69897991 is an odd 8-digits prime number following 69897990
and preceding 69897992 . In scientific notation, it is written as 6.9897991 × 10^7.
The sum of its digits is 58. It has a total of 1 prime factors and 2 positive divisors.
There are 69897990 positive integers (up to 69897991) that are relatively prime to 69897991.
69897991 has 2 divisors, whose sum is 69897992
The reverse of 69897991 is 19979896
Previous prime number is 1
Is Prime? yes Number parity odd Number length 8 Sum of Digits 58 Digital Root 4
Name
sixty-nine million eight hundred ninety-seven thousand nine hundred ninety-one
Scientific notation
6.9897991 × 10^7
Engineering notation
6.9897991 × 10^6
Prime Factorization
69897991
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
69897991 Product of the distinct prime numbers
The prime factorization of 69897991 is 69897991.
Since it has a total of 1 prime factors.
6 , 6 , 1 , 9 , 759 , 649 , 3836 , 5273 , 70434 , 95822 , 844626 , 469218 , 6181280 , 4302785 , 65581472 , 99916819 , 278667091 , 97938652 , 4007391800 , 2169019599
n×2
139795982
n×3
209693973
n×4
279591964
n×5
349489955
n÷2
34948995.5
n÷3
23299330.333333
n÷3
17474497.75
n÷5
13979598.2
n2
4885729145836081
n3
3.4150265186409E+23
n4
2.3870349286472E+31
n5
1.6684894595927E+39
2 √n8360.5018390046
3 √n411.92823827899
4 √n91.435779862178
5 √n37.058935366332
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
69897992 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
34948996 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
8360.5018988097 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999999713869 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 69897991 can be divided by 2 positive divisors.
The sum of these divisors (counting 69897991) is 69897992, the average is 34948996.
Base
System
Value
2
Binary
100001010101000111100000111
3
Ternary
11212112012000111
4
Quaternary
10022220330013
5
Quinary
120343213431
6
Senary
10534053451
8
Octal
412507407
10
Decimal
69897991
12
Duodecimal
1b4aa287
16
Hexadecimal
42a8f07
20
Vigesimal
11gh4jb
36
Base36
15m5mv
md5
d923ef249bc614c618aa19525cb67297
sha1
5696f1af320b686a80a280a487ba512700f4304c
sha256
142bfadff002a26708233d8ddb1c4bc2678a63734cec83ff127b6f23bbd8d103
sha512
d7f537717a17f16f029a2dbf3f33fe20a612c70f1fc456a11e61e7c629d008beb0703410ef2b907fe47293a79faf39997ae8b34ccc2caa5840e6df968cd4dda7
ripemd-160
5549511de101380aa1e2c9e5dd6d467498459ebc
Diameter
139795982
Circumference
439182030.05257
Area
1.5348970791988E+16
Volume
1.4304829630369E+24
Surface area
6.1395883167953E+16
Circumference
439182030.05257
Perimeter
279591964
Area
4885729145836081
Diagonal
98850686.854833
Surface area
29314374875016486
Volume
3.4150265186409E+23
Space diagonal
121066871.75899
Perimeter
209693973
Area
2.115582778152E+15
Altitude
60533435.879496
Surface area
2.115582778152E+15
Volume
4.0246473487714E+22
Height
32950228.951611