121998418 is an even 9-digits composite number following 121998417
and preceding 121998419 . In scientific notation, it is written as 1.21998418 × 10^8.
The sum of its digits is 43. It has a total of 4 prime factors and 16 positive divisors.
There are 58811536 positive integers (up to 121998418) that are relatively prime to 121998418.
121998418 has 16 divisors, whose sum is 189578880
The reverse of 121998418 is 814899121
Previous prime number is 1907
Is Prime? no
Number parity even
Number length 9
Sum of Digits 43
Digital Root 7
Name
one hundred twenty-one million nine hundred ninety-eight thousand four hundred eighteen
Scientific notation
1.21998418 × 10^8
Engineering notation
1.21998418 × 10^6
Prime Factorization
2 × 29 × 1907 × 1103
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
121998418
Product of the distinct prime numbers
The prime factorization of 121998418 is 2 × 29 × 1907 × 1103.
Since it has a total of 4 prime factors.
5 , 2 , 67 , 62 , 528 , 659 , 3815 , 1336 , 8955 , 85991 , 278689 , 569008 , 3941629 , 999890 , 48756991 , 60099184 , 122591333 , 88143786 , 1049182735 , 8733333065
n×2
243996836
n×3
365995254
n×4
487993672
n×5
609992090
n÷2
60999209
n÷3
40666139.333333
n÷3
30499604.5
n÷5
24399683.6
n2
14883613994502724
n3
1.815777361452E+24
n4
2.2152196553736E+32
n5
2.7025329347808E+40
2 √n
11045.28940318
3 √n
495.96542260259
4 √n
105.09657179556
5 √n
41.425793866673
1 , 2 , 29 , 58 , 1103 , 1907 , 2206 , 3814 , 31987 , 55303 , 63974 , 110606 , 2103421 , 4206842 , 60999209 , 121998418
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
-121998417
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 121998418 can be divided by 16 positive divisors.
The sum of these divisors (counting 121998418) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111010001011000110001010010
3
Ternary
22111120011100221
4
Quaternary
13101120301102
5
Quinary
222212422133
6
Senary
20034503254
8
Octal
721306122
10
Decimal
121998418
12
Duodecimal
34a34b2a
16
Hexadecimal
7458c52
20
Vigesimal
1i29g0i
36
Base36
20muky
md5
2184642f4854fc06bfaafca9a10936e6
sha1
3e65427b2eccbce7c6fe43f5238298536de38708
sha256
a5d9c2144c013805b21dfd32ff2990a459f3b37e56489ba5c1b1c380f9b3b83c
sha512
16c27124dd9311347149b874eb1d1d72ab855200be8d74cb114d221be21615d01c79eb211d8587bf7ae376eea5a8f21ecb274e5ec0bb0fe01db1e9e8e287a6c4
ripemd-160
047a47a67394bea741d2c1b7ca43479de14e98a1
Diameter
243996836
Circumference
766538667.47675
Area
4.6758252383996E+16
Volume
7.605910425723E+24
Surface area
1.8703300953598E+17
Circumference
766538667.47675
Perimeter
487993672
Area
14883613994502724
Diagonal
172531817.32366
Surface area
89301683967016344
Volume
1.815777361452E+24
Space diagonal
211307458.41903
Perimeter
365995254
Area
6.4447939096805E+15
Altitude
105653729.20951
Surface area
6.4447939096805E+15
Volume
2.1399141423462E+23
Height
57510605.774554