1987497466 is an even 10-digits composite number following 1987497465
and preceding 1987497467 . In scientific notation, it is written as 1.987497466 × 10^9.
The sum of its digits is 61. It has a total of 2 prime factors and 4 positive divisors.
There are 993748732 positive integers (up to 1987497466) that are relatively prime to 1987497466.
1987497466 has 4 divisors, whose sum is 2981246202
The reverse of 1987497466 is 6647947891
Previous prime number is 2
Is Prime? no Number parity even Number length 10 Sum of Digits 61 Digital Root 7
Name
one billion nine hundred eighty-seven million four hundred ninety-seven thousand four hundred sixty-six
Scientific notation
1.987497466 × 10^9
Engineering notation
1.987497466 × 10^9
Prime Factorization
2 × 993748733
Composite number
ω Distinct Factors
2 Total number of distinct prime factors
Ω Total Factors
2 Total number of prime factors
rad Radical
1987497466 Product of the distinct prime numbers
The prime factorization of 1987497466 is 2 × 993748733.
Since it has a total of 2 prime factors.
6 , 3 , 49 , 10 , 989 , 926 , 7703 , 929 , 95489 , 93222 , 146557 , 217974 , 3338352 , 6509785 , 19770607 , 91614581 , 204943500 , 741708895 , 9100577009 , 1708652794
n×2
3974994932
n×3
5962492398
n×4
7949989864
n×5
9937487330
n÷2
993748733
n÷3
662499155.33333
n÷3
496874366.5
n÷5
397499493.2
n2
3950146177356421156
n3
7.8509055178255E+27
n4
1.5603654822484E+37
n5
3.1012224420025E+46
2 √n44581.357830376
3 √n1257.2901925643
4 √n211.14297959055
5 √n72.387123104805
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
-1987497465 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 1987497466 can be divided by 4 positive divisors.
The sum of these divisors (counting 1987497466) is 1, the average is 0.25.
Base
System
Value
2
Binary
1110110011101101100110111111010
3
Ternary
12010111211022222021
4
Quaternary
1312131230313322
5
Quinary
13032244404331
6
Senary
525114545054
8
Octal
16635546772
10
Decimal
1987497466
12
Duodecimal
47573818a
16
Hexadecimal
7676cdfa
20
Vigesimal
1b11h3d6
36
Base36
wvayuy
md5
d93f7d47400f55b43bce104e160f8776
sha1
2417b15203caa7805a8e2bd16563b5f09167d3fa
sha256
6a374af62c3968d995d3d8aec2ae466e1c49622965e53f629e8c2163f78a2a77
sha512
30d3b9f5d70f91f92d00c625dcdf0deb6488e7e31d6da37863b22caffc1379d4174e6cca775781c89a567cb0ea14e2d13597e8f0d8ecd267a0c540df01da163b
ripemd-160
23447492a0377d96c3201cea7d0282f0795b80f1
Diameter
3974994932
Circumference
12487814876.428
Area
1.2409750211389E+19
Volume
3.2885796131771E+28
Surface area
4.9639000845555E+19
Circumference
12487814876.428
Perimeter
7949989864
Area
3950146177356421156
Diagonal
2810745871.5994
Surface area
2.3700877064139E+19
Volume
7.8509055178255E+27
Space diagonal
3442446591.0264
Perimeter
5962492398
Area
1.7104634691263E+18
Altitude
1721223295.5132
Surface area
1.7104634691263E+18
Volume
9.2523808835155E+26
Height
936915290.53312