121998417 is an odd 9-digits composite number following 121998416
and preceding 121998418 . In scientific notation, it is written as 1.21998417 × 10^8.
The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors.
There are 76138832 positive integers (up to 121998417) that are relatively prime to 121998417.
121998417 has 16 divisors, whose sum is 173352960
The reverse of 121998417 is 714899121
Previous prime number is 47
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 42
Digital Root 6
Name
one hundred twenty-one million nine hundred ninety-eight thousand four hundred seventeen
Scientific notation
1.21998417 × 10^8
Engineering notation
1.21998417 × 10^6
Prime Factorization
3 × 23 × 47 × 37619
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
121998417
Product of the distinct prime numbers
The prime factorization of 121998417 is 3 × 23 × 47 × 37619.
Since it has a total of 4 prime factors.
2 , 2 , 73 , 100 , 731 , 910 , 1386 , 8475 , 52441 , 17407 , 825235 , 321024 , 7806936 , 424623 , 23234890 , 2495465 , 361408470 , 671337160 , 9638899020 , 7685226183
n×2
243996834
n×3
365995251
n×4
487993668
n×5
609992085
n÷2
60999208.5
n÷3
40666139
n÷3
30499604.25
n÷5
24399683.4
n2
14883613750505889
n3
1.8157773168012E+24
n4
2.2152195827425E+32
n5
2.7025328240198E+40
2 √n
11045.289357912
3 √n
495.96542124747
4 √n
105.0965715802
5 √n
41.425793798761
1 , 3 , 23 , 47 , 69 , 141 , 1081 , 3243 , 37619 , 112857 , 865237 , 1768093 , 2595711 , 5304279 , 40666139 , 121998417
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-121998416
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 121998417 can be divided by 16 positive divisors.
The sum of these divisors (counting 121998417) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111010001011000110001010001
3
Ternary
22111120011100220
4
Quaternary
13101120301101
5
Quinary
222212422132
6
Senary
20034503253
8
Octal
721306121
10
Decimal
121998417
12
Duodecimal
34a34b29
16
Hexadecimal
7458c51
20
Vigesimal
1i29g0h
36
Base36
20mukx
md5
a29c0c96f3aee26df5ae65c8eb574eac
sha1
e3fbbbb2da4b7b262c59f1f03f564802d3729974
sha256
0f9441fb3a327d895c74b33d3d6621d9814633069c83c36eca755e69e0e7eb3a
sha512
98e880a6bce8954c2489e97cdda9e846c5159d53d267d1e23cbdbb3167e14af4b06bd7f528e8e5112439e2d57fb47e97c2afbb6307120a0d817fdf3ac7db6503
ripemd-160
f975f03672b857adc002ee00a639d5d8ed8497bc
Diameter
243996834
Circumference
766538661.19357
Area
4.6758251617457E+16
Volume
7.60591023869E+24
Surface area
1.8703300646983E+17
Circumference
766538661.19357
Perimeter
487993668
Area
14883613750505889
Diagonal
172531815.90945
Surface area
89301682503035334
Volume
1.8157773168012E+24
Space diagonal
211307456.68697
Perimeter
365995251
Area
6.4447938040267E+15
Altitude
105653728.34349
Surface area
6.4447938040267E+15
Volume
2.1399140897247E+23
Height
57510605.303149