1991231048 is an even 10-digits composite number following 1991231047
and preceding 1991231049 . In scientific notation, it is written as 1.991231048 × 10^9.
The sum of its digits is 38. It has a total of 5 prime factors and 16 positive divisors.
There are 991341568 positive integers (up to 1991231048) that are relatively prime to 1991231048.
1991231048 has 16 divisors, whose sum is 3749585580
The reverse of 1991231048 is 8401321991
Previous prime number is 233
Is Prime? no Number parity even Number length 10 Sum of Digits 38 Digital Root 2
Name
one billion nine hundred ninety-one million two hundred thirty-one thousand forty-eight
Scientific notation
1.991231048 × 10^9
Engineering notation
1.991231048 × 10^9
Prime Factorization
2 × 2 × 2 × 233 × 1068257
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
5 Total number of prime factors
rad Radical
497807762 Product of the distinct prime numbers
The prime factorization of 1991231048 is 2 × 2 × 2 × 233 × 1068257.
Since it has a total of 5 prime factors.
5 , 3 , 29 , 65 , 409 , 67 , 7182 , 1659 , 96776 , 68987 , 354815 , 105976 , 4460662 , 825992 , 77996775 , 51578131 , 380064378 , 6582767 , 3393079288 , 9201232014
n×2
3982462096
n×3
5973693144
n×4
7964924192
n×5
9956155240
n÷2
995615524
n÷3
663743682.66667
n÷3
497807762
n÷5
398246209.6
n2
3965001086519178304
n3
7.8952332688307E+27
n4
1.5721233616098E+37
n5
3.1304608489236E+46
2 √n44623.211986588
3 √n1258.0769876459
4 √n211.24206964189
5 √n72.414299029661
1 , 2 , 4 , 8 , 233 , 466 , 932 , 1864 , 1068257 , 2136514 , 4273028 , 8546056 , 248903881 , 497807762 , 995615524 , 1991231048
16 divisors
τ Total Divisors
16 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-1991231047 Sum of the proper positive divisors of n
A Arithmetic Mean
0.0625 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
16 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1991231048 can be divided by 16 positive divisors.
The sum of these divisors (counting 1991231048) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1110110101011111100011001001000
3
Ternary
12010202212000111002
4
Quaternary
1312223330121020
5
Quinary
13034223343143
6
Senary
525330554132
8
Octal
16653743110
10
Decimal
1991231048
12
Duodecimal
476a38948
16
Hexadecimal
76afc648
20
Vigesimal
1b253hc8
36
Base36
wxizpk
md5
da25c63af3dc975a4184dcc2b98f0524
sha1
730fe3e0c46f768e1cfbcc9587ef0d7109a526f2
sha256
56ef73330e4351c552c93aca0d9122789a1894ef599f75de1e1400595345cccd
sha512
1feec21e03ad17b799e5218e2fcb0fa8f91ac9ec2c94f08889645dcbc1943239634c1f901c930c2485467a2c285a05ebdf333546ae2845ed2fc810ddf2c3157f
ripemd-160
03fca51f3e3650c43e618f3fc959e9c20a79e76d
Diameter
3982462096
Circumference
12511273663.993
Area
1.2456418284884E+19
Volume
3.3071475780982E+28
Surface area
4.9825673139537E+19
Circumference
12511273663.993
Perimeter
7964924192
Area
3965001086519178304
Diagonal
2816025953.9
Surface area
2.3790006519115E+19
Volume
7.8952332688307E+27
Space diagonal
3448913344.7446
Perimeter
5973693144
Area
1.7168958334793E+18
Altitude
1724456672.3723
Surface area
1.7168958334793E+18
Volume
9.3046216390664E+26
Height
938675317.96666