1912157421 is an odd 10-digits composite number following 1912157420
and preceding 1912157422 . In scientific notation, it is written as 1.912157421 × 10^9.
The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors.
There are 1254705408 positive integers (up to 1912157421) that are relatively prime to 1912157421.
1912157421 has 16 divisors, whose sum is 2589739200
The reverse of 1912157421 is 1247512191
Previous prime number is 1489
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 33
Digital Root 6
Name
one billion nine hundred twelve million one hundred fifty-seven thousand four hundred twenty-one
Scientific notation
1.912157421 × 10^9
Engineering notation
1.912157421 × 10^9
Prime Factorization
3 × 67 × 1489 × 6389
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
1912157421
Product of the distinct prime numbers
The prime factorization of 1912157421 is 3 × 67 × 1489 × 6389.
Since it has a total of 4 prime factors.
3 , 3 , 70 , 69 , 212 , 284 , 8995 , 3473 , 14017 , 61272 , 119277 , 341455 , 3027675 , 4875877 , 28009170 , 44308182 , 423801052 , 885161841 , 6606706011 , 758871304
n×2
3824314842
n×3
5736472263
n×4
7648629684
n×5
9560787105
n÷2
956078710.5
n÷3
637385807
n÷3
478039355.25
n÷5
382431484.2
n2
3656346002685371241
n3
6.9915091427785E+27
n4
1.3368866091353E+37
n5
2.5563376506936E+46
2 √n
43728.222248338
3 √n
1241.1984210385
4 √n
209.11294136982
5 √n
71.829811818747
1 , 3 , 67 , 201 , 1489 , 4467 , 6389 , 19167 , 99763 , 299289 , 428063 , 1284189 , 9513221 , 28539663 , 637385807 , 1912157421
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
-1912157420
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 1912157421 can be divided by 16 positive divisors.
The sum of these divisors (counting 1912157421) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1110001111110010011010011101101
3
Ternary
11221021001122212020
4
Quaternary
1301332103103231
5
Quinary
12404003014141
6
Senary
513424100353
8
Octal
16176232355
10
Decimal
1912157421
12
Duodecimal
4544646b9
16
Hexadecimal
71f934ed
20
Vigesimal
19hajdb1
36
Base36
vmg63x
md5
1fbbe06ca51fbff72b6c5d815eba2c93
sha1
52204b4dad2577a5c9b7fdfa76dfd6bed01ac418
sha256
a2dd02de827ac1c5f5378277e33119d8d76a2213b60e517a7e715d693525da9e
sha512
4b703f1835529cc249ab4418b6bfa2744c6f0bff39041067dcffd2c92aa8396cbd7f9af90483133f69fe07c25060b24070aacfe422e59dbc773dc52ba6aa14a2
ripemd-160
f35f9e665608aa9f8e253e521623183dd40859ca
Diameter
3824314842
Circumference
12014439412.642
Area
1.1486749741019E+19
Volume
2.9285965013945E+28
Surface area
4.5946998964075E+19
Circumference
12014439412.642
Perimeter
7648629684
Area
3656346002685371241
Diagonal
2704198958.1706
Surface area
2.1938076016112E+19
Volume
6.9915091427785E+27
Space diagonal
3311953805.2419
Perimeter
5736472263
Area
1.5832442616756E+18
Altitude
1655976902.6209
Surface area
1.5832442616756E+18
Volume
8.2395725426441E+26
Height
901399652.72352