128948934400

Names of 128948934400

• Cardinal: 128948934400 can be written as One hundred twenty-eight billion, nine hundred forty-eight million, nine hundred thirty-four thousand, four hundred.

Scientific notation

• Scientific notation: 1.289489344 × 10¹¹

Factors of 128948934400

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 140928

Divisors of 128948934400

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 4 5 8 10 11 13 16 20 22 25 26 32 40 44 50 52 55 64 65 80 88 100 104 110 128 130 143 160 176 200 208 220 256 260 275 286 320 325 352 400 416 440 520 550 572 640 650 704 715 800 832 880 1040 1100 1144 1280 1300 1408 1430 1600 1664 1760 2080 2200 2288 2600 2816 2860 3200 3328 3520 3575 4160 4400 4576 5200 5720 6400 7040 7150 8320 8800 9152 10400 11440 14080 14300 16640 17600 18304 20800 22880 28600 35200 36608 41600 45760 57200 70400 83200 91520 114400 140897 183040 228800 281794 457600 563588 704485 915200 1127176 1408970 1549867 1831661 2254352 2817940 3099734 3522425 3663322 4508704 5635880 6199468 7044850 7326644 7749335 9017408 9158305 11271760 12398936 14089700 14653288 15498670 18034816 18316610 20148271 22543520 24797872 28179400 29306576 30997340 36069632 36633220 38746675 40296542 45087040 45791525 49595744 56358800 58613152 61994680 73266440 77493350 80593084 90174080 91583050 99191488 100741355 112717600 117226304 123989360 146532880 154986700 161186168 180348160 183166100 198382976 201482710 225435200 234452608 247978720 293065760 309973400 322372336 366332200 396765952 402965420 450870400 468905216 495957440 503706775 586131520 619946800 644744672 732664400 805930840 901740800 991914880 1007413550 1172263040 1239893600 1289489344 1465328800 1611861680 1983829760 2014827100 2344526080 2479787200 2578978688 2930657600 3223723360 4029654200 4959574400 5157957376 5861315200 6447446720 8059308400 9919148800 11722630400 12894893440 16118616800 25789786880 32237233600 64474467200 128948934400
• Sum of all divisors σ(n): 374970156624
• Sum of proper divisors (its aliquot sum) s(n): 246021222224
• 128948934400 is an abundant number, because the sum of its proper divisors (246021222224) is greater than itself. Its abundance is 117072287824

Bases of 128948934400

• Binary: 1111000000101111101001001011100000000₂
• Hexadecimal: 0x1E05F49700
• Base-36: 1N8KV6KG

Squares and roots of 128948934400

• 128948934400 squared (128948934400²) is 16627827682895503360000
• 128948934400 cubed (128948934400³) is 2144140661096196264823619584000000
• The square root of 128948934400 is 359094.6036910051
• The cube root of 128948934400 is 5052.1075332345

Scales and comparisons

• 128,948,934,400 seconds is equal to 4,100 years, 9 weeks, 1 day, 12 hours, 26 minutes, 40 seconds.
• To count from 1 to 128,948,934,400 would take you about eight thousand, two hundred 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 128948934400 cubic inches would be around 421 feet tall.

Recreational maths with 128948934400

• 128948934400 backwards is 004439849821
• 128948934400 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 128948934400's digits is 52
• More coming soon!