641998907 is an odd 9-digits composite number following 641998906
and preceding 641998908 . In scientific notation, it is written as 6.41998907 × 10^8.
The sum of its digits is 53. It has a total of 2 prime factors and 4 positive divisors.
There are 583635360 positive integers (up to 641998907) that are relatively prime to 641998907.
641998907 has 4 divisors, whose sum is 700362456
The reverse of 641998907 is 709899146
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 53
Digital Root 8
Name
six hundred forty-one million nine hundred ninety-eight thousand nine hundred seven
Scientific notation
6.41998907 × 10^8
Engineering notation
6.41998907 × 10^6
Prime Factorization
11 × 58363537
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
641998907
Product of the distinct prime numbers
The prime factorization of 641998907 is 11 × 58363537.
Since it has a total of 2 prime factors.
10 , 7 , 63 , 25 , 404 , 52 , 2607 , 1721 , 88877 , 72357 , 796576 , 609370 , 7975912 , 894315 , 43231607 , 95495645 , 677909637 , 768837452 , 4753305284 , 7861799740
n×2
1283997814
n×3
1925996721
n×4
2567995628
n×5
3209994535
n÷2
320999453.5
n÷3
213999635.66667
n÷3
160499726.75
n÷5
128399781.4
n2
412162596589194649
n3
2.6460793651654E+26
n4
1.6987800602715E+35
n5
1.0906149419277E+44
2 √n
25337.697349996
3 √n
862.67013410552
4 √n
159.17819370126
5 √n
57.743999072151
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
-641998906
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 641998907 can be divided by 4 positive divisors.
The sum of these divisors (counting 641998907) is 1, the average is 0.25.
Base
System
Value
2
Binary
100110010001000010000000111011
3
Ternary
1122202000220221022
4
Quaternary
212101002000323
5
Quinary
2303322431112
6
Senary
143412133055
8
Octal
4621020073
10
Decimal
641998907
12
Duodecimal
15b00718b
16
Hexadecimal
2644203b
20
Vigesimal
a0c9h57
36
Base36
am89iz
md5
e054379c0b2b86a9a59abdf6b3b01a4c
sha1
c02bea13a32bceed11fccac3b77e55b158f6f793
sha256
7c85d04c741f36de3434e6f4451e145c241444ecbbaeec3c457835a62e8a52a6
sha512
b39d14a4c72d74346fca179e67eb1ef48628b25394c4c4d14a034154d34bcde45f20db916fadc38293e2f2b45295e463829dc52ae838eea2c563368119821478
ripemd-160
52ad43339b50a5b68f33cac136c0b179ede922ce
Diameter
1283997814
Circumference
4033798099.6878
Area
1.2948469855291E+18
Volume
1.1083871325892E+27
Surface area
5.1793879421164E+18
Circumference
4033798099.6878
Perimeter
2567995628
Area
412162596589194649
Diagonal
907923561.3081
Surface area
2472975579535167894
Volume
2.6460793651654E+26
Space diagonal
1111974725.3277
Perimeter
1925996721
Area
1.78471639568E+17
Altitude
555987362.66384
Surface area
1.78471639568E+17
Volume
3.1184344377771E+25
Height
302641187.1027