1289888947 is an odd 10-digits prime number following 1289888946
and preceding 1289888948 . In scientific notation, it is written as 1.289888947 × 10^9.
The sum of its digits is 64. It has a total of 1 prime factors and 2 positive divisors.
There are 1289888946 positive integers (up to 1289888947) that are relatively prime to 1289888947.
1289888947 has 2 divisors, whose sum is 1289888948
The reverse of 1289888947 is 7498889821
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 10
Sum of Digits 64
Digital Root 1
Name
one billion two hundred eighty-nine million eight hundred eighty-eight thousand nine hundred forty-seven
Scientific notation
1.289888947 × 10^9
Engineering notation
1.289888947 × 10^9
Prime Factorization
1289888947
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
1289888947
Product of the distinct prime numbers
The prime factorization of 1289888947 is 1289888947.
Since it has a total of 1 prime factors.
7 , 5 , 27 , 54 , 300 , 873 , 5855 , 1327 , 78161 , 73552 , 4343 , 263531 , 3375830 , 1130146 , 88258160 , 59170474 , 287405602 , 902494630 , 6315510015 , 8868677252
n×2
2579777894
n×3
3869666841
n×4
5159555788
n×5
6449444735
n÷2
644944473.5
n÷3
429962982.33333
n÷3
322472236.75
n÷5
257977789.4
n2
1663813495592768809
n3
2.1461346378345E+27
n4
2.7682753481166E+36
n5
3.5707677737882E+45
2 √n
35915.023973262
3 √n
1088.5559946035
4 √n
189.51259581691
5 √n
66.391191716002
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
1289888948
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
644944474
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
35915.023987184
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999984495
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1289888947 can be divided by 2 positive divisors.
The sum of these divisors (counting 1289888947) is 1289888948, the average is 644944474.
Base
System
Value
2
Binary
1001100111000100010010010110011
3
Ternary
10022220011010222201
4
Quaternary
1030320202102303
5
Quinary
10120202421242
6
Senary
331554444031
8
Octal
11470422263
10
Decimal
1289888947
12
Duodecimal
2bbb93617
16
Hexadecimal
4ce224b3
20
Vigesimal
1031g277
36
Base36
lbysoj
md5
fedfcd53e6dbc7b62b0cb0472355e385
sha1
8fd77f40fbc567eb2a74e11b72b752fad0b3c700
sha256
431b6221b2d24e28dfb34bde79c87215b8c50673335ecb2994bcc07e53ca8a81
sha512
4505faaa6abfe40cacfe834295c524a5ad73d1bf5e31cdb65e4c5ba126b86d333be529b7db91cf764b4f896fd17b89f287f91ade5268fcaa048f3064437a8278
ripemd-160
ac9e26fcad56ed5db7e5fc05ffa169f2835329b0
Diameter
2579777894
Circumference
8104611279.6837
Area
5.2270242546978E+18
Volume
8.9897077491141E+27
Surface area
2.0908097018791E+19
Circumference
8104611279.6837
Perimeter
5159555788
Area
1663813495592768809
Diagonal
1824178442.8026
Surface area
9.9828809735566E+18
Volume
2.1461346378345E+27
Space diagonal
2234153192.3255
Perimeter
3869666841
Area
7.2045237717136E+17
Altitude
1117076596.1628
Surface area
7.2045237717136E+17
Volume
2.5292439262536E+26
Height
608059480.93418