1985087129 is an odd 10-digits prime number following 1985087128
and preceding 1985087130 . In scientific notation, it is written as 1.985087129 × 10^9.
The sum of its digits is 50. It has a total of 1 prime factors and 2 positive divisors.
There are 1985087128 positive integers (up to 1985087129) that are relatively prime to 1985087129.
1985087129 has 2 divisors, whose sum is 1985087130
The reverse of 1985087129 is 9217805891
Previous prime number is 1
Is Prime? yes Number parity odd Number length 10 Sum of Digits 50 Digital Root 5
Name
one billion nine hundred eighty-five million eighty-seven thousand one hundred twenty-nine
Scientific notation
1.985087129 × 10^9
Engineering notation
1.985087129 × 10^9
Prime Factorization
1985087129
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
1985087129 Product of the distinct prime numbers
The prime factorization of 1985087129 is 1985087129.
Since it has a total of 1 prime factors.
9 , 1 , 72 , 64 , 678 , 321 , 7046 , 1396 , 55149 , 93176 , 476403 , 223 , 4195165 , 6240500 , 11162266 , 73998651 , 220610571 , 173223189 , 931059402 , 7954254644
n×2
3970174258
n×3
5955261387
n×4
7940348516
n×5
9925435645
n÷2
992543564.5
n÷3
661695709.66667
n÷3
496271782.25
n÷5
397017425.8
n2
3940570909721462641
n3
7.8223765937999E+27
n4
1.5528099094543E+37
n5
3.0824629650414E+46
2 √n44554.316614667
3 √n1256.781727518
4 √n211.07893455925
5 √n72.369557088775
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
1985087130 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
992543565 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
44554.316625889 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999999989925 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1985087129 can be divided by 2 positive divisors.
The sum of these divisors (counting 1985087129) is 1985087130, the average is 992543565.
Base
System
Value
2
Binary
1110110010100100000011010011001
3
Ternary
12010100021212121112
4
Quaternary
1312110200122121
5
Quinary
13031140242004
6
Senary
524551150105
8
Octal
16624403231
10
Decimal
1985087129
12
Duodecimal
474975335
16
Hexadecimal
76520699
20
Vigesimal
1b06fhg9
36
Base36
wtvb15
md5
1a41bc849ac4a84e14042336bd305d46
sha1
3f4f7749cab83dfd2c7c3b93a7f810bdf6ad9d74
sha256
9971f10f979ab0542729819395c2f358502ca9685067d63d96710273379fc7d2
sha512
d21405b4d9c0a8ace5e2808a05b722b7cef27e70d1b75165af5e368e8e60bcf09fbe7a315121933b875bd5632cfe4934ed198cb4f992e9be0ae151c875606d6b
ripemd-160
1a6cb80b0627b257b5eeae46c877fe2ab043ff9b
Diameter
3970174258
Circumference
12472670282.404
Area
1.2379668620931E+19
Volume
3.2766294454259E+28
Surface area
4.9518674483722E+19
Circumference
12472670282.404
Perimeter
7940348516
Area
3940570909721462641
Diagonal
2807337140.3241
Surface area
2.3643425458329E+19
Volume
7.8223765937999E+27
Space diagonal
3438271764.879
Perimeter
5955261387
Area
1.7063172566164E+18
Altitude
1719135882.4395
Surface area
1.7063172566164E+18
Volume
9.2187592241181E+26
Height
935779046.77469