29921978 is an even 8-digits composite number following 29921977
and preceding 29921979 . In scientific notation, it is written as 2.9921978 × 10^7.
The sum of its digits is 47. It has a total of 4 prime factors and 16 positive divisors.
There are 14631936 positive integers (up to 29921978) that are relatively prime to 29921978.
29921978 has 16 divisors, whose sum is 45881640
The reverse of 29921978 is 87912992
Previous prime number is 89
Is Prime? no
Number parity even
Number length 8
Sum of Digits 47
Digital Root 2
Name
twenty-nine million nine hundred twenty-one thousand nine hundred seventy-eight
Scientific notation
2.9921978 × 10^7
Engineering notation
2.9921978 × 10^6
Prime Factorization
2 × 97 × 89 × 1733
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
29921978
Product of the distinct prime numbers
The prime factorization of 29921978 is 2 × 97 × 89 × 1733.
Since it has a total of 4 prime factors.
9 , 7 , 81 , 92 , 298 , 509 , 5216 , 5018 , 22915 , 92999 , 982205 , 532906 , 3334065 , 5105306 , 28439689 , 4293616 , 444260395 , 10675118 , 439200348 , 3177678193
n×2
59843956
n×3
89765934
n×4
119687912
n×5
149609890
n÷2
14960989
n÷3
9973992.6666667
n÷3
7480494.5
n÷5
5984395.6
n2
895324767432484
n3
2.678988799397E+22
n4
8.0160643917803E+29
n5
2.3985650237743E+37
2 √n
5470.0985365896
3 √n
310.45364729962
4 √n
73.960114498219
5 √n
31.275053397393
1 , 2 , 89 , 97 , 178 , 194 , 1733 , 3466 , 8633 , 17266 , 154237 , 168101 , 308474 , 336202 , 14960989 , 29921978
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
-29921977
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 29921978 can be divided by 16 positive divisors.
The sum of these divisors (counting 29921978) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1110010001001001010111010
3
Ternary
2002022012020102
4
Quaternary
1302021022322
5
Quinary
30130000403
6
Senary
2545155402
8
Octal
162111272
10
Decimal
29921978
12
Duodecimal
a02bb62
16
Hexadecimal
1c892ba
20
Vigesimal
9704ii
36
Base36
htby2
md5
e056f25b3a5df4f519fc26adb4e4d4bd
sha1
8411e6773e6a0b896f91bd1edb1f55f61e0696c0
sha256
7f5c50a9c8e50faee8b2219d98fbe17baf1ff7ae27d0b20274796dd75ee2b01b
sha512
3efba5b8aa7a0cc7b0a1f86416014edc71287e09a69ecb90e4be8dae7a5b01ab7a1472e683899c0e3155216c659ac808a7d15bdd202e6f2050b6755aeba7096e
ripemd-160
045fa95fa5ab5c8deba16505a31599040941b8f3
Diameter
59843956
Circumference
188005332.53135
Area
2.8127457119429E+15
Volume
1.1221722041647E+23
Surface area
1.1250982847772E+16
Circumference
188005332.53135
Perimeter
119687912
Area
895324767432484
Diagonal
42316067.100629
Surface area
5371948604594904
Volume
2.678988799397E+22
Space diagonal
51826386.158958
Perimeter
89765934
Area
3.8768699661696E+14
Altitude
25913193.079479
Surface area
3.8768699661696E+14
Volume
3.1572185779607E+21
Height
14105355.70021