1025190781 is an odd 10-digits composite number following 1025190780
and preceding 1025190782 . In scientific notation, it is written as 1.025190781 × 10^9.
The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors.
There are 1019823100 positive integers (up to 1025190781) that are relatively prime to 1025190781.
1025190781 has 4 divisors, whose sum is 1030558464
The reverse of 1025190781 is 1870915201
Previous prime number is 191
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 34
Digital Root 7
Name
one billion twenty-five million one hundred ninety thousand seven hundred eighty-one
Scientific notation
1.025190781 × 10^9
Engineering notation
1.025190781 × 10^9
Prime Factorization
191 × 5367491
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
1025190781
Product of the distinct prime numbers
The prime factorization of 1025190781 is 191 × 5367491.
Since it has a total of 2 prime factors.
2 , 10 , 16 , 94 , 394 , 451 , 2905 , 5437 , 83145 , 85221 , 318961 , 274469 , 5677253 , 1961335 , 22021202 , 27318516 , 109780394 , 971389797 , 7342489825 , 1398805083
n×2
2050381562
n×3
3075572343
n×4
4100763124
n×5
5125953905
n÷2
512595390.5
n÷3
341730260.33333
n÷3
256297695.25
n÷5
205038156.2
n2
1051016137447389961
n3
1.0774920547933E+27
n4
1.1046349211748E+36
n5
1.1324615375591E+45
2 √n
32018.600547182
3 √n
1008.327389102
4 √n
178.93742075704
5 √n
63.410465069191
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1025190780
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1025190781 can be divided by 4 positive divisors.
The sum of these divisors (counting 1025190781) is 1, the average is 0.25.
Base
System
Value
2
Binary
111101000110110010101101111101
3
Ternary
2122110002002100221
4
Quaternary
331012302231331
5
Quinary
4044422101111
6
Senary
245421221341
8
Octal
7506625575
10
Decimal
1025190781
12
Duodecimal
247401851
16
Hexadecimal
3d1b2b7d
20
Vigesimal
g078gj1
36
Base36
gyde9p
md5
673abbdd25e0d31899774ccfa9c7c624
sha1
ad8a5c8ebf8deb3a36768e6575aa64c3cb3adcf3
sha256
dac2fdc09f5d395b6109d297330a2c115500390a8bec015242f7304b33db6759
sha512
91fbc8105459a616e867405d2f3c0aae4f131fe0692b22227d6faebf125f2f3cdb3845a44b77372e8ab3360794db14b0ede9b6e5fcfcc7fe1a874197245119c7
ripemd-160
86067989a47b2b484dbf0069c6b273a4a093dfe6
Diameter
2050381562
Circumference
6441463652.2352
Area
3.301864576209E+18
Volume
4.5133881648533E+27
Surface area
1.3207458304836E+19
Circumference
6441463652.2352
Perimeter
4100763124
Area
1051016137447389961
Diagonal
1449838706.5101
Surface area
6306096824684339766
Volume
1.0774920547933E+27
Space diagonal
1775682520.1432
Perimeter
3075572343
Area
4.5510333740842E+17
Altitude
887841260.07161
Surface area
4.5510333740842E+17
Volume
1.2698365643649E+26
Height
483279568.83669