1981495265 is an odd 10-digits composite number following 1981495264
and preceding 1981495266 . In scientific notation, it is written as 1.981495265 × 10^9.
The sum of its digits is 50. It has a total of 5 prime factors and 24 positive divisors.
There are 1477068800 positive integers (up to 1981495265) that are relatively prime to 1981495265.
1981495265 has 24 divisors, whose sum is 2551088952
The reverse of 1981495265 is 5625941891
Previous prime number is 101
Is Prime? no Number parity odd Number length 10 Sum of Digits 50 Digital Root 5
Name
one billion nine hundred eighty-one million four hundred ninety-five thousand two hundred sixty-five
Scientific notation
1.981495265 × 10^9
Engineering notation
1.981495265 × 10^9
Prime Factorization
5 × 17 × 17 × 101 × 13577
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
5 Total number of prime factors
rad Radical
116558545 Product of the distinct prime numbers
The prime factorization of 1981495265 is 5 × 17 × 17 × 101 × 13577.
Since it has a total of 5 prime factors.
6 , 10 , 74 , 25 , 683 , 756 , 8810 , 9862 , 37264 , 74710 , 979763 , 211131 , 7329487 , 1294617 , 61053462 , 6076073 , 299343560 , 948644730 , 4027793986 , 6568221513
n×2
3962990530
n×3
5944485795
n×4
7925981060
n×5
9907476325
n÷2
990747632.5
n÷3
660498421.66667
n÷3
495373816.25
n÷5
396299053
n2
3926323485217420225
n3
7.7799913948166E+27
n4
1.541601611057E+37
n5
3.0546762928258E+46
2 √n44513.989542615
3 √n1256.0232529216
4 √n210.98338688772
5 √n72.343348672497
1 , 5 , 17 , 85 , 101 , 289 , 505 , 1445 , 1717 , 8585 , 13577 , 29189 , 67885 , 145945 , 230809 , 1154045 , 1371277 , 3923753 , 6856385 , 19618765 , 23311709 , 116558545 , 396299053 , 1981495265
24 divisors
τ Total Divisors
24 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-1981495264 Sum of the proper positive divisors of n
A Arithmetic Mean
0.041666666666667 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
24 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1981495265 can be divided by 24 positive divisors.
The sum of these divisors (counting 1981495265) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1110110000110110011011111100001
3
Ternary
12010002112101111112
4
Quaternary
1312012303133201
5
Quinary
13024230322030
6
Senary
524342153105
8
Octal
16606633741
10
Decimal
1981495265
12
Duodecimal
473722795
16
Hexadecimal
761b37e1
20
Vigesimal
1aj46i35
36
Base36
wrqbj5
md5
c3141f55de1f90f6cec2ab81a2b3309d
sha1
3a82ec615060123a9a45556af3e1fcb92e3cdd78
sha256
8604774c556b9f3556ff26c9d6049fadfb0a1632d6616bfb30c4dd814c6c6c54
sha512
3c35a12686afd3323daafc1cd03ca9c218cf75890c614e1ca5c974fd7f713b1640f066f7606f9e860e0cb3b0d663266840de08a5bbf2b575cc4d93e8dbf25f20
ripemd-160
879773c4cb8c5ee66faf4128cd30b41ed2b00d1a
Diameter
3962990530
Circumference
12450101935.294
Area
1.2334909016776E+19
Volume
3.258875174793E+28
Surface area
4.9339636067104E+19
Circumference
12450101935.294
Perimeter
7925981060
Area
3926323485217420225
Diagonal
2802257477.5411
Surface area
2.3557940911305E+19
Volume
7.7799913948166E+27
Space diagonal
3432050473.9372
Perimeter
5944485795
Area
1.7001479408369E+18
Altitude
1716025236.9686
Surface area
1.7001479408369E+18
Volume
9.1688077880797E+26
Height
934085825.84702