71899749 is an odd 8-digits composite number following 71899748
and preceding 71899750 . In scientific notation, it is written as 7.1899749 × 10^7.
The sum of its digits is 54. It has a total of 4 prime factors and 16 positive divisors.
There are 44979840 positive integers (up to 71899749) that are relatively prime to 71899749.
71899749 has 16 divisors, whose sum is 84839040
The reverse of 71899749 is 94799817
Previous prime number is 571
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 54
Digital Root 9
Name
seventy-one million eight hundred ninety-nine thousand seven hundred forty-nine
Scientific notation
7.1899749 × 10^7
Engineering notation
7.1899749 × 10^6
Prime Factorization
9 × 17 × 571 × 823
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
71899749
Product of the distinct prime numbers
The prime factorization of 71899749 is 9 × 17 × 571 × 823.
Since it has a total of 4 prime factors.
1 , 6 , 56 , 50 , 795 , 975 , 2699 , 4656 , 15709 , 35674 , 118708 , 667887 , 9550440 , 3155113 , 77692198 , 19338359 , 558566259 , 463011986 , 8885129370 , 3357538207
n×2
143799498
n×3
215699247
n×4
287598996
n×5
359498745
n÷2
35949874.5
n÷3
23966583
n÷3
17974937.25
n÷5
14379949.8
n2
5169573906263001
n3
3.7169106629726E+23
n4
2.6724494372315E+31
n5
1.9214844375214E+39
2 √n
8479.3719696685
3 √n
415.82359114511
4 √n
92.083505415837
5 √n
37.268805622005
1 , 9 , 17 , 153 , 571 , 823 , 5139 , 7407 , 9707 , 13991 , 87363 , 125919 , 469933 , 4229397 , 7988861 , 71899749
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
-71899748
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 71899749 can be divided by 16 positive divisors.
The sum of these divisors (counting 71899749) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100010010010001101001100101
3
Ternary
12000021212220200
4
Quaternary
10102101221211
5
Quinary
121401242444
6
Senary
11045021113
8
Octal
422215145
10
Decimal
71899749
12
Duodecimal
200b4799
16
Hexadecimal
4491a65
20
Vigesimal
1297979
36
Base36
16t279
md5
4e8a9fa68e264f73b3c2bf3c0cccb72a
sha1
23deaee60c7db1fddc2a7fb073ea6ded918abe19
sha256
5bcf7aba66fb8613aa578e479351706b16cf23dc7be0270f8364e18dfde17e42
sha512
d1268bd1fff6572c714f500677cb6c74ccc053bf8a6cc1e1e51c5d9b2b203622913074c4758cb7399df9d59e37241066468d098e78817cdd917cd1df11d8acdd
ripemd-160
9c580703c5cfdea70d3034798b0f6aff4d40d25c
Diameter
143799498
Circumference
451759446.5067
Area
1.6240695406105E+16
Volume
1.5569358977126E+24
Surface area
6.4962781624421E+16
Circumference
451759446.5067
Perimeter
287598996
Area
5169573906263001
Diagonal
101681600.16702
Surface area
31017443437578006
Volume
3.7169106629726E+23
Space diagonal
124534018.31945
Perimeter
215699247
Area
2.2384911647825E+15
Altitude
62267009.159725
Surface area
2.2384911647825E+15
Volume
4.3804212247542E+22
Height
33893866.72234