1991456067 is an odd 10-digits composite number following 1991456066
and preceding 1991456068 . In scientific notation, it is written as 1.991456067 × 10^9.
The sum of its digits is 48. It has a total of 3 prime factors and 8 positive divisors.
There are 1308938120 positive integers (up to 1991456067) that are relatively prime to 1991456067.
1991456067 has 8 divisors, whose sum is 2692673280
The reverse of 1991456067 is 7606541991
Previous prime number is 71
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 48
Digital Root 3
Name
one billion nine hundred ninety-one million four hundred fifty-six thousand sixty-seven
Scientific notation
1.991456067 × 10^9
Engineering notation
1.991456067 × 10^9
Prime Factorization
3 × 71 × 9349559
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1991456067
Product of the distinct prime numbers
The prime factorization of 1991456067 is 3 × 71 × 9349559.
Since it has a total of 3 prime factors.
2 , 5 , 95 , 3 , 369 , 273 , 8514 , 6336 , 97691 , 7669 , 981512 , 299941 , 3759379 , 7433500 , 30993511 , 83178232 , 556170259 , 975505886 , 5666024570 , 3034509765
n×2
3982912134
n×3
5974368201
n×4
7965824268
n×5
9957280335
n÷2
995728033.5
n÷3
663818689
n÷3
497864016.75
n÷5
398291213.4
n2
3965897266791108489
n3
7.8979101730499E+27
n4
1.5728341130741E+37
n5
3.132230036866E+46
2 √n
44625.733237674
3 √n
1258.1243755107
4 √n
211.24803723981
5 √n
72.415935590789
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
-1991456066
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 1991456067 can be divided by 8 positive divisors.
The sum of these divisors (counting 1991456067) is 1, the average is 0.125.
Base
System
Value
2
Binary
1110110101100110011010101000011
3
Ternary
12010210021110011010
4
Quaternary
1312230303111003
5
Quinary
13034303043232
6
Senary
525335452003
8
Octal
16654632503
10
Decimal
1991456067
12
Duodecimal
476b27003
16
Hexadecimal
76b33543
20
Vigesimal
1b26c037
36
Base36
wxntc3
md5
c3f9a22bbcf30bf2a6e95815a405d885
sha1
630e4ad083aa79260072c2c940eee54b8eed3f54
sha256
908dd6202ea9168b58cf7a7e287b88e224580ba72a9ff92c3140420f38a823b1
sha512
4eeb0f088a07419ca1a47956b95dafec7a52411aaaf7fac3b8877fe9bb221b98179249b9bd6903caa383c1c333faae0060fc09d0f3590b11cdf406100eecb2a3
ripemd-160
d7ae79b2d445ab369b71772c1ce3b5ca8731d390
Diameter
3982912134
Circumference
12512687500.068
Area
1.2459233718243E+19
Volume
3.3082688771154E+28
Surface area
4.9836934872971E+19
Circumference
12512687500.068
Perimeter
7965824268
Area
3965897266791108489
Diagonal
2816344178.8216
Surface area
2.3795383600747E+19
Volume
7.8979101730499E+27
Space diagonal
3449303089.0853
Perimeter
5974368201
Area
1.7172838909202E+18
Altitude
1724651544.5426
Surface area
1.7172838909202E+18
Volume
9.307776400943E+26
Height
938781392.94053