66878813 is an odd 8-digits prime number following 66878812
and preceding 66878814 . In scientific notation, it is written as 6.6878813 × 10^7.
The sum of its digits is 47. It has a total of 1 prime factors and 2 positive divisors.
There are 66878812 positive integers (up to 66878813) that are relatively prime to 66878813.
66878813 has 2 divisors, whose sum is 66878814
The reverse of 66878813 is 31887866
Previous prime number is 1
Is Prime? yes Number parity odd Number length 8 Sum of Digits 47 Digital Root 2
Name
sixty-six million eight hundred seventy-eight thousand eight hundred thirteen
Scientific notation
6.6878813 × 10^7
Engineering notation
6.6878813 × 10^6
Prime Factorization
66878813
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
66878813 Product of the distinct prime numbers
The prime factorization of 66878813 is 66878813.
Since it has a total of 1 prime factors.
9 , 3 , 91 , 60 , 959 , 151 , 4780 , 3920 , 14733 , 2650 , 973696 , 802462 , 410100 , 6838286 , 46297534 , 37204468 , 399988545 , 40498716 , 4713657100 , 1782492581
n×2
133757626
n×3
200636439
n×4
267515252
n×5
334394065
n÷2
33439406.5
n÷3
22292937.666667
n÷3
16719703.25
n÷5
13375762.6
n2
4472775628288969
n3
2.991339248353E+23
n4
2.0005721821016E+31
n5
1.3379589285977E+39
2 √n8177.9467471976
3 √n405.90978323375
4 √n90.432000681162
5 √n36.73311101009
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
66878814 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
33439407 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
8177.9468083377 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999999700952 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 66878813 can be divided by 2 positive divisors.
The sum of these divisors (counting 66878813) is 66878814, the average is 33439407.
Base
System
Value
2
Binary
11111111000111110101011101
3
Ternary
11122211210111002
4
Quaternary
3333013311131
5
Quinary
114110110223
6
Senary
10345240045
8
Octal
377076535
10
Decimal
66878813
12
Duodecimal
1a493025
16
Hexadecimal
3fc7d5d
20
Vigesimal
10hjh0d
36
Base36
13tg0t
md5
fa78a0a900a1623d62cce058db72184f
sha1
2c457a951db1805c128828c530492491f7930a4a
sha256
667016791b64a08cc7a2cd64375de0170bf87b252e354db127a7f9947d2af32f
sha512
892510cd85151a690db835fa78fc6351e61391e21a3014bd784c9c49122e1931db1c64cb73f026677272f6a9a27bf8e48f8acabe462dd37e4e0dab3de89c7ca3
ripemd-160
8abec22ebfdd8ac6e5bb72e53ecb4a18c20a63fc
Diameter
133757626
Circumference
420211975.20321
Area
1.4051639054988E+16
Volume
1.2530092542694E+24
Surface area
5.6206556219952E+16
Circumference
420211975.20321
Perimeter
267515252
Area
4472775628288969
Diagonal
94580924.380014
Surface area
26836653769733814
Volume
2.991339248353E+23
Space diagonal
115837502.0659
Perimeter
200636439
Area
1.9367686597631E+15
Altitude
57918751.032949
Surface area
1.9367686597631E+15
Volume
3.5253271122331E+22
Height
31526974.793338