1991232748 is an even 10-digits composite number following 1991232747
and preceding 1991232749 . In scientific notation, it is written as 1.991232748 × 10^9.
The sum of its digits is 46. It has a total of 4 prime factors and 12 positive divisors.
There are 983620832 positive integers (up to 1991232748) that are relatively prime to 1991232748.
1991232748 has 12 divisors, whose sum is 3526641720
The reverse of 1991232748 is 8472321991
Previous prime number is 83
Is Prime? no Number parity even Number length 10 Sum of Digits 46 Digital Root 1
Name
one billion nine hundred ninety-one million two hundred thirty-two thousand seven hundred forty-eight
Scientific notation
1.991232748 × 10^9
Engineering notation
1.991232748 × 10^9
Prime Factorization
2 × 2 × 83 × 5997689
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
4 Total number of prime factors
rad Radical
995616374 Product of the distinct prime numbers
The prime factorization of 1991232748 is 2 × 2 × 83 × 5997689.
Since it has a total of 4 prime factors.
8 , 4 , 41 , 97 , 139 , 18 , 9345 , 7331 , 26683 , 57832 , 341661 , 345433 , 1150914 , 2928139 , 53249889 , 59540656 , 430872570 , 652770614 , 9719552364 , 2764770318
n×2
3982465496
n×3
5973698244
n×4
7964930992
n×5
9956163740
n÷2
995616374
n÷3
663744249.33333
n÷3
497808187
n÷5
398246549.6
n2
3965007856707631504
n3
7.8952534903535E+27
n4
1.5721287303753E+37
n5
3.130474211995E+46
2 √n44623.231034967
3 √n1258.0773456707
4 √n211.24211472849
5 √n72.4143113943
1 , 2 , 4 , 83 , 166 , 332 , 5997689 , 11995378 , 23990756 , 497808187 , 995616374 , 1991232748
12 divisors
τ Total Divisors
12 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-1991232747 Sum of the proper positive divisors of n
A Arithmetic Mean
0.083333333333333 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
12 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1991232748 can be divided by 12 positive divisors.
The sum of these divisors (counting 1991232748) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1110110101011111100110011101100
3
Ternary
12010202212002211001
4
Quaternary
1312223330303230
5
Quinary
13034223421443
6
Senary
525331010044
8
Octal
16653746354
10
Decimal
1991232748
12
Duodecimal
476a39924
16
Hexadecimal
76afccec
20
Vigesimal
1b2541h8
36
Base36
wxj10s
md5
e5da4ab2fec88c8d32dd068db3413a59
sha1
543ff218d7707879e3c5b6a62e64a0a25af3386e
sha256
fa5b0d8507f36047c7cc81957b773cce911e405c317e6c95062334c7919b5881
sha512
14860b051e94e5d582f5f3d58ff53324288dfd44508f6ef7d627d801da9831fc3dd3b48c958e020842551d8824e040ca576c3715df023b4d21f6f7b11f84f300
ripemd-160
70563280da5ad02f9fb64e17fba8e2d1e0e95366
Diameter
3982465496
Circumference
12511284345.408
Area
1.2456439554059E+19
Volume
3.3071560484698E+28
Surface area
4.9825758216234E+19
Circumference
12511284345.408
Perimeter
7964930992
Area
3965007856707631504
Diagonal
2816028358.063
Surface area
2.3790047140246E+19
Volume
7.8952534903535E+27
Space diagonal
3448916289.231
Perimeter
5973698244
Area
1.7168987650568E+18
Altitude
1724458144.6155
Surface area
1.7168987650568E+18
Volume
9.3046454703596E+26
Height
938676119.35435