.42888
Perimeter
288646860
Area
5207313111741225
Diagonal
102052076.0371
Surface area
31243878670447350
Volume
3.7576864468523E+23
Space diagonal
124987756.74131
Perimeter
216485145
Area
2.2548327201138E+15
Altitude
62493878.370653
Surface area
2.2548327201138E+15
Volume
4.4284759469034E+22
Height
34017358.679034