1991551117 is an odd 10-digits composite number following 1991551116
and preceding 1991551118 . In scientific notation, it is written as 1.991551117 × 10^9.
The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors.
There are 1904961916 positive integers (up to 1991551117) that are relatively prime to 1991551117.
1991551117 has 4 divisors, whose sum is 2078140320
The reverse of 1991551117 is 7111551991
Previous prime number is 23
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 40
Digital Root 4
Name
one billion nine hundred ninety-one million five hundred fifty-one thousand one hundred seventeen
Scientific notation
1.991551117 × 10^9
Engineering notation
1.991551117 × 10^9
Prime Factorization
23 × 86589179
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
1991551117
Product of the distinct prime numbers
The prime factorization of 1991551117 is 23 × 86589179.
Since it has a total of 2 prime factors.
6 , 1 , 10 , 49 , 773 , 480 , 8110 , 889 , 65581 , 58287 , 571521 , 773163 , 4360979 , 8804198 , 46969476 , 13263591 , 603997703 , 132336260 , 118585851 , 3009661678
n×2
3983102234
n×3
5974653351
n×4
7966204468
n×5
9957755585
n÷2
995775558.5
n÷3
663850372.33333
n÷3
497887779.25
n÷5
398310223.4
n2
3966275851623947689
n3
7.8990411026318E+27
n4
1.5731344131175E+37
n5
3.1329775976354E+46
2 √n
44626.798193462
3 √n
1258.1443914882
4 √n
211.25055785361
5 √n
72.416626844128
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
-1991551116
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 1991551117 can be divided by 4 positive divisors.
The sum of these divisors (counting 1991551117) is 1, the average is 0.25.
Base
System
Value
2
Binary
1110110101101001010100010001101
3
Ternary
12010210110021112111
4
Quaternary
1312231022202031
5
Quinary
13034314113432
6
Senary
525341504021
8
Octal
16655124215
10
Decimal
1991551117
12
Duodecimal
476b72011
16
Hexadecimal
76b4a88d
20
Vigesimal
1b273hfh
36
Base36
wxpuod
md5
ac484bfe0c3244a6915abf59d2f67913
sha1
92b1943093e303751fec79d5e53c99f575553b1f
sha256
cae14b2ae7bc239c3681d54fef35b71a2ec4b7c4c40435f278559f16ac83adf9
sha512
8b64469c34cc1d81e2efbe470fa550a898f516b772d7838be96496b3c0262ac975209ab25907e0a0dd74912a164c1e4b0800d55a4bbab5be08259c5e09b9a6be
ripemd-160
d6a8b4666246ac5e0f6f1c486b0cc284a71a0dab
Diameter
3983102234
Circumference
12513284716.831
Area
1.2460423077572E+19
Volume
3.3087425997909E+28
Surface area
4.984169231029E+19
Circumference
12513284716.831
Perimeter
7966204468
Area
3966275851623947689
Diagonal
2816478599.8207
Surface area
2.3797655109744E+19
Volume
7.8990411026318E+27
Space diagonal
3449467720.5145
Perimeter
5974653351
Area
1.7174478229615E+18
Altitude
1724733860.2573
Surface area
1.7174478229615E+18
Volume
9.309109214237E+26
Height
938826199.94023