99689991 is an odd 8-digits composite number following 99689990
and preceding 99689992 . In scientific notation, it is written as 9.9689991 × 10^7.
The sum of its digits is 60. It has a total of 2 prime factors and 4 positive divisors.
There are 66459992 positive integers (up to 99689991) that are relatively prime to 99689991.
99689991 has 4 divisors, whose sum is 132919992
The reverse of 99689991 is 19998699
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 60
Digital Root 6
Name
ninety-nine million six hundred eighty-nine thousand nine hundred ninety-one
Scientific notation
9.9689991 × 10^7
Engineering notation
9.9689991 × 10^6
Prime Factorization
3 × 33229997
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
99689991
Product of the distinct prime numbers
The prime factorization of 99689991 is 3 × 33229997.
Since it has a total of 2 prime factors.
8 , 4 , 98 , 99 , 910 , 872 , 4032 , 9349 , 64170 , 69359 , 116348 , 184914 , 2831384 , 1623749 , 44522117 , 3267521 , 756528984 , 566927883 , 5797514785 , 1429382218
n×2
199379982
n×3
299069973
n×4
398759964
n×5
498449955
n÷2
49844995.5
n÷3
33229997
n÷3
24922497.75
n÷5
19937998.2
n2
9938094305580081
n3
9.9072853188043E+23
n4
9.8765718426603E+31
n5
9.8459535810566E+39
2 √n
9984.4875181453
3 √n
463.67874208764
4 √n
99.922407487737
5 √n
39.786003028869
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
-99689990
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 99689991 can be divided by 4 positive divisors.
The sum of these divisors (counting 99689991) is 1, the average is 0.25.
Base
System
Value
2
Binary
101111100010010011000000111
3
Ternary
20221120202221220
4
Quaternary
11330102120013
5
Quinary
201010034431
6
Senary
13520411423
8
Octal
574223007
10
Decimal
99689991
12
Duodecimal
29476b73
16
Hexadecimal
5f12607
20
Vigesimal
1b314jb
36
Base36
1ncpaf
md5
0364e49c43d96e34fd20b362fcedc984
sha1
8f4e81d6f65814457b5d849c9ffaf4988a5c9058
sha256
8dcfc5a693a582f1be42e4091c46b48faeb3da871997296bbf9f9797ae398edd
sha512
118a9c93b984c2eefa34cb2588f10776420d85bb548be54604105737a9fb02fb9d4eccfcf0924299f15edf24093cece801d618eecb1192f955dd2288a47e61d8
ripemd-160
0a1a88f4cb7e0291d728ab700b6c02f92ee6b38c
Diameter
199379982
Circumference
626370686.72407
Area
3.1221444061093E+16
Volume
4.1499539699431E+24
Surface area
1.2488577624437E+17
Circumference
626370686.72407
Perimeter
398759964
Area
9938094305580081
Diagonal
140982937.30505
Surface area
59628565833480486
Volume
9.9072853188043E+23
Space diagonal
172668129.41808
Perimeter
299069973
Area
4.3033210669189E+15
Altitude
86334064.709042
Surface area
4.3033210669189E+15
Volume
1.1675847720127E+23
Height
46994312.435017