642765213 is an odd 9-digits composite number following 642765212
and preceding 642765214 . In scientific notation, it is written as 6.42765213 × 10^8.
The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors.
There are 428162112 positive integers (up to 642765213) that are relatively prime to 642765213.
642765213 has 16 divisors, whose sum is 889483840
The reverse of 642765213 is 312567246
Previous prime number is 4789
Is Prime? no Number parity odd Number length 9 Sum of Digits 36 Digital Root 9
Name
six hundred forty-two million seven hundred sixty-five thousand two hundred thirteen
Scientific notation
6.42765213 × 10^8
Engineering notation
6.42765213 × 10^6
Prime Factorization
27 × 3 × 4789 × 1657
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
4 Total number of prime factors
rad Radical
642765213 Product of the distinct prime numbers
The prime factorization of 642765213 is 27 × 3 × 4789 × 1657.
Since it has a total of 4 prime factors.
8 , 6 , 48 , 7 , 141 , 427 , 7483 , 3206 , 51344 , 44288 , 899022 , 215395 , 8415939 , 7103083 , 40225196 , 86838816 , 581900420 , 831162983 , 9276590501 , 4867442870
n×2
1285530426
n×3
1928295639
n×4
2571060852
n×5
3213826065
n÷2
321382606.5
n÷3
214255071
n÷3
160691303.25
n÷5
128553042.6
n2
413147119042935369
n3
2.6555659597197E+26
n4
1.7069054197348E+35
n5
1.0971394256867E+44
2 √n25352.814695808
3 √n863.01323253549
4 √n159.22567222596
5 √n57.757777432403
1 , 3 , 27 , 81 , 1657 , 4789 , 4971 , 14367 , 44739 , 129303 , 134217 , 387909 , 7935373 , 23806119 , 214255071 , 642765213
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
-642765212 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 642765213 can be divided by 16 positive divisors.
The sum of these divisors (counting 642765213) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110010011111101000110011101
3
Ternary
1122210110212010000
4
Quaternary
212103331012131
5
Quinary
2304021441323
6
Senary
143440404513
8
Octal
4623750635
10
Decimal
642765213
12
Duodecimal
15b316739
16
Hexadecimal
264fd19d
20
Vigesimal
a0h5d0d
36
Base36
amoot9
md5
a7a679271b3d6fa42a7258c3a50158e6
sha1
f9a18689064481791305c2ad8091e43b410c1cb7
sha256
b54e2e6d7b088ad2c86d6b232a8281f7b80b7ad7250f98b94d332068904ed29c
sha512
c3b40a20ec6b54797d3530824b4c27c1430a4cf11e2c16e12964c8387487712b3f4642000be71fc174e6c2ea99daa7deb6c987a441fb11456a167481a6d95566
ripemd-160
14524a57d4599ed672639dc7ad0277f9d1998159
Diameter
1285530426
Circumference
4038612942.2878
Area
1.2979399540371E+18
Volume
1.1123608680238E+27
Surface area
5.1917598161483E+18
Circumference
4038612942.2878
Perimeter
2571060852
Area
413147119042935369
Diagonal
909007281.64623
Surface area
2478882714257612214
Volume
2.6555659597197E+26
Space diagonal
1113302006.2538
Perimeter
1928295639
Area
1.7889795029577E+17
Altitude
556651003.12692
Surface area
1.7889795029577E+17
Volume
3.1296144966766E+25
Height
303002427.21541