71978540 is an even 8-digits composite number following 71978539
and preceding 71978541 . In scientific notation, it is written as 7.1978540 × 10^7.
The sum of its digits is 41. It has a total of 4 prime factors and 12 positive divisors.
There are 28791408 positive integers (up to 71978540) that are relatively prime to 71978540.
71978540 has 12 divisors, whose sum is 151154976
The reverse of 71978540 is 04587917
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 41
Digital Root 5
Name
seventy-one million nine hundred seventy-eight thousand five hundred forty
Scientific notation
7.1978540 × 10^7
Engineering notation
7.1978540 × 10^6
Prime Factorization
2 × 2 × 5 × 3598927
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
35989270
Product of the distinct prime numbers
The prime factorization of 71978540 is 2 × 2 × 5 × 3598927.
Since it has a total of 4 prime factors.
10 , 2 , 14 , 14 , 475 , 151 , 7487 , 3279 , 56553 , 31046 , 425484 , 500182 , 7006427 , 2413657 , 85619489 , 12350390 , 752371228 , 454150931 , 8439732756 , 6515089755
n×2
143957080
n×3
215935620
n×4
287914160
n×5
359892700
n÷2
35989270
n÷3
23992846.666667
n÷3
17994635
n÷5
14395708
n2
5180910220531600
n3
3.7291435354494E+23
n4
2.6841830713209E+31
n5
1.9320357856639E+39
2 √n
8484.0167373715
3 √n
415.97542846732
4 √n
92.108722374005
5 √n
37.276970212824
1 , 2 , 4 , 5 , 10 , 20 , 3598927 , 7197854 , 14395708 , 17994635 , 35989270 , 71978540
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-71978539
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 71978540 can be divided by 12 positive divisors.
The sum of these divisors (counting 71978540) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100010010100100111000101100
3
Ternary
12000102212222212
4
Quaternary
10102210320230
5
Quinary
121411303130
6
Senary
11050425552
8
Octal
422447054
10
Decimal
71978540
12
Duodecimal
201322b8
16
Hexadecimal
44a4e2c
20
Vigesimal
129h670
36
Base36
16uqzw
md5
0872ee88d39623d2ef0e49110e17f3bc
sha1
7ac9bbfa66f83cd7f6d122d39661620161d6be7c
sha256
53184c274c124196965d16841de83300f0e5ddd6c5e6b80cb1c0b8892d8820dc
sha512
b1484d6059b79c7a9cedf506dda5d2f65deeb61c642909e4d72a234755b9fd90d9f9be35e179f1151ede5a16fec9a8dff35b6841aabb6ae3b0790c3df60a06fb
ripemd-160
4fe72ab2505a9195d54371b6c9d3cd7c09b3e4ff
Diameter
143957080
Circumference
452254504.96024
Area
1.627630948773E+16
Volume
1.5620599913533E+24
Surface area
6.5105237950921E+16
Circumference
452254504.96024
Perimeter
287914160
Area
5180910220531600
Diagonal
101793027.46781
Surface area
31085461323189600
Volume
3.7291435354494E+23
Space diagonal
124670488.33463
Perimeter
215935620
Area
2.2433999328534E+15
Altitude
62335244.167314
Surface area
2.2433999328534E+15
Volume
4.3948378032238E+22
Height
33931009.155938