1991234423 is an odd 10-digits prime number following 1991234422
and preceding 1991234424 . In scientific notation, it is written as 1.991234423 × 10^9.
The sum of its digits is 38. It has a total of 1 prime factors and 2 positive divisors.
There are 1991234422 positive integers (up to 1991234423) that are relatively prime to 1991234423.
1991234423 has 2 divisors, whose sum is 1991234424
The reverse of 1991234423 is 3244321991
Previous prime number is 1
Is Prime? yes Number parity odd Number length 10 Sum of Digits 38 Digital Root 2
Name
one billion nine hundred ninety-one million two hundred thirty-four thousand four hundred twenty-three
Scientific notation
1.991234423 × 10^9
Engineering notation
1.991234423 × 10^9
Prime Factorization
1991234423
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
1991234423 Product of the distinct prime numbers
The prime factorization of 1991234423 is 1991234423.
Since it has a total of 1 prime factors.
10 , 10 , 71 , 7 , 421 , 203 , 5680 , 6681 , 11343 , 92046 , 530608 , 508163 , 12021 , 6243272 , 41821509 , 19710371 , 210336603 , 41396242 , 9841533146 , 1680045404
n×2
3982468846
n×3
5973703269
n×4
7964937692
n×5
9956172115
n÷2
995617211.5
n÷3
663744807.66667
n÷3
497808605.75
n÷5
398246884.6
n2
3965014527340142929
n3
7.8952734145348E+27
n4
1.5721340202018E+37
n5
3.1304873785953E+46
2 √n44623.249803214
3 √n1258.0776984303
4 √n211.24215915203
5 √n72.414323577098
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
1991234424 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
995617212 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
44623.249814418 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999999989956 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1991234423 can be divided by 2 positive divisors.
The sum of these divisors (counting 1991234423) is 1991234424, the average is 995617212.
Base
System
Value
2
Binary
1110110101011111101001101110111
3
Ternary
12010202212012010002
4
Quaternary
1312223331031313
5
Quinary
13034224000143
6
Senary
525331021515
8
Octal
16653751567
10
Decimal
1991234423
12
Duodecimal
476a3a89b
16
Hexadecimal
76afd377
20
Vigesimal
1b254613
36
Base36
wxj2bb
md5
f5e76b43ba5967bd024a4049479dcdef
sha1
4993e95c2b0dcbf7e9b947420d40e40189a6aa92
sha256
40fc70a410e74bf62cd5ca2d9f5db9666aa56056bd706ab51461f9e2d980f9eb
sha512
bc16959113985492597903d9c2441a40175b47f98df4f6bf93d6d2fb06dfcf1a5eee13963f54b7e901aa8a46468424c67ca1d58cdef1cbbb444deda7fa6279dd
ripemd-160
e612bea55663cc300924237fd15d1f762713713d
Diameter
3982468846
Circumference
12511294869.744
Area
1.2456460510469E+19
Volume
3.3071643942914E+28
Surface area
4.9825842041874E+19
Circumference
12511294869.744
Perimeter
7964937692
Area
3965014527340142929
Diagonal
2816030726.8708
Surface area
2.3790087164041E+19
Volume
7.8952734145348E+27
Space diagonal
3448919190.4161
Perimeter
5973703269
Area
1.7169016535255E+18
Altitude
1724459595.208
Surface area
1.7169016535255E+18
Volume
9.3046689512323E+26
Height
938676908.95692