1991874412 is an even 10-digits composite number following 1991874411
and preceding 1991874413 . In scientific notation, it is written as 1.991874412 × 10^9.
The sum of its digits is 46. It has a total of 4 prime factors and 12 positive divisors.
There are 905397240 positive integers (up to 1991874412) that are relatively prime to 1991874412.
1991874412 has 12 divisors, whose sum is 3514589176
The reverse of 1991874412 is 2144781991
Previous prime number is 121
Is Prime? no
Number parity even
Number length 10
Sum of Digits 46
Digital Root 1
Name
one billion nine hundred ninety-one million eight hundred seventy-four thousand four hundred twelve
Scientific notation
1.991874412 × 10^9
Engineering notation
1.991874412 × 10^9
Prime Factorization
2 × 2 × 121 × 4115443
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
995937206
Product of the distinct prime numbers
The prime factorization of 1991874412 is 2 × 2 × 121 × 4115443.
Since it has a total of 4 prime factors.
1 , 3 , 100 , 94 , 692 , 721 , 5301 , 2031 , 48262 , 12586 , 85805 , 126654 , 1297760 , 4323034 , 58699945 , 41290529 , 622830434 , 560748489 , 1355157277 , 1919103882
n×2
3983748824
n×3
5975623236
n×4
7967497648
n×5
9959372060
n÷2
995937206
n÷3
663958137.33333
n÷3
497968603
n÷5
398374882.4
n2
3967563673180345744
n3
7.9028885585887E+27
n4
1.574156150074E+37
n5
3.1355213558249E+46
2 √n
44630.420253455
3 √n
1258.2124673679
4 √n
211.25913058009
5 √n
72.418977817006
1 , 2 , 4 , 121 , 242 , 484 , 4115443 , 8230886 , 16461772 , 497968603 , 995937206 , 1991874412
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
-1991874411
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 1991874412 can be divided by 12 positive divisors.
The sum of these divisors (counting 1991874412) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1110110101110011001011101101100
3
Ternary
12010211001201000101
4
Quaternary
1312232121131230
5
Quinary
13034404440122
6
Senary
525352440444
8
Octal
16656313554
10
Decimal
1991874412
12
Duodecimal
4770a9124
16
Hexadecimal
76b9976c
20
Vigesimal
1b29460c
36
Base36
wxws4s
md5
ad8e021353c4c262f947289193de6987
sha1
4cff54374bdd809b806f6280288b83dff5af52cc
sha256
2720a199a2e0e85cb6d27f8c9a0d58add1dbeebd2364ea5077a8b2accd3ef978
sha512
0b92ddbbfb5a3d502fa4188a1a9d132cfb1e8ac0840535b1ffadd8ab3d1841431822a2847d2342d924fe9ff0aef5218d544ae0f8af68d5335b07abbc574107df
ripemd-160
7a3e9ee5b7c9551275e087f20aee16fc01624f8e
Diameter
3983748824
Circumference
12515316039.225
Area
1.2464468888313E+19
Volume
3.3103542183735E+28
Surface area
4.9857875553252E+19
Circumference
12515316039.225
Perimeter
7967497648
Area
3967563673180345744
Diagonal
2816935807.9943
Surface area
2.3805382039082E+19
Volume
7.9028885585887E+27
Space diagonal
3450027683.8804
Perimeter
5975623236
Area
1.7180054660532E+18
Altitude
1725013841.9402
Surface area
1.7180054660532E+18
Volume
9.313643484566E+26
Height
938978602.66478