71978541 is an odd 8-digits composite number following 71978540
and preceding 71978542 . In scientific notation, it is written as 7.1978541 × 10^7.
The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors.
There are 47734080 positive integers (up to 71978541) that are relatively prime to 71978541.
71978541 has 8 divisors, whose sum is 96474624
The reverse of 71978541 is 14587917
Previous prime number is 191
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 42
Digital Root 6
Name
seventy-one million nine hundred seventy-eight thousand five hundred forty-one
Scientific notation
7.1978541 × 10^7
Engineering notation
7.1978541 × 10^6
Prime Factorization
3 × 191 × 125617
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
71978541
Product of the distinct prime numbers
The prime factorization of 71978541 is 3 × 191 × 125617.
Since it has a total of 3 prime factors.
7 , 6 , 41 , 49 , 847 , 516 , 6345 , 6175 , 23681 , 39217 , 90347 , 363366 , 4634624 , 5812717 , 45471448 , 71555246 , 453708885 , 597971579 , 6132364216 , 6297257761
n×2
143957082
n×3
215935623
n×4
287914164
n×5
359892705
n÷2
35989270.5
n÷3
23992847
n÷3
17994635.25
n÷5
14395708.2
n2
5180910364488681
n3
3.7291436908767E+23
n4
2.6841832204866E+31
n5
1.9320359198731E+39
2 √n
8484.0167963059
3 √n
415.97543039371
4 √n
92.108722693922
5 √n
37.276970316402
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
-71978540
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 71978541 can be divided by 8 positive divisors.
The sum of these divisors (counting 71978541) is 1, the average is 0.125.
Base
System
Value
2
Binary
100010010100100111000101101
3
Ternary
12000102212222220
4
Quaternary
10102210320231
5
Quinary
121411303131
6
Senary
11050425553
8
Octal
422447055
10
Decimal
71978541
12
Duodecimal
201322b9
16
Hexadecimal
44a4e2d
20
Vigesimal
129h671
36
Base36
16uqzx
md5
2ad198f43a3237c418e5eff8a18b620d
sha1
02ff153f846f6f7f44565bbb691aca53939259b1
sha256
3ce224b37b6794eaa9b8b0c1782ab75781e32822e4cc4757c6b83e44d8a8267a
sha512
d8212fb28201bd4cbec9b78966d4efca8e020baaea5689a0da8a53b405148987df1dc805a067d520df6a4a05aac35a0f823dfcf1a32cb4c60f071afd9d0d888d
ripemd-160
ad76dd611345d76f2fb74daf272c67ef1e168550
Diameter
143957082
Circumference
452254511.24342
Area
1.6276309939985E+16
Volume
1.5620600564585E+24
Surface area
6.5105239759939E+16
Circumference
452254511.24342
Perimeter
287914164
Area
5180910364488681
Diagonal
101793028.88203
Surface area
31085462186932086
Volume
3.7291436908767E+23
Space diagonal
124670490.06668
Perimeter
215935623
Area
2.2433999951886E+15
Altitude
62335245.03334
Surface area
2.2433999951886E+15
Volume
4.3948379863966E+22
Height
33931009.627343