121640215 is an odd 9-digits composite number following 121640214
and preceding 121640216 . In scientific notation, it is written as 1.21640215 × 10^8.
The sum of its digits is 22. It has a total of 2 prime factors and 4 positive divisors.
There are 93081120 positive integers (up to 121640215) that are relatively prime to 121640215.
121640215 has 4 divisors, whose sum is 122698072
The reverse of 121640215 is 512046121
Previous prime number is 115
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 22
Digital Root 4
Name
one hundred twenty-one million six hundred forty thousand two hundred fifteen
Scientific notation
1.21640215 × 10^8
Engineering notation
1.21640215 × 10^6
Prime Factorization
115 × 1057741
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
121640215
Product of the distinct prime numbers
The prime factorization of 121640215 is 115 × 1057741.
Since it has a total of 2 prime factors.
6 , 2 , 2 , 27 , 221 , 156 , 2256 , 5745 , 71439 , 74799 , 612643 , 793788 , 5976691 , 1809658 , 79653952 , 41810208 , 813089898 , 833325206 , 5506402910 , 5888150024
n×2
243280430
n×3
364920645
n×4
486560860
n×5
608201075
n÷2
60820107.5
n÷3
40546738.333333
n÷3
30410053.75
n÷5
24328043
n2
14796341905246225
n3
1.7998302105677E+24
n4
2.1893173377695E+32
n5
2.663090316695E+40
2 √n
11029.06229015
3 √n
495.47954072734
4 √n
105.01934245723
5 √n
41.401438957572
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
-121640214
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 121640215 can be divided by 4 positive divisors.
The sum of these divisors (counting 121640215) is 1, the average is 0.25.
Base
System
Value
2
Binary
111010000000001010100010111
3
Ternary
22110212222000011
4
Quaternary
13100001110113
5
Quinary
222114441330
6
Senary
20023101051
8
Octal
720012427
10
Decimal
121640215
12
Duodecimal
348a1787
16
Hexadecimal
7401517
20
Vigesimal
1i050af
36
Base36
20f66v
md5
d035ed77cc95a3336fce8162d6232c77
sha1
0bf52f2e0f11b933d4c80d8359c0508cecc1bf08
sha256
c4d6fe896e395e7695aa8b2cb9eb06f46d8c2bf330b5ddcb6696d92851b87e7a
sha512
02123980e5f54f3a2f7910c98ad075191688bf0fa728264841e46dfe0571d6f70230b3bc4cf85f2fc2692f70fa97a5537c46906bae6780182f28de98d8c9576a
ripemd-160
ed8b407bcfe0fccf4f07779f542cb82acc88620d
Diameter
243280430
Circumference
764288011.65017
Area
4.6484079029524E+16
Volume
7.5391111563044E+24
Surface area
1.859363161181E+17
Circumference
764288011.65017
Perimeter
486560860
Area
14796341905246225
Diagonal
172025241.78298
Surface area
88778051431477350
Volume
1.7998302105677E+24
Space diagonal
210687032.6236
Perimeter
364920645
Area
6.4070039865117E+15
Altitude
105343516.3118
Surface area
6.4070039865117E+15
Volume
2.1211202447947E+23
Height
57341747.260993