1280971888 is an even 10-digits composite number following 1280971887
and preceding 1280971889 . In scientific notation, it is written as 1.280971888 × 10^9.
The sum of its digits is 52. It has a total of 6 prime factors and 20 positive divisors.
There are 548987904 positive integers (up to 1280971888) that are relatively prime to 1280971888.
1280971888 has 20 divisors, whose sum is 2836438000
The reverse of 1280971888 is 8881790821
Previous prime number is 7
Is Prime? no
Number parity even
Number length 10
Sum of Digits 52
Digital Root 7
Name
one billion two hundred eighty million nine hundred seventy-one thousand eight hundred eighty-eight
Scientific notation
1.280971888 × 10^9
Engineering notation
1.280971888 × 10^9
Prime Factorization
2 × 2 × 2 × 2 × 7 × 11437249
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
160121486
Product of the distinct prime numbers
The prime factorization of 1280971888 is 2 × 2 × 2 × 2 × 7 × 11437249.
Since it has a total of 6 prime factors.
10 , 3 , 72 , 33 , 381 , 116 , 1058 , 801 , 5253 , 73160 , 87162 , 824988 , 1532445 , 6484112 , 38468805 , 48594942 , 479033576 , 55780336 , 5313958757 , 9417840984
n×2
2561943776
n×3
3842915664
n×4
5123887552
n×5
6404859440
n÷2
640485944
n÷3
426990629.33333
n÷3
320242972
n÷5
256194377.6
n2
1640888977846284544
n3
2.1019326519501E+27
n4
2.6925166376174E+36
n5
3.4490381207602E+45
2 √n
35790.667610426
3 √n
1086.0417802312
4 √n
189.18421607107
5 √n
66.299143784865
1 , 2 , 4 , 7 , 8 , 14 , 16 , 28 , 56 , 112 , 11437249 , 22874498 , 45748996 , 80060743 , 91497992 , 160121486 , 182995984 , 320242972 , 640485944 , 1280971888
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1280971887
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1280971888 can be divided by 20 positive divisors.
The sum of these divisors (counting 1280971888) is 1, the average is 0.05.
Base
System
Value
2
Binary
1001100010110100001010001110000
3
Ternary
10022021101010002021
4
Quaternary
1030112201101300
5
Quinary
10110412100023
6
Senary
331035401224
8
Octal
11426412160
10
Decimal
1280971888
12
Duodecimal
2b8bb3214
16
Hexadecimal
4c5a1470
20
Vigesimal
100619e8
36
Base36
l6no8g
md5
d16b820b88a422aa0584255747ba4316
sha1
3603d3155547f966b93de972f3e8841e7e786f22
sha256
90a207b181dd6e3a82209b334b6fa1214757efdb549550e3b232fa932f6bf4ce
sha512
ec058b68c54b317b20105ed7adf03f6ad8de52831a287833f2f52e4a5049733a48b0fe60446c392cef7c2645d0b1a1c21b2e970d1846cd4c7ab5ac425300215f
ripemd-160
684a55da238c4ccb01ca126b80af7d0e3ff07bab
Diameter
2561943776
Circumference
8048583745.5917
Area
5.1550047581584E+18
Volume
8.8045549036094E+27
Surface area
2.0620019032633E+19
Circumference
8048583745.5917
Perimeter
5123887552
Area
1640888977846284544
Diagonal
1811567817.0283
Surface area
9.8453338670777E+18
Volume
2.1019326519501E+27
Space diagonal
2218708393.0834
Perimeter
3842915664
Area
7.1052576980238E+17
Altitude
1109354196.5417
Surface area
7.1052576980238E+17
Volume
2.477151386319E+26
Height
603855939.00942