642118977 is an odd 9-digits composite number following 642118976
and preceding 642118978 . In scientific notation, it is written as 6.42118977 × 10^8.
The sum of its digits is 45. It has a total of 3 prime factors and 8 positive divisors.
There are 426208608 positive integers (up to 642118977) that are relatively prime to 642118977.
642118977 has 8 divisors, whose sum is 716583400
The reverse of 642118977 is 779811246
Previous prime number is 229
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 45
Digital Root 9
Name
six hundred forty-two million one hundred eighteen thousand nine hundred seventy-seven
Scientific notation
6.42118977 × 10^8
Engineering notation
6.42118977 × 10^6
Prime Factorization
9 × 229 × 311557
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
642118977
Product of the distinct prime numbers
The prime factorization of 642118977 is 9 × 229 × 311557.
Since it has a total of 3 prime factors.
8 , 6 , 6 , 88 , 491 , 443 , 9400 , 5325 , 85111 , 97565 , 301985 , 231973 , 9568244 , 8094692 , 20532066 , 98181733 , 518968068 , 32179344 , 5387276671 , 6982664861
n×2
1284237954
n×3
1926356931
n×4
2568475908
n×5
3210594885
n÷2
321059488.5
n÷3
214039659
n÷3
160529744.25
n÷5
128423795.4
n2
412316780623526529
n3
2.6475642937391E+26
n4
1.7000512758375E+35
n5
1.0916351860883E+44
2 √n
25340.066633693
3 √n
862.72391111621
4 √n
159.18563576433
5 √n
57.746158827649
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-642118976
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 642118977 can be divided by 8 positive divisors.
The sum of these divisors (counting 642118977) is 1, the average is 0.125.
Base
System
Value
2
Binary
100110010001011111010101000001
3
Ternary
1122202021000122100
4
Quaternary
212101133111001
5
Quinary
2303340301402
6
Senary
143414501013
8
Octal
4621372501
10
Decimal
642118977
12
Duodecimal
15b064769
16
Hexadecimal
2645f541
20
Vigesimal
a0d4h8h
36
Base36
amau69
md5
5724554e9c1d1a72a215218958dad650
sha1
963849e2ca4001fa19d505e681421cd2eda56aa1
sha256
80a89345863d465aba553ac3f9b6a97f5937bdae8c4689a29189d0e278f5d364
sha512
a7fb2875c15a142a0bbd8ad224ba245dfb2c20e885b9dd4b924b1e753d67065c5c72980458f7b1793f7d9976fb1962c38d2f806e9f2f706ed44846a8c4147dfa
ripemd-160
ce661736e8dac4008e33337f3edd6a819d9441a1
Diameter
1284237954
Circumference
4034552521.7476
Area
1.2953313689587E+18
Volume
1.1090091380157E+27
Surface area
5.1813254758347E+18
Circumference
4034552521.7476
Perimeter
2568475908
Area
412316780623526529
Diagonal
908093365.93054
Surface area
2473900683741159174
Volume
2.6475642937391E+26
Space diagonal
1112182692.6682
Perimeter
1926356931
Area
1.7853840321329E+17
Altitude
556091346.33408
Surface area
1.7853840321329E+17
Volume
3.1201844428838E+25
Height
302697788.64351