1981900513 is an odd 10-digits composite number following 1981900512
and preceding 1981900514 . In scientific notation, it is written as 1.981900513 × 10^9.
The sum of its digits is 37. It has a total of 3 prime factors and 8 positive divisors.
There are 1912958208 positive integers (up to 1981900513) that are relatively prime to 1981900513.
1981900513 has 8 divisors, whose sum is 2050885800
The reverse of 1981900513 is 3150091891
Previous prime number is 3889
Is Prime? no Number parity odd Number length 10 Sum of Digits 37 Digital Root 1
Name
one billion nine hundred eighty-one million nine hundred thousand five hundred thirteen
Scientific notation
1.981900513 × 10^9
Engineering notation
1.981900513 × 10^9
Prime Factorization
29 × 3889 × 17573
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
3 Total number of prime factors
rad Radical
1981900513 Product of the distinct prime numbers
The prime factorization of 1981900513 is 29 × 3889 × 17573.
Since it has a total of 3 prime factors.
8 , 1 , 86 , 78 , 239 , 96 , 3531 , 9429 , 12821 , 79672 , 94481 , 93595 , 9231937 , 4371094 , 7999217 , 24878037 , 294820584 , 174075418 , 5036725547 , 5723567467
n×2
3963801026
n×3
5945701539
n×4
7927602052
n×5
9909502565
n÷2
990950256.5
n÷3
660633504.33333
n÷3
495475128.25
n÷5
396380102.6
n2
3927929643429663169
n3
7.7847657753412E+27
n4
1.5428631283733E+37
n5
3.0578012256119E+46
2 √n44518.541227224
3 √n1256.1088728108
4 √n210.99417344378
5 √n72.34630750867
8 divisors
τ Total Divisors
8 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-1981900512 Sum of the proper positive divisors of n
A Arithmetic Mean
0.125 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
8 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1981900513 can be divided by 8 positive divisors.
The sum of these divisors (counting 1981900513) is 1, the average is 0.125.
Base
System
Value
2
Binary
1110110001000010110011011100001
3
Ternary
12010010021222101201
4
Quaternary
1312020112123201
5
Quinary
13024331304023
6
Senary
524355001201
8
Octal
16610263341
10
Decimal
1981900513
12
Duodecimal
473899201
16
Hexadecimal
762166e1
20
Vigesimal
1aj6hb5d
36
Base36
wrz081
md5
96e90ab041b66f7d78863631b0132b28
sha1
89d3132aa2647f29616f857a343f27970340b1a9
sha256
277cd68056c2a7b9e127be2d370521701da593dcdaab668a21daca48eda8c65d
sha512
47199824882b2663220180384882c5acb63529c3cddaa8e3da430aa6105149740c70706a047821dd5db2ca10ed2861b409f83fb4119d97809516d615033fc586
ripemd-160
5468c200d0a807398026b937d346edf7c97914dd
Diameter
3963801026
Circumference
12452648183.573
Area
1.2339954911616E+19
Volume
3.2608750626305E+28
Surface area
4.9359819646465E+19
Circumference
12452648183.573
Perimeter
7927602052
Area
3927929643429663169
Diagonal
2802830584.7588
Surface area
2.3567577860578E+19
Volume
7.7847657753412E+27
Space diagonal
3432752384.0628
Perimeter
5945701539
Area
1.700843427744E+18
Altitude
1716376192.0314
Surface area
1.700843427744E+18
Volume
9.1744344494878E+26
Height
934276861.58626