642723980 is an even 9-digits composite number following 642723979
and preceding 642723981 . In scientific notation, it is written as 6.42723980 × 10^8.
The sum of its digits is 41. It has a total of 5 prime factors and 24 positive divisors.
There are 256677120 positive integers (up to 642723980) that are relatively prime to 642723980.
642723980 has 24 divisors, whose sum is 1351885920
The reverse of 642723980 is 089327246
Previous prime number is 631
Is Prime? no
Number parity even
Number length 9
Sum of Digits 41
Digital Root 5
Name
six hundred forty-two million seven hundred twenty-three thousand nine hundred eighty
Scientific notation
6.42723980 × 10^8
Engineering notation
6.42723980 × 10^6
Prime Factorization
2 × 2 × 5 × 631 × 50929
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
321361990
Product of the distinct prime numbers
The prime factorization of 642723980 is 2 × 2 × 5 × 631 × 50929.
Since it has a total of 5 prime factors.
7 , 2 , 66 , 32 , 752 , 137 , 4699 , 9463 , 26216 , 42409 , 424946 , 938122 , 5511135 , 214943 , 35710143 , 68087340 , 135848463 , 929573363 , 3500718440 , 4648466666
n×2
1285447960
n×3
1928171940
n×4
2570895920
n×5
3213619900
n÷2
321361990
n÷3
214241326.66667
n÷3
160680995
n÷5
128544796
n2
413094114467040400
n3
2.6550549336483E+26
n4
1.7064674740731E+35
n5
1.0967875666768E+44
2 √n
25352.001498896
3 √n
862.99477821508
4 √n
159.22311860686
5 √n
57.757036388084
1 , 2 , 4 , 5 , 10 , 20 , 631 , 1262 , 2524 , 3155 , 6310 , 12620 , 50929 , 101858 , 203716 , 254645 , 509290 , 1018580 , 32136199 , 64272398 , 128544796 , 160680995 , 321361990 , 642723980
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-642723979
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 642723980 can be divided by 24 positive divisors.
The sum of these divisors (counting 642723980) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
100110010011110011000010001100
3
Ternary
1122210101202112212
4
Quaternary
212103303002030
5
Quinary
2304014131410
6
Senary
143435445552
8
Octal
4623630214
10
Decimal
642723980
12
Duodecimal
15b2b68b8
16
Hexadecimal
264f308c
20
Vigesimal
a0h09j0
36
Base36
amnszw
md5
3f379a95bd1fea6113107b5d3771d736
sha1
57b0c5e7d28f1c64700a9e7d35a720c312f88c86
sha256
6a7aa6660925569f80e9674ad11d390f118c80c933d4ca49af4932a8b558413b
sha512
4432f419abc0f29822596a8664d79959657e21e637824d5dc353b7bb339e44079cca9193dc642e70160633c8c1111aa398d418e75dfd62a38b9bfdd2b334d58b
ripemd-160
f3007255d00762d7e19b07e7e0388b618b338e02
Diameter
1285447960
Circumference
4038353867.708
Area
1.2977734352508E+18
Volume
1.1121468099236E+27
Surface area
5.1910937410033E+18
Circumference
4038353867.708
Perimeter
2570895920
Area
413094114467040400
Diagonal
908948969.37841
Surface area
2478564686802242400
Volume
2.6550549336483E+26
Space diagonal
1113230588.6029
Perimeter
1928171940
Area
1.7887499864115E+17
Altitude
556615294.30144
Surface area
1.7887499864115E+17
Volume
3.1290122466759E+25
Height
302982989.7928