1290370945 is an odd 10-digits composite number following 1290370944
and preceding 1290370946 . In scientific notation, it is written as 1.290370945 × 10^9.
The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors.
There are 1032296752 positive integers (up to 1290370945) that are relatively prime to 1290370945.
1290370945 has 4 divisors, whose sum is 1548445140
The reverse of 1290370945 is 5490730921
Previous prime number is 5
Is Prime? no Number parity odd Number length 10 Sum of Digits 40 Digital Root 4
Name
one billion two hundred ninety million three hundred seventy thousand nine hundred forty-five
Scientific notation
1.290370945 × 10^9
Engineering notation
1.290370945 × 10^9
Prime Factorization
5 × 258074189
Composite number
ω Distinct Factors
2 Total number of distinct prime factors
Ω Total Factors
2 Total number of prime factors
rad Radical
1290370945 Product of the distinct prime numbers
The prime factorization of 1290370945 is 5 × 258074189.
Since it has a total of 2 prime factors.
8 , 5 , 5 , 12 , 978 , 430 , 8973 , 4205 , 89006 , 94768 , 415171 , 128028 , 7370724 , 3111924 , 69685805 , 5326486 , 18103480 , 289299745 , 9242061321 , 8597008515
n×2
2580741890
n×3
3871112835
n×4
5161483780
n×5
6451854725
n÷2
645185472.5
n÷3
430123648.33333
n÷3
322592736.25
n÷5
258074189
n2
1665057175700193025
n3
2.1485414012873E+27
n4
2.7724153983507E+36
n5
3.5774442775023E+45
2 √n35921.733602375
3 √n1088.6915660866
4 √n189.53029732044
5 √n66.396152707362
4 divisors
τ Total Divisors
4 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-1290370944 Sum of the proper positive divisors of n
A Arithmetic Mean
0.25 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
4 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1290370945 can be divided by 4 positive divisors.
The sum of these divisors (counting 1290370945) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100111010010111111110000001
3
Ternary
10022221001122011111
4
Quaternary
1030322113332001
5
Quinary
10120313332240
6
Senary
332013043321
8
Octal
11472277601
10
Decimal
1290370945
12
Duodecimal
300186541
16
Hexadecimal
4ce97f81
20
Vigesimal
1034g775
36
Base36
lc94ld
md5
2aadf72cd2d0b5bc6e59f24f8fbb6e72
sha1
61875547ba846bcd4e90baccc32d294341b872ea
sha256
38674e4fee49e273e40b4d362dca2b56ae8aec135c5fb3be4c35b1ce8b824b1d
sha512
fd0df9abee60d457791d5a107b8bacd1516b86784bf371b4afeaa90f85296c13399cd2c24b7991eceafcc821961d9a8abf19f4330d8cd58d60b45896d342ef05
ripemd-160
e7a952ef41d86c67cdfac6ae4a8770d42afb3b6b
Diameter
2580741890
Circumference
8107639762.4354
Area
5.2309313909867E+18
Volume
8.9997891762902E+27
Surface area
2.0923725563947E+19
Circumference
8107639762.4354
Perimeter
5161483780
Area
1665057175700193025
Diagonal
1824860090.9112
Surface area
9.9903430542012E+18
Volume
2.1485414012873E+27
Space diagonal
2234988037.3507
Perimeter
3871112835
Area
7.2099090645497E+17
Altitude
1117494018.6753
Surface area
7.2099090645497E+17
Volume
2.5320803241838E+26
Height
608286696.9704