67720021 is an odd 8-digits composite number following 67720020
and preceding 67720022 . In scientific notation, it is written as 6.7720021 × 10^7.
The sum of its digits is 25. It has a total of 2 prime factors and 4 positive divisors.
There are 67698412 positive integers (up to 67720021) that are relatively prime to 67720021.
67720021 has 4 divisors, whose sum is 67741632
The reverse of 67720021 is 12002776
Previous prime number is 17807
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 25
Digital Root 7
Name
sixty-seven million seven hundred twenty thousand twenty-one
Scientific notation
6.7720021 × 10^7
Engineering notation
6.7720021 × 10^6
Prime Factorization
17807 × 3803
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
67720021
Product of the distinct prime numbers
The prime factorization of 67720021 is 17807 × 3803.
Since it has a total of 2 prime factors.
8 , 7 , 12 , 79 , 760 , 222 , 4698 , 7032 , 55775 , 56897 , 641605 , 702767 , 5175724 , 3049803 , 17105828 , 11595648 , 933788554 , 977912424 , 2013575161 , 6318641373
n×2
135440042
n×3
203160063
n×4
270880084
n×5
338600105
n÷2
33860010.5
n÷3
22573340.333333
n÷3
16930005.25
n÷5
13544004.2
n2
4586001244240441
n3
3.1056410056599E+23
n4
2.1031407412175E+31
n5
1.424247351612E+39
2 √n
8229.217520518
3 √n
407.60455445055
4 √n
90.715034699426
5 √n
36.825056074104
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
-67720020
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 67720021 can be divided by 4 positive divisors.
The sum of these divisors (counting 67720021) is 1, the average is 0.25.
Base
System
Value
2
Binary
100000010010101001101010101
3
Ternary
11201102112101221
4
Quaternary
10002111031111
5
Quinary
114314020041
6
Senary
10415250341
8
Octal
402251525
10
Decimal
67720021
12
Duodecimal
1a8199b1
16
Hexadecimal
4095355
20
Vigesimal
1135011
36
Base36
14bh3p
md5
24ffd4037d8cbc2ea0f3093e2408efaa
sha1
7d1f7b7bbfdcbce29b08a72d093ffd3fbf86de0c
sha256
1a32bb4d077f6b76c6af5e96b3077640d76313de381d9aca63b0ad79a362372c
sha512
64d4e9b6299ca7cec959577c0232eea979be4f0a1406a50bed65bfd99d9e9e40cb03c46ad5cd5dd0c5814d333fd799d4ab729ae5a59c445f4150f7d69a091c13
ripemd-160
c77ed7661def4c1ffd7f7a12569b58b63f81fcad
Diameter
135440042
Circumference
425497440.94909
Area
1.4407347818259E+16
Volume
1.3008878624091E+24
Surface area
5.7629391273038E+16
Circumference
425497440.94909
Perimeter
270880084
Area
4586001244240441
Diagonal
95770572.142391
Surface area
27516007465442646
Volume
3.1056410056599E+23
Space diagonal
117294517.06163
Perimeter
203160063
Area
1.9857967896496E+15
Altitude
58647258.530816
Surface area
1.9857967896496E+15
Volume
3.6600330250552E+22
Height
31923524.047464