1242987331 is an odd 10-digits prime number following 1242987330
and preceding 1242987332 . In scientific notation, it is written as 1.242987331 × 10^9.
The sum of its digits is 40. It has a total of 1 prime factors and 2 positive divisors.
There are 1242987330 positive integers (up to 1242987331) that are relatively prime to 1242987331.
1242987331 has 2 divisors, whose sum is 1242987332
The reverse of 1242987331 is 1337892421
Previous prime number is 1
Is Prime? yes Number parity odd Number length 10 Sum of Digits 40 Digital Root 4
Name
one billion two hundred forty-two million nine hundred eighty-seven thousand three hundred thirty-one
Scientific notation
1.242987331 × 10^9
Engineering notation
1.242987331 × 10^9
Prime Factorization
1242987331
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
1242987331 Product of the distinct prime numbers
The prime factorization of 1242987331 is 1242987331.
Since it has a total of 1 prime factors.
3 , 7 , 81 , 87 , 933 , 427 , 4113 , 8630 , 81384 , 98056 , 614475 , 918156 , 3859635 , 2908828 , 57827079 , 56163220 , 538931596 , 60800962 , 1368119032 , 3763295839
n×2
2485974662
n×3
3728961993
n×4
4971949324
n×5
6214936655
n÷2
621493665.5
n÷3
414329110.33333
n÷3
310746832.75
n÷5
248597466.2
n2
1545017505026503561
n3
1.9204371849212E+27
n4
2.3870790908383E+36
n5
2.967109068007E+45
2 √n35256.025456651
3 √n1075.1991211461
4 √n187.76587937283
5 √n65.901202680755
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
1242987332 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
621493666 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
35256.025470833 Returns the nth root of the product of n divisors
H Harmonic Mean
1.999999998391 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1242987331 can be divided by 2 positive divisors.
The sum of these divisors (counting 1242987331) is 1242987332, the average is 621493666.
Base
System
Value
2
Binary
1001010000101100111101101000011
3
Ternary
10012121220022001211
4
Quaternary
1022011213231003
5
Quinary
10021201043311
6
Senary
323201310551
8
Octal
11205475503
10
Decimal
1242987331
12
Duodecimal
2a8335457
16
Hexadecimal
4a167b43
20
Vigesimal
j88d86b
36
Base36
kk1j5v
md5
417c842da650f95f63d21b408cbd86ce
sha1
e44f81b4b4c02e064d735f8471defcbdaea8441d
sha256
d6031637b2dc1d5f8b82c4a69d17ca5c6aa2744563c5381ec176e6742998fcee
sha512
faec8b846520a7b9a9a6e567d6019a87c0c275a1b8e4ea5e81e80ffac73045f9d9774e73522c3e90f289ec81a5ba9a163bdbcbf8fe181761283bf560a55d4e01
ripemd-160
2ca1d4e281816d303bc77d9762254ec755fd226f
Diameter
2485974662
Circumference
7809919735.1496
Area
4.8538156434589E+18
Volume
8.0443084691054E+27
Surface area
1.9415262573836E+19
Circumference
7809919735.1496
Perimeter
4971949324
Area
1545017505026503561
Diagonal
1757849541.3581
Surface area
9.270105030159E+18
Volume
1.9204371849212E+27
Space diagonal
2152917210.4564
Perimeter
3728961993
Area
6.690122043223E+17
Altitude
1076458605.2282
Surface area
6.690122043223E+17
Volume
2.2632569271676E+26
Height
585949847.11938