1981305004 is an even 10-digits composite number following 1981305003
and preceding 1981305005 . In scientific notation, it is written as 1.981305004 × 10^9.
The sum of its digits is 31. It has a total of 5 prime factors and 18 positive divisors.
There are 849130632 positive integers (up to 1981305004) that are relatively prime to 1981305004.
1981305004 has 18 divisors, whose sum is 4033371300
The reverse of 1981305004 is 4005031891
Previous prime number is 7
Is Prime? no
Number parity even
Number length 10
Sum of Digits 31
Digital Root 4
Name
one billion nine hundred eighty-one million three hundred five thousand four
Scientific notation
1.981305004 × 10^9
Engineering notation
1.981305004 × 10^9
Prime Factorization
2 × 2 × 7 × 7 × 10108699
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
141521786
Product of the distinct prime numbers
The prime factorization of 1981305004 is 2 × 2 × 7 × 7 × 10108699.
Since it has a total of 5 prime factors.
6 , 3 , 48 , 69 , 800 , 897 , 1562 , 2163 , 82006 , 96487 , 458646 , 505411 , 6873605 , 457624 , 49391355 , 19083175 , 621303025 , 201074081 , 9153923368 , 3562994864
n×2
3962610008
n×3
5943915012
n×4
7925220016
n×5
9906525020
n÷2
990652502
n÷3
660435001.33333
n÷3
495326251
n÷5
396261000.8
n2
3925569518875440016
n3
7.7777505312978E+27
n4
1.5410096047524E+37
n5
3.053210041108E+46
2 √n
44511.852399108
3 √n
1255.9830509769
4 √n
210.97832210706
5 √n
72.341959353352
1 , 2 , 4 , 7 , 14 , 28 , 49 , 98 , 196 , 10108699 , 20217398 , 40434796 , 70760893 , 141521786 , 283043572 , 495326251 , 990652502 , 1981305004
18 divisors
τ
Total Divisors
18
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1981305003
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.055555555555556
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
18
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1981305004 can be divided by 18 positive divisors.
The sum of these divisors (counting 1981305004) is 1, the average is 0.055555555555556.
Base
System
Value
2
Binary
1110110000110000101000010101100
3
Ternary
12010002011201111211
4
Quaternary
1312012011002230
5
Quinary
13024203230004
6
Senary
524334124204
8
Octal
16606050254
10
Decimal
1981305004
12
Duodecimal
473650664
16
Hexadecimal
761850ac
20
Vigesimal
1aj332a4
36
Base36
wrm8q4
md5
67bfb658cfc66fe4d8089b53e6de758f
sha1
c91e468d0644319418932e3f0d31b8fb287c4936
sha256
6d68ebfcf201eebff2fa5476aa157d383e19a1a0c59228da5e506b4b6fcb1cb4
sha512
cdd04d1c88a22550857a9f677e36d5dcdb3374b2107c5d10d365f795ebbc8eccd40db078608a5acb6fd46a583f7a75ca57e86e91f672248715c1035ef46f515a
ripemd-160
35e72bf4c5f4b285729a906198139e33d41fb4eb
Diameter
3962610008
Circumference
12448906490.174
Area
1.2332540361655E+19
Volume
3.2579365240772E+28
Surface area
4.933016144662E+19
Circumference
12448906490.174
Perimeter
7925220016
Area
3925569518875440016
Diagonal
2801988407.8545
Surface area
2.3553417113253E+19
Volume
7.7777505312978E+27
Space diagonal
3431720932.2185
Perimeter
5943915012
Area
1.699821463834E+18
Altitude
1715860466.1092
Surface area
1.699821463834E+18
Volume
9.1661669050966E+26
Height
933996135.95149