1290978939 is an odd 10-digits composite number following 1290978938
and preceding 1290978940 . In scientific notation, it is written as 1.290978939 × 10^9.
The sum of its digits is 57. It has a total of 4 prime factors and 16 positive divisors.
There are 830795328 positive integers (up to 1290978939) that are relatively prime to 1290978939.
1290978939 has 16 divisors, whose sum is 1782024192
The reverse of 1290978939 is 9398790921
Previous prime number is 73
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 57
Digital Root 3
Name
one billion two hundred ninety million nine hundred seventy-eight thousand nine hundred thirty-nine
Scientific notation
1.290978939 × 10^9
Engineering notation
1.290978939 × 10^9
Prime Factorization
3 × 47 × 73 × 125423
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
1290978939
Product of the distinct prime numbers
The prime factorization of 1290978939 is 3 × 47 × 73 × 125423.
Since it has a total of 4 prime factors.
6 , 3 , 48 , 86 , 123 , 340 , 1878 , 1350 , 58024 , 10600 , 351353 , 660803 , 472106 , 8000941 , 5898810 , 42772198 , 993033653 , 345698721 , 7131659368 , 8810624447
n×2
2581957878
n×3
3872936817
n×4
5163915756
n×5
6454894695
n÷2
645489469.5
n÷3
430326313
n÷3
322744734.75
n÷5
258195787.8
n2
1666626620941565721
n3
2.1515798668123E+27
n4
2.7776442936311E+36
n5
3.5858802831113E+45
2 √n
35930.195365458
3 √n
1088.8625282969
4 √n
189.55261898866
5 √n
66.402408405615
1 , 3 , 47 , 73 , 141 , 219 , 3431 , 10293 , 125423 , 376269 , 5894881 , 9155879 , 17684643 , 27467637 , 430326313 , 1290978939
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
-1290978938
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 1290978939 can be divided by 16 positive divisors.
The sum of these divisors (counting 1290978939) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100111100101100011001111011
3
Ternary
10022222012112011210
4
Quaternary
1030330230121323
5
Quinary
10120442311224
6
Senary
332034054203
8
Octal
11474543173
10
Decimal
1290978939
12
Duodecimal
30041a363
16
Hexadecimal
4cf2c67b
20
Vigesimal
1038c76j
36
Base36
lcm5q3
md5
3a82eb03fca311b537e16f8c26224761
sha1
2c856f1adf3b948af6c5c30a2208b9748ce682ac
sha256
c7643de82754b0907641629c1cdd5b7f45d952d27b4d0667952b28c0fe898871
sha512
02d2202a9e34c5d7530f0b28e478c97aae0b7f5730469dd6ed5075d01db707f40f71d6cb4248d26dba4aecd1a267cc67dafe4df841ca638ce048346cbd58a27e
ripemd-160
fea0890cfe2dea15300697f7a9f82f6ac65e9779
Diameter
2581957878
Circumference
8111459901.4031
Area
5.2358619486272E+18
Volume
9.012516670919E+27
Surface area
2.0943447794509E+19
Circumference
8111459901.4031
Perimeter
5163915756
Area
1666626620941565721
Diagonal
1825719924.2718
Surface area
9.9997597256494E+18
Volume
2.1515798668123E+27
Space diagonal
2236041113.8494
Perimeter
3872936817
Area
7.2167049617941E+17
Altitude
1118020556.9247
Surface area
7.2167049617941E+17
Volume
2.5356611901457E+26
Height
608573308.09061