1985133087 is an odd 10-digits composite number following 1985133086
and preceding 1985133088 . In scientific notation, it is written as 1.985133087 × 10^9.
The sum of its digits is 45. It has a total of 3 prime factors and 8 positive divisors.
There are 1126195920 positive integers (up to 1985133087) that are relatively prime to 1985133087.
1985133087 has 8 divisors, whose sum is 2031160320
The reverse of 1985133087 is 7803315891
Previous prime number is 139
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 45
Digital Root 9
Name
one billion nine hundred eighty-five million one hundred thirty-three thousand eighty-seven
Scientific notation
1.985133087 × 10^9
Engineering notation
1.985133087 × 10^9
Prime Factorization
63 × 139 × 226691
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1985133087
Product of the distinct prime numbers
The prime factorization of 1985133087 is 63 × 139 × 226691.
Since it has a total of 3 prime factors.
5 , 6 , 73 , 56 , 213 , 435 , 8503 , 4179 , 9562 , 15530 , 779184 , 98823 , 8176040 , 1763931 , 12966736 , 48530245 , 542802614 , 217531291 , 6430216099 , 8559167823
n×2
3970266174
n×3
5955399261
n×4
7940532348
n×5
9925665435
n÷2
992566543.5
n÷3
661711029
n÷3
496283271.75
n÷5
397026617.4
n2
3940753373102149569
n3
7.8229199086519E+27
n4
1.5529537147616E+37
n5
3.0828198017528E+46
2 √n
44554.832364178
3 √n
1256.7914262911
4 √n
211.08015625392
5 √n
72.369892180294
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1985133086
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1985133087 can be divided by 8 positive divisors.
The sum of these divisors (counting 1985133087) is 1, the average is 0.125.
Base
System
Value
2
Binary
1110110010100101011101000011111
3
Ternary
12010100101012122200
4
Quaternary
1312110223220133
5
Quinary
13031143224322
6
Senary
524552142543
8
Octal
16624535037
10
Decimal
1985133087
12
Duodecimal
474997a53
16
Hexadecimal
7652ba1f
20
Vigesimal
1b071ce7
36
Base36
wtwahr
md5
3059066b4ab6577e0f7c085e3eacec46
sha1
77bc62bd960c3028c95b3d202006e9493bdb4427
sha256
71250ee13012fe857db91953e876ab6492c37d36b3f273c57d40830f77ae5bfb
sha512
dc38f5dd7500b18ac029f19911698743a062e1dc113690d6ab1ecc6c3597acb5b285faeac79fb1204df8d32505888fa2f3eb8f37fd23e3e9aef62a125789e1d1
ripemd-160
33e619b1ebff33177f52e0c80aebbb1d5f49f360
Diameter
3970266174
Circumference
12472959045.034
Area
1.2380241846547E+19
Volume
3.276857028619E+28
Surface area
4.9520967386188E+19
Circumference
12472959045.034
Perimeter
7940532348
Area
3940753373102149569
Diagonal
2807402134.751
Surface area
2.3644520238613E+19
Volume
7.8229199086519E+27
Space diagonal
3438351366.47
Perimeter
5955399261
Area
1.7063962655778E+18
Altitude
1719175683.235
Surface area
1.7063962655778E+18
Volume
9.2193995268117E+26
Height
935800711.58366