121998719 is an odd 9-digits composite number following 121998718
and preceding 121998720 . In scientific notation, it is written as 1.21998719 × 10^8.
The sum of its digits is 47. It has a total of 2 prime factors and 4 positive divisors.
There are 119998680 positive integers (up to 121998719) that are relatively prime to 121998719.
121998719 has 4 divisors, whose sum is 123998760
The reverse of 121998719 is 917899121
Previous prime number is 61
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 47
Digital Root 2
Name
one hundred twenty-one million nine hundred ninety-eight thousand seven hundred nineteen
Scientific notation
1.21998719 × 10^8
Engineering notation
1.21998719 × 10^6
Prime Factorization
61 × 1999979
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
121998719
Product of the distinct prime numbers
The prime factorization of 121998719 is 61 × 1999979.
Since it has a total of 2 prime factors.
5 , 1 , 16 , 36 , 334 , 249 , 7282 , 7413 , 49259 , 54112 , 27238 , 678352 , 6369778 , 89446 , 76456404 , 56071807 , 771565748 , 844255409 , 182358781 , 4169495314
n×2
243997438
n×3
365996157
n×4
487994876
n×5
609993595
n÷2
60999359.5
n÷3
40666239.666667
n÷3
30499679.75
n÷5
24399743.8
n2
14883687437640961
n3
1.8157908013886E+24
n4
2.2152415174139E+32
n5
2.7025662740011E+40
2 √n
11045.30302889
3 √n
495.96583049167
4 √n
105.09663662025
5 √n
41.42581430817
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
-121998718
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 121998719 can be divided by 4 positive divisors.
The sum of these divisors (counting 121998719) is 1, the average is 0.25.
Base
System
Value
2
Binary
111010001011000110101111111
3
Ternary
22111120011210002
4
Quaternary
13101120311333
5
Quinary
222212424334
6
Senary
20034504515
8
Octal
721306577
10
Decimal
121998719
12
Duodecimal
34a3513b
16
Hexadecimal
7458d7f
20
Vigesimal
1i29gfj
36
Base36
20mutb
md5
fa6ec7150647b6694f2721d4412c8973
sha1
1b10f76f8d0615684316938d2eaf64a12dec9cf6
sha256
9edf1b5250e0b347ec5ac59a7f84fa71e446122875ae1f8aa4f076e1e22d3774
sha512
0b3708b7b4049077965f358decf95a8fa7681db452f1de94d58e952cbf84562422c4cce28283058573f36b1f7e3aa995a82c0d7cb096fbadff65f1ab2bff071b
ripemd-160
65738d023a2d5549b3d69247ec76cf14b155eab5
Diameter
243997438
Circumference
766540558.71553
Area
4.675848311242E+16
Volume
7.6059667227978E+24
Surface area
1.8703393244968E+17
Circumference
766540558.71553
Perimeter
487994876
Area
14883687437640961
Diagonal
172532243.00194
Surface area
89302124625845766
Volume
1.8157908013886E+24
Space diagonal
211307979.76632
Perimeter
365996157
Area
6.4448257114922E+15
Altitude
105653989.88316
Surface area
6.4448257114922E+15
Volume
2.1399299814634E+23
Height
57510747.667315