69897728 is an even 8-digits composite number following 69897727
and preceding 69897729 . In scientific notation, it is written as 6.9897728 × 10^7.
The sum of its digits is 56. It has a total of 10 prime factors and 20 positive divisors.
There are 34948608 positive integers (up to 69897728) that are relatively prime to 69897728.
69897728 has 20 divisors, whose sum is 139659960
The reverse of 69897728 is 82779896
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 56
Digital Root 2
Name
sixty-nine million eight hundred ninety-seven thousand seven hundred twenty-eight
Scientific notation
6.9897728 × 10^7
Engineering notation
6.9897728 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 136519
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
10
Total number of prime factors
rad
Radical
273038
Product of the distinct prime numbers
The prime factorization of 69897728 is 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 136519.
Since it has a total of 10 prime factors.
9 , 8 , 63 , 20 , 328 , 892 , 3252 , 4014 , 35560 , 86662 , 6715 , 727804 , 701671 , 1762802 , 56135003 , 18659411 , 344305315 , 293184867 , 883020305 , 2256634799
n×2
139795456
n×3
209693184
n×4
279590912
n×5
349488640
n÷2
34948864
n÷3
23299242.666667
n÷3
17474432
n÷5
13979545.6
n2
4885692379561984
n3
3.414987970383E+23
n4
2.386999002771E+31
n5
1.6684580703196E+39
2 √n
8360.4861102689
3 √n
411.92772163437
4 √n
91.435693852395
5 √n
37.058907478507
1 , 2 , 4 , 8 , 16 , 32 , 64 , 128 , 256 , 512 , 136519 , 273038 , 546076 , 1092152 , 2184304 , 4368608 , 8737216 , 17474432 , 34948864 , 69897728
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-69897727
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 69897728 can be divided by 20 positive divisors.
The sum of these divisors (counting 69897728) is 1, the average is 0.05.
Base
System
Value
2
Binary
100001010101000111000000000
3
Ternary
11212112011122202
4
Quaternary
10022220320000
5
Quinary
120343211403
6
Senary
10534052332
8
Octal
412507000
10
Decimal
69897728
12
Duodecimal
1b4aa0a8
16
Hexadecimal
42a8e00
20
Vigesimal
11gh468
36
Base36
15m5fk
md5
e924d24b571276c5010e9cab49975b73
sha1
d9e3cef9100360dc4738205d24024085d3a31f93
sha256
93c1f829c633012e75b52bad7f3a7db590c7f36a4eef6022178e97cae57ea102
sha512
cecd4468c1eb8641c4abcc2f6ecfab065f6eb901bed94ccf6567bb8ad50de39e195a9e06354d8fdfc7bd78443741f2218343416397cfd3a192db3116ad7d073c
ripemd-160
fa523ffc3d83f635aae9beffeea2a721f2ef76f6
Diameter
139795456
Circumference
439180377.57484
Area
1.5348855287332E+16
Volume
1.4304668159804E+24
Surface area
6.1395421149326E+16
Circumference
439180377.57484
Perimeter
279590912
Area
4885692379561984
Diagonal
98850314.916666
Surface area
29314154277371904
Volume
3.414987970383E+23
Space diagonal
121066416.22963
Perimeter
209693184
Area
2.1155668578884E+15
Altitude
60533208.114815
Surface area
2.1155668578884E+15
Volume
4.0246019192138E+22
Height
32950104.972222