1991032642 is an even 10-digits composite number following 1991032641
and preceding 1991032643 . In scientific notation, it is written as 1.991032642 × 10^9.
The sum of its digits is 37. It has a total of 4 prime factors and 16 positive divisors.
There are 951853392 positive integers (up to 1991032642) that are relatively prime to 1991032642.
1991032642 has 16 divisors, whose sum is 3119538240
The reverse of 1991032642 is 2462301991
Previous prime number is 103
Is Prime? no
Number parity even
Number length 10
Sum of Digits 37
Digital Root 1
Name
one billion nine hundred ninety-one million thirty-two thousand six hundred forty-two
Scientific notation
1.991032642 × 10^9
Engineering notation
1.991032642 × 10^9
Prime Factorization
2 × 29 × 103 × 333283
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
1991032642
Product of the distinct prime numbers
The prime factorization of 1991032642 is 2 × 29 × 103 × 333283.
Since it has a total of 4 prime factors.
3 , 3 , 78 , 37 , 288 , 353 , 9143 , 1095 , 89752 , 44481 , 147254 , 664572 , 533044 , 2157135 , 99443908 , 66099405 , 357243774 , 544798882 , 983680283 , 1579958791
n×2
3982065284
n×3
5973097926
n×4
7964130568
n×5
9955163210
n÷2
995516321
n÷3
663677547.33333
n÷3
497758160.5
n÷5
398206528.4
n2
3964210981509500164
n3
7.8928734639603E+27
n4
1.5714968705921E+37
n5
3.1289015661496E+46
2 √n
44620.988805718
3 √n
1258.0352013828
4 √n
211.23680741224
5 √n
72.412855901894
1 , 2 , 29 , 58 , 103 , 206 , 2987 , 5974 , 333283 , 666566 , 9665207 , 19330414 , 34328149 , 68656298 , 995516321 , 1991032642
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
-1991032641
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 1991032642 can be divided by 16 positive divisors.
The sum of these divisors (counting 1991032642) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1110110101011001011111101000010
3
Ternary
12010202110221022201
4
Quaternary
1312223023331002
5
Quinary
13034201021032
6
Senary
525322423414
8
Octal
16653137502
10
Decimal
1991032642
12
Duodecimal
476961b6a
16
Hexadecimal
76acbf42
20
Vigesimal
1b23j1c2
36
Base36
wxeqma
md5
d3dc5cc99de989386680f1b53b2328d6
sha1
9b30e249809e00e92e5ed79d2eb83b8792802cb0
sha256
cfb842b1d5605645fd5116beb2d55f143783dc061424e210bfe30aaded4adceb
sha512
3b6576dad6c3dfe7322b68286e49084e29a0e62897a74bc8dfe35532f065a778ff51e2d8558c3fa9e28ad3b6e9fe48e3ac14f125be52a7c5ac1239f473d9bed1
ripemd-160
7f224759b0040d1a9a825a2491200748520e2f11
Diameter
3982065284
Circumference
12510027042.329
Area
1.245393609679E+19
Volume
3.3061591053455E+28
Surface area
4.9815744387161E+19
Circumference
12510027042.329
Perimeter
7964130568
Area
3964210981509500164
Diagonal
2815745365.4439
Surface area
2.3785265889057E+19
Volume
7.8928734639603E+27
Space diagonal
3448569695.4721
Perimeter
5973097926
Area
1.7165537079742E+18
Altitude
1724284847.736
Surface area
1.7165537079742E+18
Volume
9.3018405823561E+26
Height
938581788.48131