640925901 is an odd 9-digits composite number following 640925900
and preceding 640925902 . In scientific notation, it is written as 6.40925901 × 10^8.
The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors.
There are 329616000 positive integers (up to 640925901) that are relatively prime to 640925901.
640925901 has 16 divisors, whose sum is 717401088
The reverse of 640925901 is 109529046
Previous prime number is 101
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 36
Digital Root 9
Name
six hundred forty million nine hundred twenty-five thousand nine hundred one
Scientific notation
6.40925901 × 10^8
Engineering notation
6.40925901 × 10^6
Prime Factorization
63 × 11 × 101 × 9157
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
640925901
Product of the distinct prime numbers
The prime factorization of 640925901 is 63 × 11 × 101 × 9157.
Since it has a total of 4 prime factors.
3 , 5 , 27 , 14 , 74 , 3 , 6811 , 8605 , 6710 , 92032 , 20661 , 124029 , 1183450 , 2626914 , 6965943 , 32533788 , 201262493 , 555483633 , 439292134 , 4395246414
n×2
1281851802
n×3
1922777703
n×4
2563703604
n×5
3204629505
n÷2
320462950.5
n÷3
213641967
n÷3
160231475.25
n÷5
128185180.2
n2
410786010572661801
n3
2.6328339394448E+26
n4
1.687451464822E+35
n5
1.0815313504848E+44
2 √n
25316.514392783
3 √n
862.18925768714
4 √n
159.11164128618
5 √n
57.724684048112
1 , 11 , 63 , 101 , 693 , 1111 , 6363 , 9157 , 69993 , 100727 , 576891 , 924857 , 6345801 , 10173427 , 58265991 , 640925901
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-640925900
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 640925901 can be divided by 16 positive divisors.
The sum of these divisors (counting 640925901) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110001100111100000011001101
3
Ternary
1122200000102001100
4
Quaternary
212030330003031
5
Quinary
2303034112101
6
Senary
143333133313
8
Octal
4614740315
10
Decimal
640925901
12
Duodecimal
15a78a239
16
Hexadecimal
2633c0cd
20
Vigesimal
a05fef1
36
Base36
all9l9
md5
9e08ae8bfc8fb616c56362f78ab0a0b5
sha1
8a450bb1cc4acd14549085c2c41a89f1f19ceb38
sha256
2349b801dd0771f5cd2c2e24e093f2244114bd922906b6f65daa964b6b864cdf
sha512
8fd6d3bcd1ebf3796ef386f7d52c75439aa550d211895de8162dbcabc3b73fcdc27f97e48c6f5cc917742ebf8c9cf77d25d298ecde5991bed524e7ef80b4b1d9
ripemd-160
0c2bc357cfec0c53293cb1ac158bd858d94b0e35
Diameter
1281851802
Circumference
4027056204.154
Area
1.2905223130125E+18
Volume
1.1028389016375E+27
Surface area
5.1620892520501E+18
Circumference
4027056204.154
Perimeter
2563703604
Area
410786010572661801
Diagonal
906406101.6704
Surface area
2464716063435970806
Volume
2.6328339394448E+26
Space diagonal
1110116224.4189
Perimeter
1922777703
Area
1.7787556033759E+17
Altitude
555058112.20943
Surface area
1.7787556033759E+17
Volume
3.1028245538658E+25
Height
302135367.22347