67684987 is an odd 8-digits composite number following 67684986
and preceding 67684988 . In scientific notation, it is written as 6.7684987 × 10^7.
The sum of its digits is 55. It has a total of 2 prime factors and 4 positive divisors.
There are 67190800 positive integers (up to 67684987) that are relatively prime to 67684987.
67684987 has 4 divisors, whose sum is 68179176
The reverse of 67684987 is 78948676
Previous prime number is 137
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 55
Digital Root 1
Name
sixty-seven million six hundred eighty-four thousand nine hundred eighty-seven
Scientific notation
6.7684987 × 10^7
Engineering notation
6.7684987 × 10^6
Prime Factorization
137 × 494051
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
67684987
Product of the distinct prime numbers
The prime factorization of 67684987 is 137 × 494051.
Since it has a total of 2 prime factors.
1 , 2 , 13 , 38 , 600 , 141 , 1112 , 3712 , 67696 , 8515 , 146265 , 879680 , 8968641 , 1208013 , 24042785 , 76500709 , 461937452 , 460614765 , 1379711902 , 9647695680
n×2
135369974
n×3
203054961
n×4
270739948
n×5
338424935
n÷2
33842493.5
n÷3
22561662.333333
n÷3
16921246.75
n÷5
13536997.4
n2
4581257465190169
n3
3.1008235197505E+23
n4
2.0987919962361E+31
n5
1.4205670898094E+39
2 √n
8227.088610195
3 √n
407.53425283231
4 √n
90.703299885919
5 √n
36.82124510048
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-67684986
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 67684987 can be divided by 4 positive divisors.
The sum of these divisors (counting 67684987) is 1, the average is 0.25.
Base
System
Value
2
Binary
100000010001100101001111011
3
Ternary
11201100202100101
4
Quaternary
10002030221323
5
Quinary
114311404422
6
Senary
10414420231
8
Octal
402145173
10
Decimal
67684987
12
Duodecimal
1a801677
16
Hexadecimal
408ca7b
20
Vigesimal
1130c97
36
Base36
14aq2j
md5
8491e3465e9950347d0662bbe7409ae5
sha1
64ea59cdcd70fcc8eebd1ddf4c91f0d7323179f4
sha256
73cd667ca19c397c2dba9d5622f9f14fc4f1ecdd84e1743ce2c08384f55077fd
sha512
873e4ec600059f0609508d211ec7941410508c608d5038ee7dd6952a5ff7100aed367892ff620ebe180acbf1f9c19e839a2662cc19a4e3727622df6b7743b08a
ripemd-160
98e3dc5b2626f8d35d28284f72db692eb19f167b
Diameter
135369974
Circumference
425277315.83504
Area
1.4392444796845E+16
Volume
1.2988699186302E+24
Surface area
5.7569779187379E+16
Circumference
425277315.83504
Perimeter
270739948
Area
4581257465190169
Diagonal
95721026.584447
Surface area
27487544791141014
Volume
3.1008235197505E+23
Space diagonal
117233836.39364
Perimeter
203054961
Area
1.9837426730659E+15
Altitude
58616918.196819
Surface area
1.9837426730659E+15
Volume
3.6543555634639E+22
Height
31907008.861482