66878870 is an even 8-digits composite number following 66878869
and preceding 66878871 . In scientific notation, it is written as 6.6878870 × 10^7.
The sum of its digits is 50. It has a total of 4 prime factors and 16 positive divisors.
There are 26673504 positive integers (up to 66878870) that are relatively prime to 66878870.
66878870 has 16 divisors, whose sum is 120733200
The reverse of 66878870 is 07887866
Previous prime number is 349
Is Prime? no Number parity even Number length 8 Sum of Digits 50 Digital Root 5
Name
sixty-six million eight hundred seventy-eight thousand eight hundred seventy
Scientific notation
6.6878870 × 10^7
Engineering notation
6.6878870 × 10^6
Prime Factorization
2 × 5 × 349 × 19163
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
4 Total number of prime factors
rad Radical
66878870 Product of the distinct prime numbers
The prime factorization of 66878870 is 2 × 5 × 349 × 19163.
Since it has a total of 4 prime factors.
10 , 8 , 22 , 8 , 767 , 807 , 9208 , 5961 , 31300 , 18746 , 891724 , 872083 , 3768259 , 4228644 , 83752266 , 64419496 , 502413138 , 144193519 , 6201139129 , 8506361307
n×2
133757740
n×3
200636610
n×4
267515480
n×5
334394350
n÷2
33439435
n÷3
22292956.666667
n÷3
16719717.5
n÷5
13375774
n2
4472783252476900
n3
2.9913468968058E+23
n4
2.0005790023638E+31
n5
1.3379646302382E+39
2 √n8177.9502321792
3 √n405.90989855104
4 √n90.432019949679
5 √n36.733117271525
1 , 2 , 5 , 10 , 349 , 698 , 1745 , 3490 , 19163 , 38326 , 95815 , 191630 , 6687887 , 13375774 , 33439435 , 66878870
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
-66878869 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 66878870 can be divided by 16 positive divisors.
The sum of these divisors (counting 66878870) is 1, the average is 0.0625.
Base
System
Value
2
Binary
11111111000111110110010110
3
Ternary
11122211210120012
4
Quaternary
3333013312112
5
Quinary
114110110440
6
Senary
10345240222
8
Octal
377076626
10
Decimal
66878870
12
Duodecimal
1a493072
16
Hexadecimal
3fc7d96
20
Vigesimal
10hjh3a
36
Base36
13tg2e
md5
d8c085c059dd7febd89d8d1c7acc93c3
sha1
37099eee4132ffcd7b234c5120ce92b0c3cb585c
sha256
0cc389ddac80cfd2087cdc361ec7eda6bc455f4588615e4d9af4e1f91b9a7ef2
sha512
d96b68752ffbb95fce5cd4f60821fcec675bb046bf87fe95a1274899a60c7702ce07343750165e0b24603b5f5a1b4e57c25a98e57c2fd6d5226ae873d513ba61
ripemd-160
a37d2b9f29e12cf828c2ecfb069353f91fbed4f6
Diameter
133757740
Circumference
420212333.34477
Area
1.4051663007081E+16
Volume
1.2530124580458E+24
Surface area
5.6206652028324E+16
Circumference
420212333.34477
Perimeter
267515480
Area
4472783252476900
Diagonal
94581004.990187
Surface area
26836699514861400
Volume
2.9913468968058E+23
Space diagonal
115837600.79279
Perimeter
200636610
Area
1.9367719611333E+15
Altitude
57918800.396397
Surface area
1.9367719611333E+15
Volume
3.5253361260212E+22
Height
31527001.663396