71851490 is an even 8-digits composite number following 71851489
and preceding 71851491 . In scientific notation, it is written as 7.1851490 × 10^7.
The sum of its digits is 35. It has a total of 4 prime factors and 16 positive divisors.
There are 27813360 positive integers (up to 71851490) that are relatively prime to 71851490.
71851490 has 16 divisors, whose sum is 133505280
The reverse of 71851490 is 09415817
Previous prime number is 31
Is Prime? no
Number parity even
Number length 8
Sum of Digits 35
Digital Root 8
Name
seventy-one million eight hundred fifty-one thousand four hundred ninety
Scientific notation
7.1851490 × 10^7
Engineering notation
7.1851490 × 10^6
Prime Factorization
2 × 5 × 31 × 231779
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
71851490
Product of the distinct prime numbers
The prime factorization of 71851490 is 2 × 5 × 31 × 231779.
Since it has a total of 4 prime factors.
9 , 7 , 26 , 64 , 927 , 61 , 8140 , 5329 , 22651 , 66385 , 985436 , 958864 , 845646 , 4910721 , 55337744 , 67040418 , 37243216 , 435565659 , 9913377606 , 2129953486
n×2
143702980
n×3
215554470
n×4
287405960
n×5
359257450
n÷2
35925745
n÷3
23950496.666667
n÷3
17962872.5
n÷5
14370298
n2
5162636615220100
n3
3.7094313313212E+23
n4
2.6652816820811E+31
n5
1.9150446012724E+39
2 √n
8476.5258213492
3 √n
415.7305369396
4 √n
92.068049948661
5 √n
37.263801325369
1 , 2 , 5 , 10 , 31 , 62 , 155 , 310 , 231779 , 463558 , 1158895 , 2317790 , 7185149 , 14370298 , 35925745 , 71851490
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
-71851489
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 71851490 can be divided by 16 positive divisors.
The sum of these divisors (counting 71851490) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100010010000101110111100010
3
Ternary
12000012102201022
4
Quaternary
10102011313202
5
Quinary
121343221430
6
Senary
11044005442
8
Octal
422056742
10
Decimal
71851490
12
Duodecimal
20090882
16
Hexadecimal
4485de2
20
Vigesimal
12918ea
36
Base36
16s0yq
md5
f516c7e0cdf00f547a5a224392641540
sha1
2c2fedf26f2e0fd9fbeefd48cf80d51b5737f39a
sha256
fb7f46f1cb8f8d3a97f4b9e311ca9ed8a9a49798e95bd374e1964374454ecdf9
sha512
b78c170bd58930f98054aa62c3267c2492d56888b18b4bd424e89d5d03a799f5adbc5915c65abf92ef7d2254baa4ea5088e24106f09ab7d4f2d2635ac6226092
ripemd-160
367ad43f2d945f3a6f896b5168d94c9bde26314f
Diameter
143702980
Circumference
451456226.26696
Area
1.6218901263529E+16
Volume
1.5538029625966E+24
Surface area
6.4875605054117E+16
Circumference
451456226.26696
Perimeter
287405960
Area
5162636615220100
Diagonal
101613351.63471
Surface area
30975819691320600
Volume
3.7094313313212E+23
Space diagonal
124450431.27953
Perimeter
215554470
Area
2.2354872296442E+15
Altitude
62225215.639764
Surface area
2.2354872296442E+15
Volume
4.3716067478718E+22
Height
33871117.211572