71243885 is an odd 8-digits composite number following 71243884
and preceding 71243886 . In scientific notation, it is written as 7.1243885 × 10^7.
The sum of its digits is 38. It has a total of 4 prime factors and 16 positive divisors.
There are 55608000 positive integers (up to 71243885) that are relatively prime to 71243885.
71243885 has 16 divisors, whose sum is 87599232
The reverse of 71243885 is 58834217
Previous prime number is 101
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2
Name
seventy-one million two hundred forty-three thousand eight hundred eighty-five
Scientific notation
7.1243885 × 10^7
Engineering notation
7.1243885 × 10^6
Prime Factorization
5 × 71 × 101 × 1987
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
71243885
Product of the distinct prime numbers
The prime factorization of 71243885 is 5 × 71 × 101 × 1987.
Since it has a total of 4 prime factors.
3 , 7 , 53 , 12 , 227 , 776 , 2489 , 3531 , 6502 , 14206 , 784823 , 360952 , 9636367 , 754017 , 15208827 , 77374520 , 502025302 , 995824420 , 9256750480 , 6490458536
n×2
142487770
n×3
213731655
n×4
284975540
n×5
356219425
n÷2
35621942.5
n÷3
23747961.666667
n÷3
17810971.25
n÷5
14248777
n2
5075691149893225
n3
3.6161195657851E+23
n4
2.5762640649104E+31
n5
1.8354306077011E+39
2 √n
8440.6092789561
3 √n
414.55535673665
4 √n
91.872788566344
5 √n
37.200563528267
1 , 5 , 71 , 101 , 355 , 505 , 1987 , 7171 , 9935 , 35855 , 141077 , 200687 , 705385 , 1003435 , 14248777 , 71243885
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
-71243884
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 71243885 can be divided by 16 positive divisors.
The sum of these divisors (counting 71243885) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100001111110001100001101101
3
Ternary
11222001120020102
4
Quaternary
10033301201231
5
Quinary
121214301020
6
Senary
11023000445
8
Octal
417614155
10
Decimal
71243885
12
Duodecimal
1ba39125
16
Hexadecimal
43f186d
20
Vigesimal
12559e5
36
Base36
16f04t
md5
2d7cc3d1dff99cc2cd692048283fe4e9
sha1
d509a2e2237942f4bdf4046bf5450281cd0d979b
sha256
996a681f6065c3ff801c23c101770079c0ba95b92afa2610982b05337f8ae1f8
sha512
5c356e12ea7f6ce40de350a9d1b56dabd0aec3f1c47c4a07d93b4cdea7060c65719b1c04d9beeb565e5dbb93036d7246d29e49ec1785efec621d2237e2bb1840
ripemd-160
afd3c13af6f87849e8b6d976eb4ce40cf8f19fe4
Diameter
142487770
Circumference
447638531.45839
Area
1.5945754028395E+16
Volume
1.5147166216497E+24
Surface area
6.3783016113581E+16
Circumference
447638531.45839
Perimeter
284975540
Area
5075691149893225
Diagonal
100754068.40315
Surface area
30454146899359350
Volume
3.6161195657851E+23
Space diagonal
123398028.54859
Perimeter
213731655
Area
2.1978387387857E+15
Altitude
61699014.274297
Surface area
2.1978387387857E+15
Volume
4.26163777758E+22
Height
33584689.467716