1949495891 is an odd 10-digits composite number following 1949495890
and preceding 1949495892 . In scientific notation, it is written as 1.949495891 × 10^9.
The sum of its digits is 59. It has a total of 3 prime factors and 8 positive divisors.
There are 1669537800 positive integers (up to 1949495891) that are relatively prime to 1949495891.
1949495891 has 8 divisors, whose sum is 2229940224
The reverse of 1949495891 is 1985949491
Previous prime number is 1151
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 59
Digital Root 5
Name
one billion nine hundred forty-nine million four hundred ninety-five thousand eight hundred ninety-one
Scientific notation
1.949495891 × 10^9
Engineering notation
1.949495891 × 10^9
Prime Factorization
7 × 1151 × 241963
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1949495891
Product of the distinct prime numbers
The prime factorization of 1949495891 is 7 × 1151 × 241963.
Since it has a total of 3 prime factors.
10 , 8 , 24 , 89 , 255 , 843 , 8945 , 3059 , 37894 , 22157 , 528538 , 78224 , 7245013 , 4618935 , 96947043 , 4408690 , 557287506 , 811600378 , 3711142879 , 8157684812
n×2
3898991782
n×3
5848487673
n×4
7797983564
n×5
9747479455
n÷2
974747945.5
n÷3
649831963.66667
n÷3
487373972.75
n÷5
389899178.2
n2
3800534229025883881
n3
7.4091258630908E+27
n4
1.4444060425997E+37
n5
2.8158636449838E+46
2 √n
44153.096052259
3 √n
1249.2253100636
4 √n
210.12638114301
5 √n
72.108168487257
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
-1949495890
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 1949495891 can be divided by 8 positive divisors.
The sum of these divisors (counting 1949495891) is 1, the average is 0.125.
Base
System
Value
2
Binary
1110100001100101111001001010011
3
Ternary
12000212022122121112
4
Quaternary
1310030233021103
5
Quinary
12443032332031
6
Senary
521240243535
8
Octal
16414571123
10
Decimal
1949495891
12
Duodecimal
464a705ab
16
Hexadecimal
7432f253
20
Vigesimal
1a946jeb
36
Base36
w8ognn
md5
cb7c5c7ce83377f971c88b37fa890ed3
sha1
e4f80d42da82d242f40afec77cc8ac8b688907cc
sha256
3fd2d6f3b88db4dcebb867c1141a964fb58906cf4dcecc5655dbf2d5aa7dd895
sha512
369ffd852ffe914277dbc2d467993c838a32b25887bbb342ae98a92f163835fb4f16a13eb8994ffbe9d2d47009957e85019a841dbb2602f4ab4d869490294512
ripemd-160
4416e59d911d1bd4e0700d007df2731df401dbf6
Diameter
3898991782
Circumference
12249043938.738
Area
1.1939730413624E+19
Volume
3.1035273841344E+28
Surface area
4.7758921654497E+19
Circumference
12249043938.738
Perimeter
7797983564
Area
3800534229025883881
Diagonal
2757003528.8428
Surface area
2.2803205374155E+19
Volume
7.4091258630908E+27
Space diagonal
3376625932.3588
Perimeter
5848487673
Area
1.6456795951444E+18
Altitude
1688312966.1794
Surface area
1.6456795951444E+18
Volume
8.7317385674269E+26
Height
919001176.28094