1213231381 is an odd 10-digits composite number following 1213231380
and preceding 1213231382 . In scientific notation, it is written as 1.213231381 × 10^9.
The sum of its digits is 25. It has a total of 3 prime factors and 8 positive divisors.
There are 1202892768 positive integers (up to 1213231381) that are relatively prime to 1213231381.
1213231381 has 8 divisors, whose sum is 1223582720
The reverse of 1213231381 is 1831323121
Previous prime number is 2707
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 25
Digital Root 7
Name
one billion two hundred thirteen million two hundred thirty-one thousand three hundred eighty-one
Scientific notation
1.213231381 × 10^9
Engineering notation
1.213231381 × 10^9
Prime Factorization
127 × 2707 × 3529
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1213231381
Product of the distinct prime numbers
The prime factorization of 1213231381 is 127 × 2707 × 3529.
Since it has a total of 3 prime factors.
5 , 7 , 33 , 96 , 695 , 326 , 1625 , 5614 , 78995 , 17744 , 351296 , 684260 , 3180306 , 9022539 , 62425049 , 49365034 , 321158578 , 518784787 , 7189916927 , 8616483882
n×2
2426462762
n×3
3639694143
n×4
4852925524
n×5
6066156905
n÷2
606615690.5
n÷3
404410460.33333
n÷3
303307845.25
n÷5
242646276.2
n2
1471930383843167161
n3
1.7857921323259E+27
n4
2.1665790548807E+36
n5
2.6285616987986E+45
2 √n
34831.471128851
3 √n
1066.549979499
4 √n
186.63191347905
5 √n
65.582614630523
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1213231380
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1213231381 can be divided by 8 positive divisors.
The sum of these divisors (counting 1213231381) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001000010100000111000100010101
3
Ternary
10010112220112120121
4
Quaternary
1020110013010111
5
Quinary
4441041401011
6
Senary
320215431541
8
Octal
11024070425
10
Decimal
1213231381
12
Duodecimal
29a3855b1
16
Hexadecimal
48507115
20
Vigesimal
ij2di91
36
Base36
k2brbp
md5
75765031c1d11cae077cf10e2bb42743
sha1
759798feb8c867ad94d9cc0931595caad2a5a1eb
sha256
4d0a4c0943720b593c1a1e28d9433421faa9b3e0ab52a8a239d148e92e610a89
sha512
2c567a44c8f1954691ed73c44380a04daadf99d162981ebf2e6e467c1db19476d175d78f8f75d90114ea1dce6ba24b71284409e2e978b4416df6bb61f58e33d4
ripemd-160
362e33267f066e0f0331a5a864d02150bb148ba1
Diameter
2426462762
Circumference
7622957587.3084
Area
4.6242056804773E+18
Volume
7.4803085916714E+27
Surface area
1.8496822721909E+19
Circumference
7622957587.3084
Perimeter
4852925524
Area
1471930383843167161
Diagonal
1715768273.3068
Surface area
8831582303059002966
Volume
1.7857921323259E+27
Space diagonal
2101378393.229
Perimeter
3639694143
Area
6.3736455250518E+17
Altitude
1050689196.6145
Surface area
6.3736455250518E+17
Volume
2.1045762109287E+26
Height
571922757.76895