2015087981 is an odd 10-digits composite number following 2015087980
and preceding 2015087982 . In scientific notation, it is written as 2.015087981 × 10^9.
The sum of its digits is 41. It has a total of 4 prime factors and 16 positive divisors.
There are 1969094400 positive integers (up to 2015087981) that are relatively prime to 2015087981.
2015087981 has 16 divisors, whose sum is 2061816768
The reverse of 2015087981 is 1897805102
Previous prime number is 131
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 41
Digital Root 5
Name
two billion fifteen million eighty-seven thousand nine hundred eighty-one
Scientific notation
2.015087981 × 10^9
Engineering notation
2.015087981 × 10^9
Prime Factorization
197 × 113 × 131 × 691
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
2015087981
Product of the distinct prime numbers
The prime factorization of 2015087981 is 197 × 113 × 131 × 691.
Since it has a total of 4 prime factors.
9 , 5 , 76 , 24 , 770 , 802 , 4417 , 1271 , 83231 , 77661 , 577633 , 931294 , 6551062 , 4703324 , 79214265 , 83399360 , 573867034 , 465292880 , 3872064659 , 5177018257
n×2
4030175962
n×3
6045263943
n×4
8060351924
n×5
10075439905
n÷2
1007543990.5
n÷3
671695993.66667
n÷3
503771995.25
n÷5
403017596.2
n2
4060579571170656361
n3
8.1824250897601E+27
n4
1.6488306453808E+37
n5
3.3225388162114E+46
2 √n
44889.731353618
3 √n
1263.0813934444
4 √n
211.8719692494
5 √n
72.586992483451
1 , 113 , 131 , 197 , 691 , 14803 , 22261 , 25807 , 78083 , 90521 , 136127 , 2916191 , 10228873 , 15382351 , 17832637 , 2015087981
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-2015087980
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 2015087981 can be divided by 16 positive divisors.
The sum of these divisors (counting 2015087981) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1111000000110111100110101101101
3
Ternary
12012102202002001012
4
Quaternary
1320012330311231
5
Quinary
13111330303411
6
Senary
531542155005
8
Octal
17006746555
10
Decimal
2015087981
12
Duodecimal
482a22a65
16
Hexadecimal
781bcd6d
20
Vigesimal
1b9e5jj1
36
Base36
xbqbu5
md5
add8eef0b2345b901ee873ce92c95210
sha1
65bff73c1e685cc9b86e6bea1c8f05a6ee228df8
sha256
32ef445297f9422563df3a84de1f1bacb2a5892c7bbcba5f28e4abdcbff491ad
sha512
9988078d7d70269c6bffc8d21caf468ed584f2a4f71cad98ab6b8d8df83eef1fa5f8f8c86a1970ee55107ad2a8e86e53e9a0dcf579c63764979954329c997622
ripemd-160
98576815f0f7a6f417153ea2ab910f137bb6343c
Diameter
4030175962
Circumference
12661171194.893
Area
1.2756686950107E+19
Volume
3.4274462067386E+28
Surface area
5.1026747800426E+19
Circumference
12661171194.893
Perimeter
8060351924
Area
4060579571170656361
Diagonal
2849764752.1052
Surface area
2.4363477427024E+19
Volume
8.1824250897601E+27
Space diagonal
3490234764.8134
Perimeter
6045263943
Area
1.758282531361E+18
Altitude
1745117382.4067
Surface area
1.758282531361E+18
Volume
9.6430804458672E+26
Height
949921584.03507