30978165120
30,978,165,120 is an even composite number composed of six prime numbers multiplied together.
30978165120 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of two hundred fifty-six divisors.
Prime factorization of 30978165120:
27 × 3 × 5 × 7 × 127 × 18149
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 5 × 7 × 127 × 18149)See below for interesting mathematical facts about the number 30978165120 from the Numbermatics database.
Names of 30978165120
- Cardinal: 30978165120 can be written as Thirty billion, nine hundred seventy-eight million, one hundred sixty-five thousand, one hundred twenty.
Scientific notation
- Scientific notation: 3.097816512 × 1010
Factors of 30978165120
Divisors of 30978165120
- Number of divisors d(n): 256
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Complete list of divisors:
1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 24 28 30 32 35 40 42 48 56 60 64 70 80 84 96 105 112 120 127 128 140 160 168 192 210 224 240 254 280 320 336 381 384 420 448 480 508 560 635 640 672 762 840 889 896 960 1016 1120 1270 1344 1524 1680 1778 1905 1920 2032 2240 2540 2667 2688 3048 3360 3556 3810 4064 4445 4480 5080 5334 6096 6720 7112 7620 8128 8890 10160 10668 12192 13335 13440 14224 15240 16256 17780 18149 20320 21336 24384 26670 28448 30480 35560 36298 40640 42672 48768 53340 54447 56896 60960 71120 72596 81280 85344 90745 106680 108894 113792 121920 127043 142240 145192 170688 181490 213360 217788 243840 254086 272235 284480 290384 341376 362980 381129 426720 435576 508172 544470 568960 580768 635215 725960 762258 853440 871152 1016344 1088940 1161536 1270430 1451920 1524516 1706880 1742304 1905645 2032688 2177880 2304923 2323072 2540860 2903840 3049032 3484608 3811290 4065376 4355760 4609846 5081720 5807680 6098064 6914769 6969216 7622580 8130752 8711520 9219692 10163440 11524615 11615360 12196128 13829538 15245160 16134461 16261504 17423040 18439384 20326880 23049230 24392256 27659076 30490320 32268922 34573845 34846080 36878768 40653760 46098460 48403383 48784512 55318152 60980640 64537844 69147690 73757536 80672305 81307520 92196920 96806766 110636304 121961280 129075688 138295380 147515072 161344610 184393840 193613532 221272608 242016915 243922560 258151376 276590760 295030144 322689220 368787680 387227064 442545216 484033830 516302752 553181520 645378440 737575360 774454128 885090432 968067660 1032605504 1106363040 1290756880 1475150720 1548908256 1936135320 2065211008 2212726080 2581513760 3097816512 3872270640 4425452160 5163027520 6195633024 7744541280 10326055040 15489082560 30978165120
- Sum of all divisors σ(n): 113743872000
- Sum of proper divisors (its aliquot sum) s(n): 82765706880
- 30978165120 is an abundant number, because the sum of its proper divisors (82765706880) is greater than itself. Its abundance is 51787541760
Bases of 30978165120
- Binary: 111001101100111000101001001100000002
- Hexadecimal: 0x736714980
- Base-36: E8BLL6O
Squares and roots of 30978165120
- 30978165120 squared (309781651202) is 959646714201984614400
- 30978165120 cubed (309781651203) is 29728094369414528416582729728000
-
The
square root of 30978165120 is 176006.1508016127 -
The
cube root of 30978165120 is 3140.6429343259
Scales and comparisons
How big is 30978165120?- 30,978,165,120 seconds is equal to 985 years, 3 days, 13 hours, 52 minutes.
-
To count from 1 to 30,978,165,120 would take you about one thousand, nine hundred seventy years!
This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)
- A cube with a volume of 30978165120 cubic inches would be around 261.7 feet tall.
Recreational maths with 30978165120
- 30978165120 backwards is 02156187903
- 30978165120 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 30978165120's digits is 42
- More coming soon!
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