640977980 is an even 9-digits composite number following 640977979
and preceding 640977981 . In scientific notation, it is written as 6.40977980 × 10^8.
The sum of its digits is 50. It has a total of 4 prime factors and 12 positive divisors.
There are 256391184 positive integers (up to 640977980) that are relatively prime to 640977980.
640977980 has 12 divisors, whose sum is 1346053800
The reverse of 640977980 is 089779046
Previous prime number is 5
Is Prime? no Number parity even Number length 9 Sum of Digits 50 Digital Root 5
Name
six hundred forty million nine hundred seventy-seven thousand nine hundred eighty
Scientific notation
6.40977980 × 10^8
Engineering notation
6.40977980 × 10^6
Prime Factorization
2 × 2 × 5 × 32048899
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
4 Total number of prime factors
rad Radical
320488990 Product of the distinct prime numbers
The prime factorization of 640977980 is 2 × 2 × 5 × 32048899.
Since it has a total of 4 prime factors.
7 , 10 , 2 , 72 , 152 , 78 , 1104 , 7385 , 25935 , 27206 , 610661 , 358899 , 3112617 , 3394531 , 2838540 , 31437252 , 810399797 , 697084982 , 2707627112 , 819901403
n×2
1281955960
n×3
1922933940
n×4
2563911920
n×5
3204889900
n÷2
320488990
n÷3
213659326.66667
n÷3
160244495
n÷5
128195596
n2
410852770844880400
n3
2.6334757913355E+26
n4
1.6879999931092E+35
n5
1.0819708258231E+44
2 √n25317.542929755
3 √n862.21260970446
4 √n159.11487337693
5 √n57.725622111657
1 , 2 , 4 , 5 , 10 , 20 , 32048899 , 64097798 , 128195596 , 160244495 , 320488990 , 640977980
12 divisors
τ Total Divisors
12 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-640977979 Sum of the proper positive divisors of n
A Arithmetic Mean
0.083333333333333 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
12 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 640977980 can be divided by 12 positive divisors.
The sum of these divisors (counting 640977980) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100110001101001000110000111100
3
Ternary
1122200010001111012
4
Quaternary
212031020300330
5
Quinary
2303042243410
6
Senary
143334214352
8
Octal
4615106074
10
Decimal
640977980
12
Duodecimal
15a7b43b8
16
Hexadecimal
26348c3c
20
Vigesimal
a0624j0
36
Base36
almdrw
md5
867d700b82e53cee9b05499517f73e29
sha1
314affe1baaba2cd2e38baae66dd75e141e98e7f
sha256
f5a1adfb13f855fa6c0b0877cc59555946f08bc06129b94a3c5d4434f2fe5b5a
sha512
f263a9d394a646ba8eec89ce4d7b5d5fe3ce1b3a5cc7b3660c3fa5ff77b32ce313f2bd6fe423f58e2fecff364a289dcc23d8c4d620a1e75c792fe988cc322c9c
ripemd-160
ed98a011bfae32439a976f6d1b89f4fe16894fed
Diameter
1281955960
Circumference
4027383426.1617
Area
1.2907320465933E+18
Volume
1.1031077599288E+27
Surface area
5.1629281863731E+18
Circumference
4027383426.1617
Perimeter
2563911920
Area
410852770844880400
Diagonal
906479752.49851
Surface area
2465116625069282400
Volume
2.6334757913355E+26
Space diagonal
1110206427.8929
Perimeter
1922933940
Area
1.7790446838345E+17
Altitude
555103213.94643
Surface area
1.7790446838345E+17
Volume
3.1035809835733E+25
Height
302159917.4995