71128840 is an even 8-digits composite number following 71128839
and preceding 71128841 . In scientific notation, it is written as 7.1128840 × 10^7.
The sum of its digits is 31. It has a total of 5 prime factors and 16 positive divisors.
There are 28451520 positive integers (up to 71128840) that are relatively prime to 71128840.
71128840 has 16 divisors, whose sum is 160039980
The reverse of 71128840 is 04882117
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
seventy-one million one hundred twenty-eight thousand eight hundred forty
Scientific notation
7.1128840 × 10^7
Engineering notation
7.1128840 × 10^6
Prime Factorization
2 × 2 × 2 × 5 × 1778221
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
17782210
Product of the distinct prime numbers
The prime factorization of 71128840 is 2 × 2 × 2 × 5 × 1778221.
Since it has a total of 5 prime factors.
3 , 9 , 89 , 18 , 864 , 827 , 509 , 6140 , 64647 , 70077 , 20118 , 174376 , 8290625 , 1692 , 25550727 , 67396803 , 128034460 , 405610138 , 674865705 , 2906679814
n×2
142257680
n×3
213386520
n×4
284515360
n×5
355644200
n÷2
35564420
n÷3
23709613.333333
n÷3
17782210
n÷5
14225768
n2
5059311879745600
n3
3.5986298520452E+23
n4
2.5596636696535E+31
n5
1.820659076126E+39
2 √n
8433.7915554038
3 √n
414.33209446205
4 √n
91.835676920268
5 √n
37.18854142731
1 , 2 , 4 , 5 , 8 , 10 , 20 , 40 , 1778221 , 3556442 , 7112884 , 8891105 , 14225768 , 17782210 , 35564420 , 71128840
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
-71128839
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 71128840 can be divided by 16 positive divisors.
The sum of these divisors (counting 71128840) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100001111010101011100001000
3
Ternary
11221211201102111
4
Quaternary
10033111130020
5
Quinary
121202110330
6
Senary
11020312104
8
Octal
417253410
10
Decimal
71128840
12
Duodecimal
1b9a2634
16
Hexadecimal
43d5708
20
Vigesimal
124b220
36
Base36
16cjd4
md5
76b9c14520121b02e1b47a525af39160
sha1
bb03f4354214835ac9a22ec1880b1757ee73e7c1
sha256
6fe3eb08c753d2cb905059d49beede5e1012ef93e1d3be17d964d7ac086c2dd5
sha512
3b2caa0d5cb77e5ce52b4cb438ad17d621b9cac594a4f6c6e27f361bb7f98c4139f29e4919d431d5ee34053e537e0419056968e25bcf1b5501737103a11bb9d5
ripemd-160
fac94ad6a521576768c74f6af5491e1ed0636003
Diameter
142257680
Circumference
446915682.40473
Area
1.5894297033628E+16
Volume
1.5073905474899E+24
Surface area
6.3577188134513E+16
Circumference
446915682.40473
Perimeter
284515360
Area
5059311879745600
Diagonal
100591370.20387
Surface area
30355871278473600
Volume
3.5986298520452E+23
Space diagonal
123198764.76344
Perimeter
213386520
Area
2.190746306764E+15
Altitude
61599382.381719
Surface area
2.190746306764E+15
Volume
4.2410259522692E+22
Height
33530456.734622