128443868390400

Names of 128443868390400

• Cardinal: 128443868390400 can be written as One hundred twenty-eight trillion, four hundred forty-three billion, eight hundred sixty-eight million, three hundred ninety thousand, four hundred.

Scientific notation

• Scientific notation: 1.284438683904 × 10¹⁴

Factors of 128443868390400

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 1197

Divisors of 128443868390400

• Number of divisors d(n): 264
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 20 24 25 30 32 40 48 50 60 64 75 80 96 100 120 128 150 160 192 200 240 256 300 320 384 400 480 512 600 640 768 800 960 1024 1187 1200 1280 1536 1600 1920 2374 2400 2560 3072 3200 3561 3840 4748 4800 5120 5935 6400 7122 7680 9496 9600 11870 12800 14244 15360 17805 18992 19200 23740 25600 28488 29675 35610 37984 38400 47480 56976 59350 71220 75968 76800 89025 94960 113952 118700 142440 151936 178050 189920 227904 237400 284880 303872 356100 379840 455808 474800 569760 607744 712200 759680 911616 949600 1139520 1215488 1408969 1424400 1519360 1823232 1899200 2279040 2817938 2848800 3038720 3646464 3798400 4226907 4558080 5635876 5697600 6077440 7044845 7596800 8453814 9116160 11271752 11395200 14089690 15193600 16907628 18232320 21134535 22543504 22790400 28179380 30387200 33815256 35224225 42269070 45087008 45580800 56358760 67630512 70448450 84538140 90174016 91161600 105672675 112717520 135261024 140896900 169076280 180348032 211345350 225435040 270522048 281793800 338152560 360696064 422690700 450870080 541044096 563587600 676305120 721392128 845381400 901740160 1082088192 1127175200 1352610240 1442784256 1672446203 1690762800 1803480320 2164176384 2254350400 2705220480 3344892406 3381525600 3606960640 4328352768 4508700800 5017338609 5410440960 6689784812 6763051200 7213921280 8362231015 9017401600 10034677218 10820881920 13379569624 13526102400 16724462030 18034803200 20069354436 21641763840 25086693045 26759139248 27052204800 33448924060 36069606400 40138708872 41811155075 50173386090 53518278496 54104409600 66897848120 80277417744 83622310150 100346772180 107036556992 108208819200 125433465225 133795696240 160554835488 167244620300 200693544360 214073113984 250866930450 267591392480 321109670976 334489240600 401387088720 428146227968 501733860900 535182784960 642219341952 668978481200 802774177440 856292455936 1003467721800 1070365569920 1284438683904 1337956962400 1605548354880 1712584911872 2006935443600 2140731139840 2568877367808 2675913924800 3211096709760 4013870887200 4281462279680 5137754735616 5351827849600 6422193419520 8027741774400 8562924559360 10703655699200 12844386839040 16055483548800 21407311398400 25688773678080 32110967097600 42814622796800 64221934195200 128443868390400
• Sum of all divisors σ(n): 424871612146080
• Sum of proper divisors (its aliquot sum) s(n): 296427743755680
• 128443868390400 is an abundant number, because the sum of its proper divisors (296427743755680) is greater than itself. Its abundance is 167983875365280

Bases of 128443868390400

• Binary: 11101001101000110101011001001100010010000000000₂
• Hexadecimal: 0x74D1AB262400
• Base-36: 19J2AQX0QO

Squares and roots of 128443868390400

• 128443868390400 squared (128443868390400²) is 16497827327090396286812160000
• 128443868390400 cubed (128443868390400³) is 2119044761928343473227081930206347264000000
• The square root of 128443868390400 is 11333307.9191558189
• The cube root of 128443868390400 is 50455.0288647903

Scales and comparisons

• 128,443,868,390,400 seconds is equal to 4,084,117 years, 37 weeks, 2 hours, 40 minutes.
• To count from 1 to 128,443,868,390,400 would take you about ten million, two hundred ten thousand, two hundred ninety-four 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 128443868390400 cubic inches would be around 4204.6 feet tall.

Recreational maths with 128443868390400

• 128443868390400 backwards is 004093868344821
• 128443868390400 is a Harshad number.
• The number of decimal digits it has is: 15
• The sum of 128443868390400's digits is 60
• More coming soon!