78214421 is an odd 8-digits composite number following 78214420
and preceding 78214422 . In scientific notation, it is written as 7.8214421 × 10^7.
The sum of its digits is 29. It has a total of 4 prime factors and 16 positive divisors.
There are 71658048 positive integers (up to 78214421) that are relatively prime to 78214421.
78214421 has 16 divisors, whose sum is 85104000
The reverse of 78214421 is 12441287
Previous prime number is 149
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2
Name
seventy-eight million two hundred fourteen thousand four hundred twenty-one
Scientific notation
7.8214421 × 10^7
Engineering notation
7.8214421 × 10^6
Prime Factorization
23 × 29 × 149 × 787
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
78214421
Product of the distinct prime numbers
The prime factorization of 78214421 is 23 × 29 × 149 × 787.
Since it has a total of 4 prime factors.
9 , 9 , 62 , 44 , 380 , 745 , 9521 , 8512 , 86710 , 90365 , 277994 , 668287 , 2273676 , 2684030 , 35859265 , 96942488 , 665678597 , 275944394 , 3107850468 , 1752445131
n×2
156428842
n×3
234643263
n×4
312857684
n×5
391072105
n÷2
39107210.5
n÷3
26071473.666667
n÷3
19553605.25
n÷5
15642884.2
n2
6117495652365241
n3
4.7847638041976E+23
n4
3.7423753056708E+31
n5
2.9270771769774E+39
2 √n
8843.8917338466
3 √n
427.65702609036
4 √n
94.041967939036
5 √n
37.901584555085
1 , 23 , 29 , 149 , 667 , 787 , 3427 , 4321 , 18101 , 22823 , 99383 , 117263 , 524929 , 2697049 , 3400627 , 78214421
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
-78214420
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 78214421 can be divided by 16 positive divisors.
The sum of these divisors (counting 78214421) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100101010010111010100010101
3
Ternary
12110011201000102
4
Quaternary
10222113110111
5
Quinary
130010330141
6
Senary
11432223445
8
Octal
452272425
10
Decimal
78214421
12
Duodecimal
2223ab85
16
Hexadecimal
4a97515
20
Vigesimal
148gg11
36
Base36
1akemt
md5
e5da81e22dc0fbc6e2ce5cceed671e6b
sha1
1d0b1f4f313184df1855ec2856e2e01da0c5c42e
sha256
84bf620f94b57ad2d293ddeaaf3bb06c6783fc22f8d99081770bbbd48081979b
sha512
aaa6aae256f2260650d50a986e1454c04fb26f598effd6c64b19feeee44ede922d1ada00a053fe1a73cd5dd2d49796b0c946848fd696d98728680317227fea5d
ripemd-160
2bdf9807f5099eb9c4c5d68d0f0603fc32088285
Diameter
156428842
Circumference
491435700.83676
Area
1.9218679399838E+16
Volume
2.004237175524E+24
Surface area
7.6874717599353E+16
Circumference
491435700.83676
Perimeter
312857684
Area
6117495652365241
Diagonal
110611894.95136
Surface area
36704973914191446
Volume
4.7847638041976E+23
Space diagonal
135471351.05658
Perimeter
234643263
Area
2.6489533212446E+15
Altitude
67735675.528291
Surface area
2.6489533212446E+15
Volume
5.6388982205402E+22
Height
36870631.650453