1991708 is an even 7-digits composite number following 1991707
and preceding 1991709 . In scientific notation, it is written as 1.991708 × 10^6.
The sum of its digits is 35. It has a total of 4 prime factors and 12 positive divisors.
There are 952512 positive integers (up to 1991708) that are relatively prime to 1991708.
1991708 has 12 divisors, whose sum is 3637200
The reverse of 1991708 is 8071991
Previous prime number is 23
Is Prime? no
Number parity even
Number length 7
Sum of Digits 35
Digital Root 8
Name
one million nine hundred ninety-one thousand seven hundred eight
Scientific notation
1.991708 × 10^6
Engineering notation
1.991708 × 10^6
Prime Factorization
2 × 2 × 23 × 21649
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
995854
Product of the distinct prime numbers
The prime factorization of 1991708 is 2 × 2 × 23 × 21649.
Since it has a total of 4 prime factors.
3 , 9 , 54 , 70 , 295 , 345 , 1803 , 9914 , 29587 , 85996 , 684179 , 300804 , 3118842 , 3720083 , 4575536 , 9190070 , 932242236 , 983500651 , 7088476860 , 7540099206
n×2
3983416
n×3
5975124
n×4
7966832
n×5
9958540
n÷2
995854
n÷3
663902.66666667
n÷3
497927
n÷5
398341.6
n2
3966900757264
n3
7900907973448766912
n4
1.5736301617982E+25
n5
3.1342117822947E+31
2 √n
1411.2788526723
3 √n
125.81774270925
4 √n
37.566991530761
5 √n
18.190520814027
1 , 2 , 4 , 23 , 46 , 92 , 21649 , 43298 , 86596 , 497927 , 995854 , 1991708
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
-1991707
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 1991708 can be divided by 12 positive divisors.
The sum of these divisors (counting 1991708) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
111100110010000011100
3
Ternary
10202012002222
4
Quaternary
13212100130
5
Quinary
1002213313
6
Senary
110404512
8
Octal
7462034
10
Decimal
1991708
12
Duodecimal
800738
16
Hexadecimal
1e641c
20
Vigesimal
c8j58
36
Base36
16ot8
md5
3c15984ab646620e7f9e18372195509b
sha1
6dead60067a32003330e9bd0b2848fa688fc97bb
sha256
c3204c0585dfe1b230177c8eeffe152e84eb9ed80012bc196c9f4e1eb81c511c
sha512
9b57f85726ac07fce84eb7ed1c807ffd77119131ab6a153bb67f323667ad3c5f9ceaf80fd825649315dabb28d7fcb54a14f2737a65a7bf1187e2d7b31107e836
ripemd-160
e364e08c66934525d949ec94c47743a0b72638f5
Diameter
3983416
Circumference
12514270.441792
Area
12462386276540
Volume
3.3095245928101E+19
Surface area
49849545106161
Circumference
12514270.441792
Perimeter
7966832
Area
3966900757264
Diagonal
2816700.465887
Surface area
23801404543584
Volume
7900907973448766912
Space diagonal
3449739.4498414
Perimeter
5975124
Area
1717718415041.2
Altitude
1724869.7249207
Surface area
1717718415041.2
Volume
9.3113093425941E+17
Height
938900.15529566