1991424107 is an odd 10-digits composite number following 1991424106
and preceding 1991424108 . In scientific notation, it is written as 1.991424107 × 10^9.
The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors.
There are 1986988416 positive integers (up to 1991424107) that are relatively prime to 1991424107.
1991424107 has 4 divisors, whose sum is 1995859800
The reverse of 1991424107 is 7014241991
Previous prime number is 449
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 38
Digital Root 2
Name
one billion nine hundred ninety-one million four hundred twenty-four thousand one hundred seven
Scientific notation
1.991424107 × 10^9
Engineering notation
1.991424107 × 10^9
Prime Factorization
449 × 4435243
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
1991424107
Product of the distinct prime numbers
The prime factorization of 1991424107 is 449 × 4435243.
Since it has a total of 2 prime factors.
2 , 5 , 30 , 65 , 860 , 765 , 5651 , 702 , 70876 , 21690 , 361210 , 845016 , 6360051 , 2875317 , 14294198 , 71676554 , 326175027 , 686717252 , 7010746473 , 8898308373
n×2
3982848214
n×3
5974272321
n×4
7965696428
n×5
9957120535
n÷2
995712053.5
n÷3
663808035.66667
n÷3
497856026.75
n÷5
398284821.4
n2
3965769973940747449
n3
7.8975299289224E+27
n4
1.572733148621E+37
n5
3.1319787060419E+46
2 √n
44625.375146883
3 √n
1258.1176451136
4 √n
211.24718967807
5 √n
72.415703155016
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1991424106
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1991424107 can be divided by 4 positive divisors.
The sum of these divisors (counting 1991424107) is 1, the average is 0.25.
Base
System
Value
2
Binary
1110110101100101011100001101011
3
Ternary
12010210012211022102
4
Quaternary
1312230223201223
5
Quinary
13034301032412
6
Senary
525335044015
8
Octal
16654534153
10
Decimal
1991424107
12
Duodecimal
476b1060b
16
Hexadecimal
76b2b86b
20
Vigesimal
1b268057
36
Base36
wxn4ob
md5
6b1f2dab2610da34723462fc4449899c
sha1
75616b63e4f1f4b39ef531e5dd98be1937ce9ce1
sha256
bbbb7d45707ae76a63ff5844d3caf99ac578be32efcc1145f221d933577bcbc5
sha512
2c178e1739ea094a0caf2d6e2a7ec7dadc9445abaac8c228cd32a2f5d512044d1f9bb2836aab1e2d9ebd2dd59bddbb1b748bb4bb5dd7dd23b771ccd29108cdf4
ripemd-160
9f287323d58e25d0eaf5b1aed7b9def0c2ce1ef6
Diameter
3982848214
Circumference
12512486689.466
Area
1.2458833815959E+19
Volume
3.3081096008277E+28
Surface area
4.9835335263837E+19
Circumference
12512486689.466
Perimeter
7965696428
Area
3965769973940747449
Diagonal
2816298980.5561
Surface area
2.3794619843644E+19
Volume
7.8975299289224E+27
Space diagonal
3449247732.7415
Perimeter
5974272321
Area
1.7172287714991E+18
Altitude
1724623866.3707
Surface area
1.7172287714991E+18
Volume
9.3073282789412E+26
Height
938766326.85204