64672021 is an odd 8-digits composite number following 64672020
and preceding 64672022 . In scientific notation, it is written as 6.4672021 × 10^7.
The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors.
There are 61630800 positive integers (up to 64672021) that are relatively prime to 64672021.
64672021 has 8 divisors, whose sum is 67734144
The reverse of 64672021 is 12027646
Previous prime number is 277
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1
Name
sixty-four million six hundred seventy-two thousand twenty-one
Scientific notation
6.4672021 × 10^7
Engineering notation
6.4672021 × 10^6
Prime Factorization
23 × 277 × 10151
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
64672021
Product of the distinct prime numbers
The prime factorization of 64672021 is 23 × 277 × 10151.
Since it has a total of 3 prime factors.
7 , 7 , 70 , 35 , 957 , 384 , 463 , 8206 , 32652 , 19736 , 148888 , 811008 , 7169429 , 5796958 , 72041118 , 71231669 , 771901944 , 598557137 , 4904592624 , 7714758564
n×2
129344042
n×3
194016063
n×4
258688084
n×5
323360105
n÷2
32336010.5
n÷3
21557340.333333
n÷3
16168005.25
n÷5
12934404.2
n2
4182470300224441
n3
2.7048880708799E+23
n4
1.749305781226E+31
n5
1.1313114021887E+39
2 √n
8041.8916307048
3 √n
401.39517183118
4 √n
89.676594664967
5 √n
36.487430987606
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-64672020
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 64672021 can be divided by 8 positive divisors.
The sum of these divisors (counting 64672021) is 1, the average is 0.125.
Base
System
Value
2
Binary
11110110101101000100010101
3
Ternary
11111200200100001
4
Quaternary
3312231010111
5
Quinary
113024001041
6
Senary
10230051301
8
Octal
366550425
10
Decimal
64672021
12
Duodecimal
197a9b31
16
Hexadecimal
3dad115
20
Vigesimal
1044011
36
Base36
12i591
md5
d14c99d3960240a8851ce11902ba2c49
sha1
ff531f75ef81d98b1a575c137f745ca9da762bf5
sha256
78ac2183648dffbe07bdfc2958a7461fb03c1b68c8fcadc5a60fd5042106ba4a
sha512
3fdba1787303caff6d4a5871f5aa3395217b7db0747e3c2510506ca8fda97b8052e75c757eb2dab6bb4af3a4cf502148faa8bf835e3c0adc5f2b176c7ea162df
ripemd-160
7bbf42f78f7e39f11f3fd433ab16f4f200cef5a3
Diameter
129344042
Circumference
406346292.13281
Area
1.3139617969043E+16
Volume
1.1330208656345E+24
Surface area
5.255847187617E+16
Circumference
406346292.13281
Perimeter
258688084
Area
4182470300224441
Diagonal
91460049.204278
Surface area
25094821801346646
Volume
2.7048880708799E+23
Space diagonal
112015226.20016
Perimeter
194016063
Area
1.8110627652841E+15
Altitude
56007613.100081
Surface area
1.8110627652841E+15
Volume
3.1877411621163E+22
Height
30486683.068093