1900489991 is an odd 10-digits composite number following 1900489990
and preceding 1900489992 . In scientific notation, it is written as 1.900489991 × 10^9.
The sum of its digits is 50. It has a total of 2 prime factors and 4 positive divisors.
There are 1800464184 positive integers (up to 1900489991) that are relatively prime to 1900489991.
1900489991 has 4 divisors, whose sum is 2000515800
The reverse of 1900489991 is 1999840091
Previous prime number is 19
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 50
Digital Root 5
Name
one billion nine hundred million four hundred eighty-nine thousand nine hundred ninety-one
Scientific notation
1.900489991 × 10^9
Engineering notation
1.900489991 × 10^9
Prime Factorization
19 × 100025789
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
1900489991
Product of the distinct prime numbers
The prime factorization of 1900489991 is 19 × 100025789.
Since it has a total of 2 prime factors.
3 , 8 , 53 , 83 , 877 , 76 , 3584 , 638 , 20292 , 28938 , 972708 , 4684 , 4358422 , 907769 , 2014164 , 65006516 , 916311468 , 873252427 , 85390216 , 3619196495
n×2
3800979982
n×3
5701469973
n×4
7601959964
n×5
9502449955
n÷2
950244995.5
n÷3
633496663.66667
n÷3
475122497.75
n÷5
380097998.2
n2
3611862205891180081
n3
6.8643079711674E+27
n4
1.3045548594345E+37
n5
2.4792934530657E+46
2 √n
43594.609655323
3 √n
1238.6687914253
4 √n
208.7932222447
5 √n
71.741940153471
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
-1900489990
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 1900489991 can be divided by 4 positive divisors.
The sum of these divisors (counting 1900489991) is 1, the average is 0.25.
Base
System
Value
2
Binary
1110001010001110010110100000111
3
Ternary
11220110002220011012
4
Quaternary
1301101302310013
5
Quinary
12343011134431
6
Senary
512330032435
8
Octal
16121626407
10
Decimal
1900489991
12
Duodecimal
45057871b
16
Hexadecimal
71472d07
20
Vigesimal
19di14jb
36
Base36
vfi3gn
md5
99c4dade351f15d2e32c149fc9bf9204
sha1
0c8dbef006889be2cb9506f3bf146015ad871291
sha256
ee2bb4d41fd095ad7e9e89125c1065add1fe38159515906da1893ab9c64834a6
sha512
d94c0645531a688b3661add5f8029dc46da1faa9ba22781f92936eac54abd43b377e30f1feae1cbc0b341891ca65347a68c6e72ca25692a243b29482191b0c5b
ripemd-160
82f705b2961107c472edb481d67ce45958f5b138
Diameter
3800979982
Circumference
11941130787.893
Area
1.1346999771806E+19
Volume
2.8753145992263E+28
Surface area
4.5387999087225E+19
Circumference
11941130787.893
Perimeter
7601959964
Area
3611862205891180081
Diagonal
2687698720.4265
Surface area
2.1671173235347E+19
Volume
6.8643079711674E+27
Space diagonal
3291745223.6881
Perimeter
5701469973
Area
1.5639822126353E+18
Altitude
1645872611.8441
Surface area
1.5639822126353E+18
Volume
8.0896645242755E+26
Height
895899573.47551