1981900511 is an odd 10-digits composite number following 1981900510
and preceding 1981900512 . In scientific notation, it is written as 1.981900511 × 10^9.
The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors.
There are 1865318112 positive integers (up to 1981900511) that are relatively prime to 1981900511.
1981900511 has 4 divisors, whose sum is 2098482912
The reverse of 1981900511 is 1150091891
Previous prime number is 17
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 35
Digital Root 8
Name
one billion nine hundred eighty-one million nine hundred thousand five hundred eleven
Scientific notation
1.981900511 × 10^9
Engineering notation
1.981900511 × 10^9
Prime Factorization
17 × 116582383
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
1981900511
Product of the distinct prime numbers
The prime factorization of 1981900511 is 17 × 116582383.
Since it has a total of 2 prime factors.
2 , 10 , 47 , 25 , 606 , 566 , 5750 , 6653 , 94794 , 6580 , 720044 , 622585 , 5868205 , 1397259 , 36967052 , 95577794 , 727841952 , 581711784 , 6414999005 , 6480775004
n×2
3963801022
n×3
5945701533
n×4
7927602044
n×5
9909502555
n÷2
990950255.5
n÷3
660633503.66667
n÷3
495475127.75
n÷5
396380102.2
n2
3927929635502061121
n3
7.7847657517736E+27
n4
1.5428631221455E+37
n5
3.0578012101833E+46
2 √n
44518.541204761
3 √n
1256.1088723883
4 √n
210.99417339055
5 √n
72.346307494069
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
-1981900510
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 1981900511 can be divided by 4 positive divisors.
The sum of these divisors (counting 1981900511) is 1, the average is 0.25.
Base
System
Value
2
Binary
1110110001000010110011011011111
3
Ternary
12010010021222101122
4
Quaternary
1312020112123133
5
Quinary
13024331304021
6
Senary
524355001155
8
Octal
16610263337
10
Decimal
1981900511
12
Duodecimal
4738991bb
16
Hexadecimal
762166df
20
Vigesimal
1aj6hb5b
36
Base36
wrz07z
md5
86fdf104dcc327e990b286dfb870d812
sha1
248acd8d91cdbefe10f129c75b99b07b619be41d
sha256
b05cd483ff4b04449083c6e5fa1328abf8e46ca6e3c6a172efe93217318633cf
sha512
c7ee4f8b68e9547d38bf5c329b0bc3356383ac3aeba876246041a49d33b0a3aeac0752fdb045351a669a0ae0fc22994e240e193386138c5f5277473771993eb4
ripemd-160
ba3f7f1cd5b3bbfa51a7640f0ee984047ceb75f8
Diameter
3963801022
Circumference
12452648171.007
Area
1.2339954886711E+19
Volume
3.2608750527586E+28
Surface area
4.9359819546844E+19
Circumference
12452648171.007
Perimeter
7927602044
Area
3927929635502061121
Diagonal
2802830581.9304
Surface area
2.3567577813012E+19
Volume
7.7847657517736E+27
Space diagonal
3432752380.5987
Perimeter
5945701533
Area
1.7008434243113E+18
Altitude
1716376190.2994
Surface area
1.7008434243113E+18
Volume
9.1744344217131E+26
Height
934276860.64346