642912694 is an even 9-digits composite number following 642912693
and preceding 642912695 . In scientific notation, it is written as 6.42912694 × 10^8.
The sum of its digits is 43. It has a total of 4 prime factors and 16 positive divisors.
There are 313616520 positive integers (up to 642912694) that are relatively prime to 642912694.
642912694 has 16 divisors, whose sum is 987940800
The reverse of 642912694 is 496219246
Previous prime number is 971
Is Prime? no
Number parity even
Number length 9
Sum of Digits 43
Digital Root 7
Name
six hundred forty-two million nine hundred twelve thousand six hundred ninety-four
Scientific notation
6.42912694 × 10^8
Engineering notation
6.42912694 × 10^6
Prime Factorization
2 × 43 × 971 × 7699
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
642912694
Product of the distinct prime numbers
The prime factorization of 642912694 is 2 × 43 × 971 × 7699.
Since it has a total of 4 prime factors.
3 , 5 , 67 , 72 , 183 , 301 , 6813 , 6991 , 18086 , 36495 , 698087 , 993795 , 8675885 , 5647119 , 6588301 , 70223320 , 478501151 , 521591465 , 9293272774 , 3333797819
n×2
1285825388
n×3
1928738082
n×4
2571650776
n×5
3214563470
n÷2
321456347
n÷3
214304231.33333
n÷3
160728173.5
n÷5
128582538.8
n2
413336732106337636
n3
2.6573943196764E+26
n4
1.7084725410835E+35
n5
1.098398684013E+44
2 √n
25355.723101501
3 √n
863.07923295506
4 √n
159.23480493127
5 √n
57.76042766702
1 , 2 , 43 , 86 , 971 , 1942 , 7699 , 15398 , 41753 , 83506 , 331057 , 662114 , 7475729 , 14951458 , 321456347 , 642912694
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
-642912693
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 642912694 can be divided by 16 positive divisors.
The sum of these divisors (counting 642912694) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110010100100001000110110110
3
Ternary
1122210202100102021
4
Quaternary
212110201012312
5
Quinary
2304041201234
6
Senary
143443503354
8
Octal
4624410666
10
Decimal
642912694
12
Duodecimal
15b387b5a
16
Hexadecimal
265211b6
20
Vigesimal
a0i41ee
36
Base36
amruly
md5
842ba15ef6fd26de052e5e2ab55377d0
sha1
a0c394c943dbd9343f65d3a41b7c0c99522c9d05
sha256
515338ca7ce2ede9b181005125b6c7262a9ab3e37ed2e2a4f7e35dc31cedcc8a
sha512
6c5caa0fbfb38092b0ef9ccca777db82edb7df87f6d7ebc3ad58328cded6d21666e04d3f31fb5c320db20f0b1389d49fb27b6c4ed411a2efd0ed1023aaa3c2ff
ripemd-160
2e63c20d2c94b609a475d69d8bd9606873e7ddfb
Diameter
1285825388
Circumference
4039539592.74
Area
1.2985356410441E+18
Volume
1.1131267296516E+27
Surface area
5.1941425641763E+18
Circumference
4039539592.74
Perimeter
2571650776
Area
413336732106337636
Diagonal
909215851.27662
Surface area
2480020392638025816
Volume
2.6573943196764E+26
Space diagonal
1113557450.839
Perimeter
1928738082
Area
1.7898005516067E+17
Altitude
556778725.41949
Surface area
1.7898005516067E+17
Volume
3.1317692395497E+25
Height
303071950.42554