70721921 is an odd 8-digits composite number following 70721920
and preceding 70721922 . In scientific notation, it is written as 7.0721921 × 10^7.
The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors.
There are 66561792 positive integers (up to 70721921) that are relatively prime to 70721921.
70721921 has 4 divisors, whose sum is 74882052
The reverse of 70721921 is 12912707
Previous prime number is 17
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2
Name
seventy million seven hundred twenty-one thousand nine hundred twenty-one
Scientific notation
7.0721921 × 10^7
Engineering notation
7.0721921 × 10^6
Prime Factorization
17 × 4160113
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
70721921
Product of the distinct prime numbers
The prime factorization of 70721921 is 17 × 4160113.
Since it has a total of 2 prime factors.
10 , 8 , 85 , 6 , 169 , 671 , 1474 , 6961 , 19623 , 20560 , 952780 , 309789 , 7870335 , 1577683 , 19557186 , 40515858 , 506622454 , 785857768 , 2496679112 , 9673637569
n×2
141443842
n×3
212165763
n×4
282887684
n×5
353609605
n÷2
35360960.5
n÷3
23573973.666667
n÷3
17680480.25
n÷5
14144384.2
n2
5001590109930241
n3
3.5372206062887E+23
n4
2.5015903627752E+31
n5
1.7691727601055E+39
2 √n
8409.6326316909
3 √n
413.54046929489
4 √n
91.704049156462
5 √n
37.145893543881
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
-70721920
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 70721921 can be divided by 4 positive divisors.
The sum of these divisors (counting 70721921) is 1, the average is 0.25.
Base
System
Value
2
Binary
100001101110010000110000001
3
Ternary
11221002001020102
4
Quaternary
10031302012001
5
Quinary
121101100141
6
Senary
11003452145
8
Octal
415620601
10
Decimal
70721921
12
Duodecimal
1b827055
16
Hexadecimal
4372181
20
Vigesimal
12204g1
36
Base36
163tdt
md5
5d28df91b6d7e85cc80bc4e163f93946
sha1
35b6f7b571c815b1763fb9a53c62d88128fd7c35
sha256
3e497cb4770d4a58ae4768a8f1a8717ab8969adc128a6bdf111b08767a2e1b2e
sha512
1dd11eec838a9d2058221056b3e82b714ddcef3894e9bd4a1fea182a23fdd090439549615e4b3d5760339d5da601fdc91b7d0255f8a1ef4468c2875ab945e780
ripemd-160
5c3cb535337ac57ec063a70f35c7f0d8f327ba38
Diameter
141443842
Circumference
444358934.92272
Area
1.5712958745624E+16
Volume
1.4816675027791E+24
Surface area
6.2851834982497E+16
Circumference
444358934.92272
Perimeter
282887684
Area
5001590109930241
Diagonal
100015899.83528
Surface area
30009540659581446
Volume
3.5372206062887E+23
Space diagonal
122493960.38087
Perimeter
212165763
Area
2.1657520472583E+15
Altitude
61246980.190436
Surface area
2.1657520472583E+15
Volume
4.1686544620992E+22
Height
33338633.278426