1213149845 is an odd 10-digits composite number following 1213149844
and preceding 1213149846 . In scientific notation, it is written as 1.213149845 × 10^9.
The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors.
There are 969820560 positive integers (up to 1213149845) that are relatively prime to 1213149845.
1213149845 has 8 divisors, whose sum is 1456828800
The reverse of 1213149845 is 5489413121
Previous prime number is 1399
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 38
Digital Root 2
Name
one billion two hundred thirteen million one hundred forty-nine thousand eight hundred forty-five
Scientific notation
1.213149845 × 10^9
Engineering notation
1.213149845 × 10^9
Prime Factorization
5 × 1399 × 173431
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1213149845
Product of the distinct prime numbers
The prime factorization of 1213149845 is 5 × 1399 × 173431.
Since it has a total of 3 prime factors.
7 , 2 , 14 , 92 , 806 , 385 , 8012 , 4028 , 61296 , 40785 , 341738 , 989383 , 5937397 , 9109767 , 56622255 , 16539531 , 240484340 , 267318897 , 4751338489 , 5096971633
n×2
2426299690
n×3
3639449535
n×4
4852599380
n×5
6065749225
n÷2
606574922.5
n÷3
404383281.66667
n÷3
303287461.25
n÷5
242629969
n2
1471732546423524025
n3
1.7854321105752E+27
n4
2.1659966882023E+36
n5
2.6276785465631E+45
2 √n
34830.300673408
3 √n
1066.5260862366
4 √n
186.62877772039
5 √n
65.581733102415
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
-1213149844
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 1213149845 can be divided by 8 positive divisors.
The sum of these divisors (counting 1213149845) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001000010011110011001010010101
3
Ternary
10010112202101201202
4
Quaternary
1020103303022111
5
Quinary
4441031243340
6
Senary
320214002245
8
Octal
11023631225
10
Decimal
1213149845
12
Duodecimal
29a346385
16
Hexadecimal
484f3295
20
Vigesimal
ij23ec5
36
Base36
k2a0et
md5
47659498753ca2eef81624761c4443f6
sha1
9ce92b086a105eed310f0a2bb1aa450da7fc775c
sha256
d70498ab47032bc51c5b25067d79862ffde9b362026de3a6402a58250c492fa5
sha512
65d13f4f44202f2a718d4436178f03fd9a8814ca1398411fffb916ce12f8570ef53bed9b1d36b4653f3dea00e2acb628842e0f3ca2983c6ec014ebe2ebd3c81e
ripemd-160
e7f7c30b3825ff9b1dc08ec58d74d69c70ae544e
Diameter
2426299690
Circumference
7622445281.5112
Area
4.6235841558931E+18
Volume
7.4788005360883E+27
Surface area
1.8494336623573E+19
Circumference
7622445281.5112
Perimeter
4852599380
Area
1471732546423524025
Diagonal
1715652963.9898
Surface area
8830395278541144150
Volume
1.7854321105752E+27
Space diagonal
2101237168.7343
Perimeter
3639449535
Area
6.3727888638957E+17
Altitude
1050618584.3672
Surface area
6.3727888638957E+17
Volume
2.1041519212265E+26
Height
571884321.32994