128195631200

Names of 128195631200

• Cardinal: 128195631200 can be written as One hundred twenty-eight billion, one hundred ninety-five million, six hundred thirty-one thousand, two hundred.

Scientific notation

• Scientific notation: 1.281956312 × 10¹¹

Factors of 128195631200

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 1354

Divisors of 128195631200

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 4 5 7 8 10 13 14 16 20 25 26 28 32 35 40 50 52 56 65 70 80 91 100 104 112 130 140 160 175 182 200 208 224 260 280 325 350 364 400 416 455 520 560 650 700 728 800 910 1040 1120 1300 1327 1400 1456 1820 2080 2275 2600 2654 2800 2912 3640 4550 5200 5308 5600 6635 7280 9100 9289 10400 10616 13270 14560 17251 18200 18578 21232 26540 33175 34502 36400 37156 42464 46445 53080 66350 69004 72800 74312 86255 92890 106160 120757 132700 138008 148624 172510 185780 212320 232225 241514 265400 276016 297248 345020 371560 431275 464450 483028 530800 552032 603785 690040 743120 862550 928900 966056 1061600 1207570 1380080 1486240 1725100 1760929 1857800 1932112 2415140 2760160 3018925 3450200 3521858 3715600 3864224 4830280 6037850 6900400 7043716 7431200 8804645 9660560 12075700 12326503 13800800 14087432 17609290 19321120 22892077 24151400 24653006 28174864 35218580 44023225 45784154 48302800 49306012 56349728 61632515 70437160 88046450 91568308 96605600 98612024 114460385 123265030 140874320 160244539 176092900 183136616 197224048 228920770 246530060 281748640 308162575 320489078 352185800 366273232 394448096 457841540 493060120 572301925 616325150 640978156 704371600 732546464 801222695 915683080 986120240 1144603850 1232650300 1281956312 1408743200 1602445390 1831366160 1972240480 2289207700 2465300600 2563912624 3204890780 3662732320 4006113475 4578415400 4930601200 5127825248 6409781560 8012226950 9156830800 9861202400 12819563120 16024453900 18313661600 25639126240 32048907800 64097815600 128195631200
• Sum of all divisors σ(n): 385469047152
• Sum of proper divisors (its aliquot sum) s(n): 257273415952
• 128195631200 is an abundant number, because the sum of its proper divisors (257273415952) is greater than itself. Its abundance is 129077784752

Bases of 128195631200

• Binary: 1110111011001000011100001100001100000₂
• Hexadecimal: 0x1DD90E1860
• Base-36: 1MW4DA3K

Squares and roots of 128195631200

• 128195631200 squared (128195631200²) is 16434119858766413440000
• 128195631200 cubed (128195631200³) is 2106782368511015224300963328000000
• The square root of 128195631200 is 358044.1749281783
• The cube root of 128195631200 is 5042.2503912743

Scales and comparisons

• 128,195,631,200 seconds is equal to 4,076 years, 11 weeks, 4 days, 17 hours, 33 minutes, 20 seconds.
• To count from 1 to 128,195,631,200 would take you about eight thousand, one hundred fifty-two 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 128195631200 cubic inches would be around 420.2 feet tall.

Recreational maths with 128195631200

• 128195631200 backwards is 002136591821
• The number of decimal digits it has is: 12
• The sum of 128195631200's digits is 38
• More coming soon!