1991457041 is an odd 10-digits composite number following 1991457040
and preceding 1991457042 . In scientific notation, it is written as 1.991457041 × 10^9.
The sum of its digits is 41. It has a total of 3 prime factors and 8 positive divisors.
There are 1706712048 positive integers (up to 1991457041) that are relatively prime to 1991457041.
1991457041 has 8 divisors, whose sum is 2276285760
The reverse of 1991457041 is 1407541991
Previous prime number is 8539
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 41
Digital Root 5
Name
one billion nine hundred ninety-one million four hundred fifty-seven thousand forty-one
Scientific notation
1.991457041 × 10^9
Engineering notation
1.991457041 × 10^9
Prime Factorization
7 × 8539 × 33317
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1991457041
Product of the distinct prime numbers
The prime factorization of 1991457041 is 7 × 8539 × 33317.
Since it has a total of 3 prime factors.
4 , 1 , 86 , 53 , 822 , 190 , 6020 , 2753 , 91993 , 30544 , 271722 , 146677 , 6640040 , 6139261 , 2000870 , 48392855 , 541906457 , 290641204 , 5743855404 , 3178919183
n×2
3982914082
n×3
5974371123
n×4
7965828164
n×5
9957285205
n÷2
995728520.5
n÷3
663819013.66667
n÷3
497864260.25
n÷5
398291408.2
n2
3965901146148475681
n3
7.8979217614074E+27
n4
1.5728371901022E+37
n5
3.1322376965756E+46
2 √n
44625.744150658
3 √n
1258.1245806224
4 √n
211.2480630696
5 √n
72.415942674361
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
-1991457040
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 1991457041 can be divided by 8 positive divisors.
The sum of these divisors (counting 1991457041) is 1, the average is 0.125.
Base
System
Value
2
Binary
1110110101100110011100100010001
3
Ternary
12010210021111111012
4
Quaternary
1312230303210101
5
Quinary
13034303111131
6
Senary
525335500305
8
Octal
16654634421
10
Decimal
1991457041
12
Duodecimal
476b27695
16
Hexadecimal
76b33911
20
Vigesimal
1b26c2c1
36
Base36
wxnu35
md5
b5b0ef10ad4ded59aaeca03aa6662ce8
sha1
d89ce19c9e983bb5ed26da595de0ee18cb7f35c2
sha256
349c3331866cf2629d8cf4de56a8b4ce8c92991f7c3460b98d290f0b064531fd
sha512
07ab2bebbe4f556de201f38f2375e214ca752f9625da3d3d5277a471d725f69df45764d93dc4b3fbc3dadd9dd39923b72557cc675b4e13cced2f390eaa64aa71
ripemd-160
32a9cc41153dc4a79ddd20f24779b2412067d030
Diameter
3982914082
Circumference
12512693619.891
Area
1.2459245905603E+19
Volume
3.3082737312352E+28
Surface area
4.9836983622414E+19
Circumference
12512693619.891
Perimeter
7965828164
Area
3965901146148475681
Diagonal
2816345556.2656
Surface area
2.3795406876891E+19
Volume
7.8979217614074E+27
Space diagonal
3449304776.1028
Perimeter
5974371123
Area
1.7172855707312E+18
Altitude
1724652388.0514
Surface area
1.7172855707312E+18
Volume
9.3077900579532E+26
Height
938781852.08853