129818127400

Names of 129818127400

• Cardinal: 129818127400 can be written as One hundred twenty-nine billion, eight hundred eighteen million, one hundred twenty-seven thousand, four hundred.

Scientific notation

• Scientific notation: 1.298181274 × 10¹¹

Factors of 129818127400

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 342

Divisors of 129818127400

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 4 5 8 10 13 20 25 26 40 50 52 65 100 104 130 149 169 173 200 260 298 325 338 346 520 596 650 676 692 745 845 865 1192 1300 1352 1384 1490 1690 1730 1937 2249 2600 2980 3380 3460 3725 3874 4225 4325 4498 5960 6760 6920 7450 7748 8450 8650 8996 9685 11245 14900 15496 16900 17300 17992 19370 22201 22490 25181 25777 29237 29800 33800 34600 38740 44402 44980 48425 50362 51554 56225 58474 77480 88804 89960 96850 100724 103108 111005 112450 116948 125905 128885 146185 177608 193700 201448 206216 222010 224900 233896 251810 257770 288613 292370 335101 387400 444020 449800 503620 515540 555025 577226 584740 629525 644425 670202 730925 888040 1007240 1031080 1110050 1154452 1169480 1259050 1288850 1340404 1443065 1461850 1675505 2220100 2308904 2518100 2577700 2680808 2886130 2923700 3351010 3751969 3840773 4356313 4440200 5036200 5155400 5772260 5847400 6702020 7215325 7503938 7681546 8377525 8712626 11544520 13404040 14430650 15007876 15363092 16755050 17425252 18759845 19203865 21781565 28861300 30015752 30726184 33510100 34850504 37519690 38407730 43563130 49930049 57722600 67020200 75039380 76815460 87126260 93799225 96019325 99860098 108907825 150078760 153630920 174252520 187598450 192038650 199720196 217815650 249650245 375196900 384077300 399440392 435631300 499300490 649090637 750393800 768154600 871262600 998600980 1248251225 1298181274 1997201960 2496502450 2596362548 3245453185 4993004900 5192725096 6490906370 9986009800 12981812740 16227265925 25963625480 32454531850 64909063700 129818127400
• Sum of all divisors σ(n): 330940752030
• Sum of proper divisors (its aliquot sum) s(n): 201122624630
• 129818127400 is an abundant number, because the sum of its proper divisors (201122624630) is greater than itself. Its abundance is 71304497230

Bases of 129818127400

• Binary: 1111000111001110000110110110000101000₂
• Hexadecimal: 0x1E39C36C28
• Base-36: 1NMYD06G

Squares and roots of 129818127400

• 129818127400 squared (129818127400²) is 16852746201642630760000
• 129818127400 cubed (129818127400³) is 2187791953444709129272838824000000
• The square root of 129818127400 is 360302.8273549903
• The cube root of 129818127400 is 5063.4335327879

Scales and comparisons

• 129,818,127,400 seconds is equal to 4,127 years, 42 weeks, 2 days, 14 hours, 56 minutes, 40 seconds.
• To count from 1 to 129,818,127,400 would take you about eight thousand, two hundred fifty-five 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 129818127400 cubic inches would be around 422 feet tall.

Recreational maths with 129818127400

• 129818127400 backwards is 004721818921
• The number of decimal digits it has is: 12
• The sum of 129818127400's digits is 43
• More coming soon!