68778898 is an even 8-digits composite number following 68778897
and preceding 68778899 . In scientific notation, it is written as 6.8778898 × 10^7.
The sum of its digits is 61. It has a total of 3 prime factors and 8 positive divisors.
There are 32579460 positive integers (up to 68778898) that are relatively prime to 68778898.
68778898 has 8 divisors, whose sum is 108598320
The reverse of 68778898 is 89887786
Previous prime number is 19
Is Prime? no
Number parity even
Number length 8
Sum of Digits 61
Digital Root 7
Name
sixty-eight million seven hundred seventy-eight thousand eight hundred ninety-eight
Scientific notation
6.8778898 × 10^7
Engineering notation
6.8778898 × 10^6
Prime Factorization
2 × 19 × 1809971
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
68778898
Product of the distinct prime numbers
The prime factorization of 68778898 is 2 × 19 × 1809971.
Since it has a total of 3 prime factors.
2 , 5 , 90 , 40 , 179 , 364 , 1691 , 4511 , 33129 , 76587 , 484812 , 124304 , 318547 , 5616794 , 1396448 , 32914323 , 166287999 , 829993511 , 6964489085 , 5137221833
n×2
137557796
n×3
206336694
n×4
275115592
n×5
343894490
n÷2
34389449
n÷3
22926299.333333
n÷3
17194724.5
n÷5
13755779.6
n2
4730536810094404
n3
3.2536110874673E+23
n4
2.2377978511658E+31
n5
1.5391327014995E+39
2 √n
8293.3044077738
3 √n
409.71802543237
4 √n
91.067581541259
5 √n
36.939502546297
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
-68778897
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 68778898 can be divided by 8 positive divisors.
The sum of these divisors (counting 68778898) is 1, the average is 0.125.
Base
System
Value
2
Binary
100000110010111101110010010
3
Ternary
11210102022220121
4
Quaternary
10012113232102
5
Quinary
120101411043
6
Senary
10454100454
8
Octal
406275622
10
Decimal
68778898
12
Duodecimal
1b04a72a
16
Hexadecimal
4197b92
20
Vigesimal
119h74i
36
Base36
14y64y
md5
a12e09e16e42819becbbd278b9b399bb
sha1
4b8270f85ae260a46eab5e127ce0442d2cc50176
sha256
ae0994b8f69741779216fcca16fbf11312fc2f8beac1f722963ca715762562e7
sha512
88773a8250260c2e359d88690dc9ce5a39cfbaf671a19e193b58a2205e4fc6be6aef38d6e92202d0349b7dc57cfed722b7a72d4b1270d5240c084b5b43a284ff
ripemd-160
d2d5775e603b4a346600866abbcb2a177ec139cb
Diameter
137557796
Circumference
432150561.3576
Area
1.4861419690129E+16
Volume
1.3628694253367E+24
Surface area
5.9445678760515E+16
Circumference
432150561.3576
Perimeter
275115592
Area
4730536810094404
Diagonal
97268050.356676
Surface area
28383220860566424
Volume
3.2536110874673E+23
Space diagonal
119128545.8246
Perimeter
206336694
Area
2.0483825255396E+15
Altitude
59564272.912299
Surface area
2.0483825255396E+15
Volume
3.8344174388198E+22
Height
32422683.452225