127890261 is an odd 9-digits composite number following 127890260
and preceding 127890262 . In scientific notation, it is written as 1.27890261 × 10^8.
The sum of its digits is 36. It has a total of 4 prime factors and 12 positive divisors.
There are 82320000 positive integers (up to 127890261) that are relatively prime to 127890261.
127890261 has 12 divisors, whose sum is 191100780
The reverse of 127890261 is 162098721
Previous prime number is 29
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 36
Digital Root 9
Name
one hundred twenty-seven million eight hundred ninety thousand two hundred sixty-one
Scientific notation
1.27890261 × 10^8
Engineering notation
1.27890261 × 10^6
Prime Factorization
3 × 3 × 29 × 490001
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
42630087
Product of the distinct prime numbers
The prime factorization of 127890261 is 3 × 3 × 29 × 490001.
Since it has a total of 4 prime factors.
3 , 9 , 11 , 10 , 280 , 571 , 2275 , 3645 , 38602 , 24082 , 856686 , 50718 , 1187097 , 4434432 , 24157915 , 64271771 , 144440934 , 860184276 , 7289863066 , 8326338816
n×2
255780522
n×3
383670783
n×4
511561044
n×5
639451305
n÷2
63945130.5
n÷3
42630087
n÷3
31972565.25
n÷5
25578052.2
n2
16355918858648121
n3
2.0917627317273E+24
n4
2.6751608171068E+32
n5
3.4212701511676E+40
2 √n
11308.857634615
3 √n
503.82435536692
4 √n
106.34311277471
5 √n
41.818407928029
1 , 3 , 9 , 29 , 87 , 261 , 490001 , 1470003 , 4410009 , 14210029 , 42630087 , 127890261
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-127890260
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 127890261 can be divided by 12 positive divisors.
The sum of these divisors (counting 127890261) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
111100111110111001101010101
3
Ternary
22220122111110100
4
Quaternary
13213313031111
5
Quinary
230214442021
6
Senary
20405044313
8
Octal
747671525
10
Decimal
127890261
12
Duodecimal
369b6699
16
Hexadecimal
79f7355
20
Vigesimal
1jj65d1
36
Base36
2454r9
md5
89adcc3eb5853a9abea77f61ed5d3b3e
sha1
45afc786df74d38ffdb293d9a01cc9a0e046cc44
sha256
c4732391fa5b58754861f050367389fa62c0232bc4cb5452699df884b2723004
sha512
9f9af72beb0e1fc93e31e64c9ee276d20eececcd795a6f15a15349bbf8352ccf703fa87143b3d56f556a9691bf8d20b0bd01a405133d0591dc8af4b1fcdf8f2a
ripemd-160
92c07b5177e837921c5e2be2fdded28ff8007955
Diameter
255780522
Circumference
803558208.84656
Area
5.138363452904E+16
Volume
8.7619552413967E+24
Surface area
2.0553453811616E+17
Circumference
803558208.84656
Perimeter
511561044
Area
16355918858648121
Diagonal
180864141.60163
Surface area
98135513151888726
Volume
2.0917627317273E+24
Space diagonal
221512429.84524
Perimeter
383670783
Area
7.0823206169131E+15
Altitude
110756214.92262
Surface area
7.0823206169131E+15
Volume
2.4651660203962E+23
Height
60288047.200545