1900139987 is an odd 10-digits composite number following 1900139986
and preceding 1900139988 . In scientific notation, it is written as 1.900139987 × 10^9.
The sum of its digits is 47. It has a total of 2 prime factors and 4 positive divisors.
There are 1898780376 positive integers (up to 1900139987) that are relatively prime to 1900139987.
1900139987 has 4 divisors, whose sum is 1901499600
The reverse of 1900139987 is 7899310091
Previous prime number is 1399
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 47
Digital Root 2
Name
one billion nine hundred million one hundred thirty-nine thousand nine hundred eighty-seven
Scientific notation
1.900139987 × 10^9
Engineering notation
1.900139987 × 10^9
Prime Factorization
1399 × 1358213
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
1900139987
Product of the distinct prime numbers
The prime factorization of 1900139987 is 1399 × 1358213.
Since it has a total of 2 prime factors.
10 , 10 , 67 , 93 , 200 , 650 , 1394 , 9969 , 6822 , 2849 , 751791 , 709576 , 8963798 , 1626016 , 64290414 , 85333107 , 871354549 , 479485311 , 150869162 , 5656171211
n×2
3800279974
n×3
5700419961
n×4
7600559948
n×5
9500699935
n÷2
950069993.5
n÷3
633379995.66667
n÷3
475034996.75
n÷5
380027997.4
n2
3610531970196360169
n3
6.860516170912E+27
n4
1.303594110781E+37
n5
2.4770112967127E+46
2 √n
43590.595166848
3 √n
1238.5927468875
4 √n
208.78360847262
5 √n
71.739297485939
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
-1900139986
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 1900139987 can be divided by 4 positive divisors.
The sum of these divisors (counting 1900139987) is 1, the average is 0.25.
Base
System
Value
2
Binary
1110001010000011101010111010011
3
Ternary
11220102110010001002
4
Quaternary
1301100131113103
5
Quinary
12342413434422
6
Senary
512314332215
8
Octal
16120352723
10
Decimal
1900139987
12
Duodecimal
45042a06b
16
Hexadecimal
7141d5d3
20
Vigesimal
19dfh9j7
36
Base36
vfaleb
md5
e7cdacc49c290bba5a42274fb257093e
sha1
23e1c173ebe2391edf90e0afed960625ebb916d6
sha256
3ddbbb910ab6eab822a923048dfa3628dccbe9e07c896b9c9adb47bd47e4d447
sha512
5426006d01d1aa84e6a4650cc2bfbd2f01d2c736cf58c5b0944476befdb77e39cd22a7ab018dcd22161c04b6b6ebb13c341e11b0600d7d2cbc0093b7a0e63b0c
ripemd-160
ad0a8705c3bb475fe00254d072d96bf8fcb0029a
Diameter
3800279974
Circumference
11938931647.903
Area
1.134282071312E+19
Volume
2.8737262936495E+28
Surface area
4.537128285248E+19
Circumference
11938931647.903
Perimeter
7600559948
Area
3610531970196360169
Diagonal
2687203740.0228
Surface area
2.1663191821178E+19
Volume
6.860516170912E+27
Space diagonal
3291138998.9773
Perimeter
5700419961
Area
1.563406203683E+18
Altitude
1645569499.4886
Surface area
1.563406203683E+18
Volume
8.0851958448197E+26
Height
895734580.00761