49989905 is an odd 8-digits composite number following 49989904
and preceding 49989906 . In scientific notation, it is written as 4.9989905 × 10^7.
The sum of its digits is 53. It has a total of 4 prime factors and 16 positive divisors.
There are 33548352 positive integers (up to 49989905) that are relatively prime to 49989905.
49989905 has 16 divisors, whose sum is 70018560
The reverse of 49989905 is 50998994
Previous prime number is 47
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 53
Digital Root 8
Name
forty-nine million nine hundred eighty-nine thousand nine hundred five
Scientific notation
4.9989905 × 10^7
Engineering notation
4.9989905 × 10^6
Prime Factorization
7 × 5 × 47 × 30389
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
49989905
Product of the distinct prime numbers
The prime factorization of 49989905 is 7 × 5 × 47 × 30389.
Since it has a total of 4 prime factors.
3 , 3 , 16 , 7 , 289 , 408 , 6971 , 6518 , 49744 , 85930 , 43892 , 707143 , 2868618 , 4295562 , 97069771 , 26460743 , 849929032 , 190877372 , 4795565647 , 8214822169
n×2
99979810
n×3
149969715
n×4
199959620
n×5
249949525
n÷2
24994952.5
n÷3
16663301.666667
n÷3
12497476.25
n÷5
9997981
n2
2498990601909025
n3
1.2492430278532E+23
n4
6.2449540284296E+30
n5
3.1218465861056E+38
2 √n
7070.3539515359
3 √n
368.37835466326
4 √n
84.085396779322
5 √n
34.655842585285
1 , 5 , 7 , 35 , 47 , 235 , 329 , 1645 , 30389 , 151945 , 212723 , 1063615 , 1428283 , 7141415 , 9997981 , 49989905
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-49989904
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 49989905 can be divided by 16 positive divisors.
The sum of these divisors (counting 49989905) is 1, the average is 0.0625.
Base
System
Value
2
Binary
10111110101100100100010001
3
Ternary
10111001202020222
4
Quaternary
2332230210101
5
Quinary
100244134110
6
Senary
4543242425
8
Octal
276544421
10
Decimal
49989905
12
Duodecimal
148a9415
16
Hexadecimal
2fac911
20
Vigesimal
fc8ef5
36
Base36
trggh
md5
ee975d3407653260b0aa92c89b444d26
sha1
f64d501650693ba382924a7714cb2b95853dac34
sha256
90ffc2a6d9a36905552134a20d48a7920cb05532fbcbe48cae03d53739243afa
sha512
f77b8d2a1d78535be43d6cb7819b47f3d0b17c9e44014c334e4fb69535eb490eace01e2a454d86c222102b77e7dffa9f47517c47ec2f4677aa660ad4370af06a
ripemd-160
e31745f79cd7959091f1cbeb4a0d4f0da7c1c2de
Diameter
99979810
Circumference
314095836.6033
Area
7.8508105163473E+15
Volume
5.2328169584694E+23
Surface area
3.1403242065389E+16
Circumference
314095836.6033
Perimeter
199959620
Area
2498990601909025
Diagonal
70696401.632743
Surface area
14993943611454150
Volume
1.2492430278532E+23
Space diagonal
86585055.325541
Perimeter
149969715
Area
1.0820946725359E+15
Altitude
43292527.662771
Surface area
1.0820946725359E+15
Volume
1.4722470272417E+22
Height
23565467.210914