1981016768 is an even 10-digits composite number following 1981016767
and preceding 1981016769 . In scientific notation, it is written as 1.981016768 × 10^9.
The sum of its digits is 47. It has a total of 8 prime factors and 28 positive divisors.
There are 976937472 positive integers (up to 1981016768) that are relatively prime to 1981016768.
1981016768 has 28 divisors, whose sum is 3984939960
The reverse of 1981016768 is 8676101891
Previous prime number is 73
Is Prime? no
Number parity even
Number length 10
Sum of Digits 47
Digital Root 2
Name
one billion nine hundred eighty-one million sixteen thousand seven hundred sixty-eight
Scientific notation
1.981016768 × 10^9
Engineering notation
1.981016768 × 10^9
Prime Factorization
2 × 2 × 2 × 2 × 2 × 2 × 73 × 424019
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
8
Total number of prime factors
rad
Radical
61906774
Product of the distinct prime numbers
The prime factorization of 1981016768 is 2 × 2 × 2 × 2 × 2 × 2 × 73 × 424019.
Since it has a total of 8 prime factors.
10 , 2 , 82 , 5 , 836 , 406 , 6200 , 7149 , 10641 , 35183 , 985908 , 197821 , 2865309 , 8585672 , 74763453 , 18880371 , 994523173 , 416664431 , 3124925450 , 4365278151
n×2
3962033536
n×3
5943050304
n×4
7924067072
n×5
9905083840
n÷2
990508384
n÷3
660338922.66667
n÷3
495254192
n÷5
396203353.6
n2
3924427435097165824
n3
7.7743565537267E+27
n4
1.5401130693343E+37
n5
3.0509898149673E+46
2 √n
44508.614536964
3 √n
1255.9221421169
4 √n
210.97064852003
5 √n
72.339854400259
1 , 2 , 4 , 8 , 16 , 32 , 64 , 73 , 146 , 292 , 584 , 1168 , 2336 , 4672 , 424019 , 848038 , 1696076 , 3392152 , 6784304 , 13568608 , 27137216 , 30953387 , 61906774 , 123813548 , 247627096 , 495254192 , 990508384 , 1981016768
28 divisors
τ
Total Divisors
28
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1981016767
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.035714285714286
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
28
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1981016768 can be divided by 28 positive divisors.
The sum of these divisors (counting 1981016768) is 1, the average is 0.035714285714286.
Base
System
Value
2
Binary
1110110000100111110101011000000
3
Ternary
12010001122002010102
4
Quaternary
1312010332223000
5
Quinary
13024120014033
6
Senary
524324021532
8
Octal
16604765300
10
Decimal
1981016768
12
Duodecimal
4735318a8
16
Hexadecimal
7613eac0
20
Vigesimal
1aj171i8
36
Base36
wrg2bk
md5
e83188e38249656cc9db4f7ae7de0dcb
sha1
2cd365bd725a791ced7c65d1d6e72ac15abf0728
sha256
50e8fe36bb2e80f6b5904e84bcbb87c6e85c49cc597cc670bae7be7bdbd0552b
sha512
549674ad80a62922fa0221e465d146b8b601bbfc7abe02657b09a329e8c2fdd7a4d4c24bca5c3e1b2135ae479c402805e581bae92f023b73a9f583496843c98b
ripemd-160
c5994d262d92fbf96be83586857be6ef1412268a
Diameter
3962033536
Circumference
12447095449.974
Area
1.2328952399647E+19
Volume
3.2565148580767E+28
Surface area
4.931580959859E+19
Circumference
12447095449.974
Perimeter
7924067072
Area
3924427435097165824
Diagonal
2801580780.5941
Surface area
2.3546564610583E+19
Volume
7.7743565537267E+27
Space diagonal
3431221692.8219
Perimeter
5943050304
Area
1.6993269270514E+18
Altitude
1715610846.4109
Surface area
1.6993269270514E+18
Volume
9.1621670641704E+26
Height
933860260.19804