128442266400

Names of 128442266400

• Cardinal: 128442266400 can be written as One hundred twenty-eight billion, four hundred forty-two million, two hundred sixty-six thousand, four hundred.

Scientific notation

• Scientific notation: 1.284422664 × 10¹¹

Factors of 128442266400

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 214

Divisors of 128442266400

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 24 25 28 30 32 35 40 42 48 50 56 60 70 75 80 84 96 100 105 112 120 140 150 160 168 175 197 200 210 224 240 280 300 336 350 394 400 420 480 525 560 591 600 672 700 788 800 840 985 1050 1120 1182 1200 1379 1400 1576 1680 1970 2100 2364 2400 2758 2800 2955 3152 3360 3940 4137 4200 4728 4925 5516 5600 5910 6304 6895 7880 8274 8400 9456 9850 11032 11820 13790 14775 15760 16548 16800 18912 19700 20685 22064 23640 27580 29550 31520 33096 34475 38809 39400 41370 44128 47280 55160 59100 66192 68950 77618 78800 82740 94560 103425 110320 116427 118200 132384 137900 155236 157600 165480 194045 206850 220640 232854 236400 271663 275800 310472 330960 388090 413700 465708 472800 543326 551600 582135 620944 661920 776180 814989 827400 931416 970225 1086652 1103200 1164270 1241888 1358315 1552360 1629978 1654800 1862832 1940450 2173304 2328540 2716630 2910675 3104720 3259956 3309600 3725664 3880900 4074945 4346608 4657080 5433260 5821350 6209440 6519912 6791575 7645373 7761800 8149890 8693216 9314160 10866520 11642700 13039824 13583150 15290746 15523600 16299780 18628320 20374725 21733040 22936119 23285400 26079648 27166300 30581492 31047200 32599560 38226865 40749450 43466080 45872238 46570800 53517611 54332600 61162984 65199120 76453730 81498900 91744476 93141600 107035222 108665200 114680595 122325968 130398240 152907460 160552833 162997800 183488952 191134325 214070444 217330400 229361190 244651936 267588055 305814920 321105666 325995600 366977904 382268650 428140888 458722380 535176110 573402975 611629840 642211332 651991200 733955808 764537300 802764165 856281776 917444760 1070352220 1146805950 1223259680 1284422664 1337940275 1529074600 1605528330 1712563552 1834889520 2140704440 2293611900 2568845328 2675880550 3058149200 3211056660 3669779040 4013820825 4281408880 4587223800 5137690656 5351761100 6116298400 6422113320 8027641650 8562817760 9174447600 10703522200 12844226640 16055283300 18348895200 21407044400 25688453280 32110566600 42814088800 64221133200 128442266400
• Sum of all divisors σ(n): 480243012480
• Sum of proper divisors (its aliquot sum) s(n): 351800746080
• 128442266400 is an abundant number, because the sum of its proper divisors (351800746080) is greater than itself. Its abundance is 223358479680

Bases of 128442266400

• Binary: 1110111100111110000010111001100100000₂
• Hexadecimal: 0x1DE7C17320
• Base-36: 1N077J1C

Squares and roots of 128442266400

• 128442266400 squared (128442266400²) is 16497415797968568960000
• 128442266400 cubed (128442266400³) is 2118965474834247513187090944000000
• The square root of 128442266400 is 358388.4295007303
• The cube root of 128442266400 is 5045.4819100507

Scales and comparisons

• 128,442,266,400 seconds is equal to 4,084 years, 3 weeks, 3 days, 7 hours, 20 minutes.
• To count from 1 to 128,442,266,400 would take you about eight thousand, one hundred sixty-eight 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 128442266400 cubic inches would be around 420.5 feet tall.

Recreational maths with 128442266400

• 128442266400 backwards is 004662244821
• The number of decimal digits it has is: 12
• The sum of 128442266400's digits is 39
• More coming soon!