749047981 is an odd 9-digits composite number following 749047980
and preceding 749047982 . In scientific notation, it is written as 7.49047981 × 10^8.
The sum of its digits is 49. It has a total of 3 prime factors and 8 positive divisors.
There are 680616000 positive integers (up to 749047981) that are relatively prime to 749047981.
749047981 has 8 divisors, whose sum is 817547328
The reverse of 749047981 is 189740947
Previous prime number is 2161
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 49
Digital Root 4
Name
seven hundred forty-nine million forty-seven thousand nine hundred eighty-one
Scientific notation
7.49047981 × 10^8
Engineering notation
7.49047981 × 10^6
Prime Factorization
11 × 2161 × 31511
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
749047981
Product of the distinct prime numbers
The prime factorization of 749047981 is 11 × 2161 × 31511.
Since it has a total of 3 prime factors.
9 , 10 , 24 , 45 , 759 , 103 , 7973 , 5207 , 75388 , 98939 , 206949 , 813511 , 2404317 , 2316337 , 45974352 , 34050100 , 264235112 , 776980373 , 5531771660 , 9419820160
n×2
1498095962
n×3
2247143943
n×4
2996191924
n×5
3745239905
n÷2
374523990.5
n÷3
249682660.33333
n÷3
187261995.25
n÷5
149809596.2
n2
561072877840176361
n3
4.2027050634004E+26
n4
3.1480277424786E+35
n5
2.3580238246356E+44
2 √n
27368.740946562
3 √n
908.17570401276
4 √n
165.43500520314
5 √n
59.552764619366
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
-749047980
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 749047981 can be divided by 8 positive divisors.
The sum of these divisors (counting 749047981) is 1, the average is 0.125.
Base
System
Value
2
Binary
101100101001011001000010101101
3
Ternary
1221012110120122211
4
Quaternary
230221121002231
5
Quinary
3013224013411
6
Senary
202154410421
8
Octal
5451310255
10
Decimal
749047981
12
Duodecimal
18aa30a11
16
Hexadecimal
2ca590ad
20
Vigesimal
be1ajj1
36
Base36
cdyp4d
md5
664dc2ed4217de66081cc9620dbfea39
sha1
355ad58156dede3b350dfb8f0ca89ce6e1acb54a
sha256
3efa8548a7662d4ecbfc37351f198aab2c9828f60945412196a6b5769ef31c34
sha512
ea1677a755bb276b76b28493153a32044e699eef4c05c678015f4d5c8b38eeb786e22fa2fc864e2a43ec4d489d4594a83a87a44398e217dbfad72b2701c7164f
ripemd-160
7735dcf574abebfdae575bb521692526cb98a15b
Diameter
1498095962
Circumference
4706407268.5917
Area
1.7626624311512E+18
Volume
1.7604249803178E+27
Surface area
7.0506497246047E+18
Circumference
4706407268.5917
Perimeter
2996191924
Area
561072877840176361
Diagonal
1059313813.5984
Surface area
3366437267041058166
Volume
4.2027050634004E+26
Space diagonal
1297389160.3989
Perimeter
2247143943
Area
2.4295168279202E+17
Altitude
648694580.19944
Surface area
2.4295168279202E+17
Volume
4.9529354160958E+25
Height
353104604.53279