645048907 is an odd 9-digits composite number following 645048906
and preceding 645048908 . In scientific notation, it is written as 6.45048907 × 10^8.
The sum of its digits is 43. It has a total of 2 prime factors and 4 positive divisors.
There are 643856040 positive integers (up to 645048907) that are relatively prime to 645048907.
645048907 has 4 divisors, whose sum is 646241776
The reverse of 645048907 is 709840546
Previous prime number is 541
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 43
Digital Root 7
Name
six hundred forty-five million forty-eight thousand nine hundred seven
Scientific notation
6.45048907 × 10^8
Engineering notation
6.45048907 × 10^6
Prime Factorization
541 × 1192327
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
645048907
Product of the distinct prime numbers
The prime factorization of 645048907 is 541 × 1192327.
Since it has a total of 2 prime factors.
9 , 6 , 17 , 17 , 273 , 763 , 1823 , 2503 , 99636 , 95879 , 865425 , 542396 , 2976690 , 7193878 , 86534629 , 5417277 , 550054648 , 836027784 , 7153504691 , 9421050357
n×2
1290097814
n×3
1935146721
n×4
2580195628
n×5
3225244535
n÷2
322524453.5
n÷3
215016302.33333
n÷3
161262226.75
n÷5
129009781.4
n2
416088092421894649
n3
2.6839716923246E+26
n4
1.7312930065529E+35
n5
1.1167686615737E+44
2 √n
25397.813035771
3 √n
864.03409707329
4 √n
159.36691324039
5 √n
57.798760992828
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
-645048906
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 645048907 can be divided by 4 positive divisors.
The sum of these divisors (counting 645048907) is 1, the average is 0.25.
Base
System
Value
2
Binary
100110011100101010101001001011
3
Ternary
1122221202212202021
4
Quaternary
212130222221023
5
Quinary
2310113031112
6
Senary
144001345311
8
Octal
4634525113
10
Decimal
645048907
12
Duodecimal
160038237
16
Hexadecimal
2672aa4b
20
Vigesimal
a1bb257
36
Base36
ao1mx7
md5
c9d88522bba1aa6e92af525d07f8921b
sha1
abc977b18f93cef1244894813f69f5a233984a6e
sha256
2d809ff3fd19023a9ad0c43f6199b8b9af4752c9b6d602ca5b36c87c7e5e8e47
sha512
6440686176d94c2266795ea105f27847b286a6d6aea69d1a04f9feca41410c2c6dfa2711800ab284fb24b9a3b6d35085890a039d41bf13127736f17dd4b1d435
ripemd-160
02afaaac3fb57eb09888b5f40f16c7b132362924
Diameter
1290097814
Circumference
4052961814.8747
Area
1.3071792943988E+18
Volume
1.1242594334733E+27
Surface area
5.2287171775953E+18
Circumference
4052961814.8747
Perimeter
2580195628
Area
416088092421894649
Diagonal
912236912.67334
Surface area
2496528554531367894
Volume
2.6839716923246E+26
Space diagonal
1117257480.2908
Perimeter
1935146721
Area
1.8017142912478E+17
Altitude
558628740.14539
Surface area
1.8017142912478E+17
Volume
3.1630909735924E+25
Height
304078970.89111