1991424108 is an even 10-digits composite number following 1991424107
and preceding 1991424109 . In scientific notation, it is written as 1.991424108 × 10^9.
The sum of its digits is 39. It has a total of 4 prime factors and 12 positive divisors.
There are 663808032 positive integers (up to 1991424108) that are relatively prime to 1991424108.
1991424108 has 12 divisors, whose sum is 4646656280
The reverse of 1991424108 is 8014241991
Previous prime number is 3
Is Prime? no Number parity even Number length 10 Sum of Digits 39 Digital Root 3
Name
one billion nine hundred ninety-one million four hundred twenty-four thousand one hundred eight
Scientific notation
1.991424108 × 10^9
Engineering notation
1.991424108 × 10^9
Prime Factorization
2 × 2 × 3 × 165952009
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
4 Total number of prime factors
rad Radical
995712054 Product of the distinct prime numbers
The prime factorization of 1991424108 is 2 × 2 × 3 × 165952009.
Since it has a total of 4 prime factors.
7 , 6 , 43 , 59 , 877 , 2 , 891 , 8603 , 34234 , 77911 , 775735 , 984704 , 4863735 , 8009575 , 8686730 , 78511606 , 506632002 , 869460926 , 518629229 , 7657538868
n×2
3982848216
n×3
5974272324
n×4
7965696432
n×5
9957120540
n÷2
995712054
n÷3
663808036
n÷3
497856027
n÷5
398284821.6
n2
3965769977923595664
n3
7.8975299408197E+27
n4
1.57273315178E+37
n5
3.1319787139055E+46
2 √n44625.375158087
3 √n1258.1176453242
4 √n211.24718970459
5 √n72.415703162288
1 , 2 , 3 , 4 , 6 , 12 , 165952009 , 331904018 , 497856027 , 663808036 , 995712054 , 1991424108
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
-1991424107 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 1991424108 can be divided by 12 positive divisors.
The sum of these divisors (counting 1991424108) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1110110101100101011100001101100
3
Ternary
12010210012211022110
4
Quaternary
1312230223201230
5
Quinary
13034301032413
6
Senary
525335044020
8
Octal
16654534154
10
Decimal
1991424108
12
Duodecimal
476b10610
16
Hexadecimal
76b2b86c
20
Vigesimal
1b268058
36
Base36
wxn4oc
md5
c1bd1a92462523ee1f7af5d2bc1f8de6
sha1
91d12dc8ee660469d641460362c9a0761a9a1175
sha256
423624aa6c914e1e5bbb782c68df1a7b3b58b08f7e4576593de88b4b9eab0f5c
sha512
4ca20f7d849c2534b827e36810f405b9cec20f178686b4139cc89e5ccd1e5208a0c3a76a3a7fcd5944a68db457202f05669c42e144607382b3915ef643b83b75
ripemd-160
434d1334bebf340f130e3f941db119afed7a35f4
Diameter
3982848216
Circumference
12512486695.749
Area
1.2458833828472E+19
Volume
3.3081096058113E+28
Surface area
4.9835335313887E+19
Circumference
12512486695.749
Perimeter
7965696432
Area
3965769977923595664
Diagonal
2816298981.9703
Surface area
2.3794619867542E+19
Volume
7.8975299408197E+27
Space diagonal
3449247734.4735
Perimeter
5974272324
Area
1.7172287732237E+18
Altitude
1724623867.2368
Surface area
1.7172287732237E+18
Volume
9.3073282929623E+26
Height
938766327.32345