1981217967 is an odd 10-digits composite number following 1981217966
and preceding 1981217968 . In scientific notation, it is written as 1.981217967 × 10^9.
The sum of its digits is 51. It has a total of 4 prime factors and 16 positive divisors.
There are 1274623200 positive integers (up to 1981217967) that are relatively prime to 1981217967.
1981217967 has 16 divisors, whose sum is 2734479360
The reverse of 1981217967 is 7697121891
Previous prime number is 59341
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 51
Digital Root 6
Name
one billion nine hundred eighty-one million two hundred seventeen thousand nine hundred sixty-seven
Scientific notation
1.981217967 × 10^9
Engineering notation
1.981217967 × 10^9
Prime Factorization
3 × 31 × 59341 × 359
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
1981217967
Product of the distinct prime numbers
The prime factorization of 1981217967 is 3 × 31 × 59341 × 359.
Since it has a total of 4 prime factors.
6 , 3 , 7 , 20 , 369 , 565 , 7797 , 6945 , 80125 , 46199 , 219461 , 768823 , 5355838 , 9529320 , 2719673 , 57174770 , 247896675 , 938994903 , 1343130670 , 5199848415
n×2
3962435934
n×3
5943653901
n×4
7924871868
n×5
9906089835
n÷2
990608983.5
n÷3
660405989
n÷3
495304491.75
n÷5
396243593.4
n2
3925224632763613089
n3
7.7767255669422E+27
n4
1.5407388417654E+37
n5
3.0525394757604E+46
2 √n
44510.874704953
3 √n
1255.9646592944
4 √n
210.97600504549
5 √n
72.341323758353
1 , 3 , 31 , 93 , 359 , 1077 , 11129 , 33387 , 59341 , 178023 , 1839571 , 5518713 , 21303419 , 63910257 , 660405989 , 1981217967
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
-1981217966
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 1981217967 can be divided by 16 positive divisors.
The sum of these divisors (counting 1981217967) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1110110000101101111110010101111
3
Ternary
12010002000022010020
4
Quaternary
1312011233302233
5
Quinary
13024142433332
6
Senary
524332213223
8
Octal
16605576257
10
Decimal
1981217967
12
Duodecimal
47360a213
16
Hexadecimal
7616fcaf
20
Vigesimal
1aj2c4i7
36
Base36
wrkdkf
md5
2a7359e0bc6a71536b4a39a052b53d92
sha1
9b4d4b331ca0528c3909856198f8fba19d78170c
sha256
e682febd7d59b60c1dd60bc9cbf9b8881143fceeefc18b835f3fddc6bddef72e
sha512
a6bb07b0fdbf6b2085ef47bce8217ade438a39444fbb9d600c8dc7d71e66115b60f59b16ef0729b1f33bbec4c61716ae3c1e0af21771c727a4987943cafcf976
ripemd-160
8511603ff6326a68b9d131beff4705c029c717d6
Diameter
3962435934
Circumference
12448359620.575
Area
1.233145686998E+19
Volume
3.257507188012E+28
Surface area
4.9325827479919E+19
Circumference
12448359620.575
Perimeter
7924871868
Area
3925224632763613089
Diagonal
2801865318.9487
Surface area
2.3551347796582E+19
Volume
7.7767255669422E+27
Space diagonal
3431570179.7123
Perimeter
5943653901
Area
1.6996721237669E+18
Altitude
1715785089.8562
Surface area
1.6996721237669E+18
Volume
9.1649589730194E+26
Height
933955106.31622