1981103421 is an odd 10-digits composite number following 1981103420
and preceding 1981103422 . In scientific notation, it is written as 1.981103421 × 10^9.
The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors.
There are 1187176320 positive integers (up to 1981103421) that are relatively prime to 1981103421.
1981103421 has 8 divisors, whose sum is 2064074040
The reverse of 1981103421 is 1243011891
Previous prime number is 89
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 30
Digital Root 3
Name
one billion nine hundred eighty-one million one hundred three thousand four hundred twenty-one
Scientific notation
1.981103421 × 10^9
Engineering notation
1.981103421 × 10^9
Prime Factorization
33 × 89 × 674533
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1981103421
Product of the distinct prime numbers
The prime factorization of 1981103421 is 33 × 89 × 674533.
Since it has a total of 3 prime factors.
1 , 3 , 12 , 36 , 892 , 281 , 692 , 4302 , 45455 , 7537 , 548679 , 578172 , 8000346 , 524467 , 57036018 , 4717353 , 400743239 , 673433055 , 4044796531 , 488649055
n×2
3962206842
n×3
5943310263
n×4
7924413684
n×5
9905517105
n÷2
990551710.5
n÷3
660367807
n÷3
495275855.25
n÷5
396220684.2
n2
3924770764697903241
n3
7.7753767885838E+27
n4
1.5403825555427E+37
n5
3.0516571504344E+46
2 √n
44509.587967089
3 √n
1255.9404538977
4 √n
210.9729555348
5 √n
72.340487242528
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
-1981103420
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 1981103421 can be divided by 8 positive divisors.
The sum of these divisors (counting 1981103421) is 1, the average is 0.125.
Base
System
Value
2
Binary
1110110000101010011110100111101
3
Ternary
12010001210110222210
4
Quaternary
1312011103310331
5
Quinary
13024130302141
6
Senary
524325531033
8
Octal
16605236475
10
Decimal
1981103421
12
Duodecimal
473573a79
16
Hexadecimal
76153d3d
20
Vigesimal
1aj1hib1
36
Base36
wrhx6l
md5
3ab75f3d4175243b7f0ed75368066e11
sha1
08c990333bace2ccb56c3263382f0daf352c10d2
sha256
131cadec4e03cca4d8663f60715f284014a9f985529664deec3c1d3edd7d9736
sha512
ff39135665b65f44190ddaa39f962100a8a67f341b5dbb03b39febf7dd5d52012a16069f221ca173f34d868965a4529516f84cffaccd40ad22089fd730f992b2
ripemd-160
45d9c9f060decc1e5838163f64ab4f6646e01956
Diameter
3962206842
Circumference
12447639906.83
Area
1.2330031001399E+19
Volume
3.2569422130543E+28
Surface area
4.9320124005596E+19
Circumference
12447639906.83
Perimeter
7924413684
Area
3924770764697903241
Diagonal
2801703326.4419
Surface area
2.3548624588187E+19
Volume
7.7753767885838E+27
Space diagonal
3431371780.2205
Perimeter
5943310263
Area
1.6994755931294E+18
Altitude
1715685890.1103
Surface area
1.6994755931294E+18
Volume
9.1633694224801E+26
Height
933901108.81398