1245691938 is an even 10-digits composite number following 1245691937
and preceding 1245691939 . In scientific notation, it is written as 1.245691938 × 10^9.
The sum of its digits is 48. It has a total of 4 prime factors and 16 positive divisors.
There are 415069056 positive integers (up to 1245691938) that are relatively prime to 1245691938.
1245691938 has 16 divisors, whose sum is 2492353440
The reverse of 1245691938 is 8391965421
Previous prime number is 2657
Is Prime? no
Number parity even
Number length 10
Sum of Digits 48
Digital Root 3
Name
one billion two hundred forty-five million six hundred ninety-one thousand nine hundred thirty-eight
Scientific notation
1.245691938 × 10^9
Engineering notation
1.245691938 × 10^9
Prime Factorization
2 × 3 × 2657 × 78139
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
1245691938
Product of the distinct prime numbers
The prime factorization of 1245691938 is 2 × 3 × 2657 × 78139.
Since it has a total of 4 prime factors.
8 , 3 , 100 , 71 , 355 , 672 , 6016 , 972 , 50652 , 5590 , 97810 , 655078 , 4248743 , 4979350 , 9707243 , 75310222 , 867670872 , 29293394 , 1100354751 , 1625608503
n×2
2491383876
n×3
3737075814
n×4
4982767752
n×5
6228459690
n÷2
622845969
n÷3
415230646
n÷3
311422984.5
n÷5
249138387.6
n2
1551748404398195844
n3
1.9330004771632E+27
n4
2.4079231105523E+36
n5
2.9995304061389E+45
2 √n
35294.361277689
3 √n
1075.9783955023
4 √n
187.86793573595
5 √n
65.92985654104
1 , 2 , 3 , 6 , 2657 , 5314 , 7971 , 15942 , 78139 , 156278 , 234417 , 468834 , 207615323 , 415230646 , 622845969 , 1245691938
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
-1245691937
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 1245691938 can be divided by 16 positive divisors.
The sum of these divisors (counting 1245691938) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001010001111111100000000100010
3
Ternary
10012210222201002110
4
Quaternary
1022033330000202
5
Quinary
10022344120223
6
Senary
323335300150
8
Octal
11217740042
10
Decimal
1245691938
12
Duodecimal
2a921a656
16
Hexadecimal
4a3fc022
20
Vigesimal
j95b9gi
36
Base36
klni1u
md5
9a8dd4c0f28a76cb230c7a7db4a8be52
sha1
fd0881e662f9bf01d0a225792212b2e1b7b4288e
sha256
651e1978693c240396f930c008f087bf5e6e01135707d1e09c5d78e9bdc5bfe0
sha512
61d5558dae56e459717c163aa2e51b07373c9135b75af625ed2e8a0a7ada56945907b821e457ebf8aa3fd905c5d222035e5e6ab175f9d17c070866f21777ea40
ripemd-160
c3aa77a4a55366a98c6b2a3621f25b272a69ceb8
Diameter
2491383876
Circumference
7826913282.1137
Area
4.8749613874771E+18
Volume
8.0969334645886E+27
Surface area
1.9499845549908E+19
Circumference
7826913282.1137
Perimeter
4982767752
Area
1551748404398195844
Diagonal
1761674433.2584
Surface area
9.3104904263892E+18
Volume
1.9330004771632E+27
Space diagonal
2157601727.1949
Perimeter
3737075814
Area
6.719267692454E+17
Altitude
1078800863.5975
Surface area
6.719267692454E+17
Volume
2.2780629090649E+26
Height
587224811.08614