678742990 is an even 9-digits composite number following 678742989
and preceding 678742991 . In scientific notation, it is written as 6.78742990 × 10^8.
The sum of its digits is 52. It has a total of 3 prime factors and 8 positive divisors.
There are 271497192 positive integers (up to 678742990) that are relatively prime to 678742990.
678742990 has 8 divisors, whose sum is 1221737400
The reverse of 678742990 is 099247876
Previous prime number is 5
Is Prime? no
Number parity even
Number length 9
Sum of Digits 52
Digital Root 7
Name
six hundred seventy-eight million seven hundred forty-two thousand nine hundred ninety
Scientific notation
6.78742990 × 10^8
Engineering notation
6.78742990 × 10^6
Prime Factorization
2 × 5 × 67874299
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
678742990
Product of the distinct prime numbers
The prime factorization of 678742990 is 2 × 5 × 67874299.
Since it has a total of 3 prime factors.
9 , 3 , 87 , 93 , 278 , 781 , 6663 , 780 , 63290 , 25795 , 998562 , 913885 , 8928979 , 3231990 , 75589647 , 34656053 , 801346296 , 857878791 , 3971291169 , 9739721408
n×2
1357485980
n×3
2036228970
n×4
2714971960
n×5
3393714950
n÷2
339371495
n÷3
226247663.33333
n÷3
169685747.5
n÷5
135748598
n2
460692046474140100
n3
3.1269149709308E+26
n4
2.1223716168453E+35
n5
1.4405448571087E+44
2 √n
26052.696405555
3 √n
878.82375130268
4 √n
161.40847687019
5 √n
58.390349054985
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
-678742989
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 678742990 can be divided by 8 positive divisors.
The sum of these divisors (counting 678742990) is 1, the average is 0.125.
Base
System
Value
2
Binary
101000011101001100101111001110
3
Ternary
1202022011201100021
4
Quaternary
220131030233032
5
Quinary
2342224233430
6
Senary
151203452354
8
Octal
5035145716
10
Decimal
678742990
12
Duodecimal
16b3870ba
16
Hexadecimal
2874cbce
20
Vigesimal
ac22h9a
36
Base36
b83tfy
md5
fb543905db49bd4646f9c09295db14f2
sha1
63326aed8d4e8f1d972f21ececa9cbd1366e365b
sha256
250321a0175d91a335091d2ce7b42435ae45e43abf510e54c7ae38d8033a1828
sha512
86943090720037be4d4d19526f861dc2b49d34300489fd38782c97f107348daf6cf9d295504f2537928eadfee2ea0c5ff2d8d34b5b815821a254fb08b8c0494a
ripemd-160
6fb057a1fefd6167e5fe685797f379ae9f2269a5
Diameter
1357485980
Circumference
4264667982.1191
Area
1.4473067487704E+18
Volume
1.3097990801435E+27
Surface area
5.7892269950816E+18
Circumference
4264667982.1191
Perimeter
2714971960
Area
460692046474140100
Diagonal
959887541.82367
Surface area
2764152278844840600
Volume
3.1269149709308E+26
Space diagonal
1175617343.9612
Perimeter
2036228970
Area
1.9948550778402E+17
Altitude
587808671.98061
Surface area
1.9948550778402E+17
Volume
3.6851046335648E+25
Height
319962513.94122