67681208 is an even 8-digits composite number following 67681207
and preceding 67681209 . In scientific notation, it is written as 6.7681208 × 10^7.
The sum of its digits is 38. It has a total of 6 prime factors and 32 positive divisors.
There are 28529280 positive integers (up to 67681208) that are relatively prime to 67681208.
67681208 has 32 divisors, whose sum is 147416160
The reverse of 67681208 is 80218676
Previous prime number is 61
Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2
Name
sixty-seven million six hundred eighty-one thousand two hundred eight
Scientific notation
6.7681208 × 10^7
Engineering notation
6.7681208 × 10^6
Prime Factorization
2 × 2 × 2 × 7 × 61 × 19813
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
16920302
Product of the distinct prime numbers
The prime factorization of 67681208 is 2 × 2 × 2 × 7 × 61 × 19813.
Since it has a total of 6 prime factors.
8 , 7 , 49 , 40 , 616 , 494 , 4347 , 954 , 36024 , 23473 , 52533 , 437954 , 5052982 , 9195402 , 96778803 , 96715491 , 912932921 , 848429699 , 841778867 , 3353086017
n×2
135362416
n×3
203043624
n×4
270724832
n×5
338406040
n÷2
33840604
n÷3
22560402.666667
n÷3
16920302
n÷5
13536241.6
n2
4580745916339264
n3
3.1003041715891E+23
n4
2.0983233150059E+31
n5
1.4201705673416E+39
2 √n
8226.858938866
3 √n
407.52666818332
4 √n
90.702033818796
5 √n
36.820833929261
1 , 2 , 4 , 7 , 8 , 14 , 28 , 56 , 61 , 122 , 244 , 427 , 488 , 854 , 1708 , 3416 , 19813 , 39626 , 79252 , 138691 , 158504 , 277382 , 554764 , 1109528 , 1208593 , 2417186 , 4834372 , 8460151 , 9668744 , 16920302 , 33840604 , 67681208
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-67681207
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 67681208 can be divided by 32 positive divisors.
The sum of these divisors (counting 67681208) is 1, the average is 0.03125.
Base
System
Value
2
Binary
100000010001011101110111000
3
Ternary
11201100120011102
4
Quaternary
10002023232320
5
Quinary
114311244313
6
Senary
10414350532
8
Octal
402135670
10
Decimal
67681208
12
Duodecimal
1a7bb448
16
Hexadecimal
408bbb8
20
Vigesimal
1130308
36
Base36
14an5k
md5
f4f5eab91a9154cb02ea5c7cdbbad758
sha1
5c14ad8f87843f05addc9b4353add3d66889e34b
sha256
b928f7519668cd7bfaf725047912b9d92e2143962bc4de5657398ead5e029463
sha512
64d7a5bf64619b2e7b948d75ef14281e1949bccdf003aa4e154a5435ee4e8e4abb3a961d5c6a53e31a3f12338dcb6affd1a201ad634f3f9c4bde04cfb370944c
ripemd-160
4156982989663eb850e6d9cc2564dae37bbcbd98
Diameter
135362416
Circumference
425253571.67777
Area
1.4390837718733E+16
Volume
1.2986523745811E+24
Surface area
5.7563350874932E+16
Circumference
425253571.67777
Perimeter
270724832
Area
4580745916339264
Diagonal
95715682.271394
Surface area
27484475498035584
Volume
3.1003041715891E+23
Space diagonal
117227290.97364
Perimeter
203043624
Area
1.9835211659158E+15
Altitude
58613645.486819
Surface area
1.9835211659158E+15
Volume
3.653743505786E+22
Height
31905227.423798