1245497681 is an odd 10-digits prime number following 1245497680
and preceding 1245497682 . In scientific notation, it is written as 1.245497681 × 10^9.
The sum of its digits is 47. It has a total of 1 prime factors and 2 positive divisors.
There are 1245497680 positive integers (up to 1245497681) that are relatively prime to 1245497681.
1245497681 has 2 divisors, whose sum is 1245497682
The reverse of 1245497681 is 1867945421
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 10
Sum of Digits 47
Digital Root 2
Name
one billion two hundred forty-five million four hundred ninety-seven thousand six hundred eighty-one
Scientific notation
1.245497681 × 10^9
Engineering notation
1.245497681 × 10^9
Prime Factorization
1245497681
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
1245497681
Product of the distinct prime numbers
The prime factorization of 1245497681 is 1245497681.
Since it has a total of 1 prime factors.
2 , 3 , 33 , 57 , 195 , 755 , 1290 , 7829 , 63777 , 64390 , 468572 , 239832 , 6721315 , 7084182 , 58653223 , 83127294 , 402348977 , 645681394 , 1654287056 , 7502745719
n×2
2490995362
n×3
3736493043
n×4
4981990724
n×5
6227488405
n÷2
622748840.5
n÷3
415165893.66667
n÷3
311374420.25
n÷5
249099536.2
n2
1551264473376377761
n3
1.932096304208E+27
n4
2.4064214663597E+36
n5
2.9971923558596E+45
2 √n
35291.609215223
3 √n
1075.9224621439
4 √n
187.86061113289
5 √n
65.927800152183
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
1245497682
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
622748841
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
35291.60922939
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999983942
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1245497681 can be divided by 2 positive divisors.
The sum of these divisors (counting 1245497681) is 1245497682, the average is 622748841.
Base
System
Value
2
Binary
1001010001111001100100101010001
3
Ternary
10012210121211121202
4
Quaternary
1022033030211101
5
Quinary
10022321411211
6
Senary
323331200545
8
Octal
11217144521
10
Decimal
1245497681
12
Duodecimal
2a9146155
16
Hexadecimal
4a3cc951
20
Vigesimal
j947441
36
Base36
kljc5t
md5
97eaf6570cf93d5269b284200e6aaf5f
sha1
81f93f224624423758ca08a8e58a1de86de36889
sha256
9b84f79904e8342c3032533258f50bea598e25f6258d6412ff3ae8eb66382af1
sha512
280bd6ba95550af0dd587f4344e17ad9824502df2e5a7495ace69db63cf8fec273cfdbb73cf718f848401d547b30353a7afc22b765347d55e478e1db42a09b47
ripemd-160
c197d2856e74f602bb642dfe71f9566e23147146
Diameter
2490995362
Circumference
7825692729.3854
Area
4.8734410733341E+18
Volume
8.0931460737703E+27
Surface area
1.9493764293336E+19
Circumference
7825692729.3854
Perimeter
4981990724
Area
1551264473376377761
Diagonal
1761399712.3744
Surface area
9.3075868402583E+18
Volume
1.932096304208E+27
Space diagonal
2157265264.2012
Perimeter
3736493043
Area
6.7171722096612E+17
Altitude
1078632632.1006
Surface area
6.7171722096612E+17
Volume
2.2769973310182E+26
Height
587133237.45815