1981016769 is an odd 10-digits composite number following 1981016768
and preceding 1981016770 . In scientific notation, it is written as 1.981016769 × 10^9.
The sum of its digits is 48. It has a total of 2 prime factors and 4 positive divisors.
There are 1320677844 positive integers (up to 1981016769) that are relatively prime to 1981016769.
1981016769 has 4 divisors, whose sum is 2641355696
The reverse of 1981016769 is 9676101891
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 48
Digital Root 3
Name
one billion nine hundred eighty-one million sixteen thousand seven hundred sixty-nine
Scientific notation
1.981016769 × 10^9
Engineering notation
1.981016769 × 10^9
Prime Factorization
3 × 660338923
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
1981016769
Product of the distinct prime numbers
The prime factorization of 1981016769 is 3 × 660338923.
Since it has a total of 2 prime factors.
3 , 2 , 8 , 13 , 666 , 844 , 4671 , 5776 , 79702 , 51900 , 880860 , 897613 , 2967796 , 1714191 , 80848310 , 41054913 , 148049606 , 418401125 , 9800493813 , 201159200
n×2
3962033538
n×3
5943050307
n×4
7924067076
n×5
9905083845
n÷2
990508384.5
n÷3
660338923
n÷3
495254192.25
n÷5
396203353.8
n2
3924427439059199361
n3
7.7743565655E+27
n4
1.5401130724441E+37
n5
3.0509898226678E+46
2 √n
44508.614548197
3 √n
1255.9221423282
4 √n
210.97064854666
5 √n
72.339854407562
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1981016768
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1981016769 can be divided by 4 positive divisors.
The sum of these divisors (counting 1981016769) is 1, the average is 0.25.
Base
System
Value
2
Binary
1110110000100111110101011000001
3
Ternary
12010001122002010110
4
Quaternary
1312010332223001
5
Quinary
13024120014034
6
Senary
524324021533
8
Octal
16604765301
10
Decimal
1981016769
12
Duodecimal
4735318a9
16
Hexadecimal
7613eac1
20
Vigesimal
1aj171i9
36
Base36
wrg2bl
md5
3d3d545fbd34c2113536fcb03617707d
sha1
a92275955b50fa573875c062281de86a4c9f6d77
sha256
06aa8f71b9c183d8a5a6789d1ad1e733ec9f17fa96d55f487d1ae06838d23d23
sha512
95f5a4662797825bccc06b4d2315dad581d26571d972364bea98e81c72f32a400d543990813df8a7f270a9c0d22c528a5e4a85fc2fa71ccc4771033c5ec3a288
ripemd-160
439420b71e844d9b0db4a22cf46fe6393b4233fb
Diameter
3962033538
Circumference
12447095456.257
Area
1.2328952412095E+19
Volume
3.2565148630083E+28
Surface area
4.9315809648378E+19
Circumference
12447095456.257
Perimeter
7924067076
Area
3924427439059199361
Diagonal
2801580782.0083
Surface area
2.3546564634355E+19
Volume
7.7743565655E+27
Space diagonal
3431221694.5539
Perimeter
5943050307
Area
1.699326928767E+18
Altitude
1715610847.277
Surface area
1.699326928767E+18
Volume
9.1621670780453E+26
Height
933860260.66944