642912697 is an odd 9-digits composite number following 642912696
and preceding 642912698 . In scientific notation, it is written as 6.42912697 × 10^8.
The sum of its digits is 46. It has a total of 2 prime factors and 4 positive divisors.
There are 551068020 positive integers (up to 642912697) that are relatively prime to 642912697.
642912697 has 4 divisors, whose sum is 734757376
The reverse of 642912697 is 796219246
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 46
Digital Root 1
Name
six hundred forty-two million nine hundred twelve thousand six hundred ninety-seven
Scientific notation
6.42912697 × 10^8
Engineering notation
6.42912697 × 10^6
Prime Factorization
7 × 91844671
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
642912697
Product of the distinct prime numbers
The prime factorization of 642912697 is 7 × 91844671.
Since it has a total of 2 prime factors.
5 , 3 , 26 , 42 , 19 , 834 , 6845 , 8254 , 79738 , 50814 , 435172 , 580796 , 6559142 , 5274183 , 45295190 , 96486925 , 79946515 , 937373853 , 3773473091 , 8153820411
n×2
1285825394
n×3
1928738091
n×4
2571650788
n×5
3214563485
n÷2
321456348.5
n÷3
214304232.33333
n÷3
160728174.25
n÷5
128582539.4
n2
413336735963813809
n3
2.6573943568767E+26
n4
1.7084725729722E+35
n5
1.0983987096401E+44
2 √n
25355.723160659
3 √n
863.07923429751
4 √n
159.23480511703
5 √n
57.760427720925
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
-642912696
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 642912697 can be divided by 4 positive divisors.
The sum of these divisors (counting 642912697) is 1, the average is 0.25.
Base
System
Value
2
Binary
100110010100100001000110111001
3
Ternary
1122210202100102101
4
Quaternary
212110201012321
5
Quinary
2304041201242
6
Senary
143443503401
8
Octal
4624410671
10
Decimal
642912697
12
Duodecimal
15b387b61
16
Hexadecimal
265211b9
20
Vigesimal
a0i41eh
36
Base36
amrum1
md5
157b534754a4aa32e97e17bc132656d4
sha1
f4254de1b2c523a46dcea294ef31487f29b080bc
sha256
b3730c37eddc5cec1ba23e01fa4f3b7ac0f3869b5c6cf499a91fe4c3ededfe08
sha512
9912bd95a64cf5f932122392077181b536b3781892f480dbd70067a22dad4582151ee0bcdf74161258ece8919b7df6a1d7fb5aa37b57db82ad0c4cad7064aea6
ripemd-160
3f46fcbb31e619e6ccbfa1ab6210bdd935b35463
Diameter
1285825394
Circumference
4039539611.5896
Area
1.2985356531627E+18
Volume
1.113126745234E+27
Surface area
5.1941426126508E+18
Circumference
4039539611.5896
Perimeter
2571650788
Area
413336735963813809
Diagonal
909215855.51926
Surface area
2480020415782882854
Volume
2.6573943568767E+26
Space diagonal
1113557456.0351
Perimeter
1928738091
Area
1.78980056831E+17
Altitude
556778728.01757
Surface area
1.78980056831E+17
Volume
3.1317692833907E+25
Height
303071951.83975