128744421080

Names of 128744421080

• Cardinal: 128744421080 can be written as One hundred twenty-eight billion, seven hundred forty-four million, four hundred twenty-one thousand and eighty.

Scientific notation

• Scientific notation: 1.2874442108 × 10¹¹

Factors of 128744421080

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 436

Divisors of 128744421080

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 4 5 8 10 11 17 20 22 34 40 44 55 61 68 85 88 110 113 121 122 136 170 187 220 226 227 242 244 305 340 374 440 452 454 484 488 565 605 610 671 680 748 904 908 935 968 1037 1130 1135 1210 1220 1243 1342 1496 1816 1870 1921 2057 2074 2260 2270 2420 2440 2486 2497 2684 3355 3740 3842 3859 4114 4148 4520 4540 4840 4972 4994 5185 5368 6215 6710 6893 7381 7480 7684 7718 8228 8296 9080 9605 9944 9988 10285 10370 11407 12430 12485 13420 13673 13786 13847 14762 15368 15436 16456 19210 19295 19976 20570 20740 21131 22814 24860 24970 25651 26840 27346 27467 27572 27694 29524 30872 34465 36905 38420 38590 41140 41480 42262 42449 45628 49720 49940 51302 54692 54934 55144 55388 57035 59048 68365 68930 69235 73810 75823 76840 77180 82280 84524 84898 91256 99880 102604 105655 109384 109868 110776 114070 117181 125477 128255 136730 137335 137860 138470 147620 151646 152317 154360 169048 169796 205208 211310 212245 219736 228140 232441 234362 235399 250954 256510 273460 274670 275720 276940 282161 295240 303292 304634 339592 379115 422620 424490 436067 456280 464882 466939 468724 470798 501908 513020 546920 549340 553880 564322 585905 606584 609268 627385 758230 761585 834053 845240 848980 872134 929764 933878 937448 941596 1003816 1026040 1098680 1128644 1162205 1171810 1176995 1218536 1254770 1288991 1410805 1516460 1523170 1564711 1668106 1675487 1697960 1744268 1859528 1867756 1883192 2180335 2257288 2324410 2334695 2343620 2353990 2509540 2577982 2589389 2821610 3032920 3046340 3103771 3129422 3336212 3350974 3488536 3735512 4170265 4360670 4648820 4669390 4687240 4707980 4796737 5019080 5155964 5178778 5643220 6092680 6207542 6258844 6444955 6672424 6701948 7823555 8340530 8377435 8721340 9297640 9338780 9415960 9593474 10311928 10357556 11286440 12415084 12517688 12889910 12946945 13403896 14178901 15518855 15647110 16681060 16754870 17211821 17442680 18677560 19186948 20715112 23983685 24830168 25779820 25893890 26600087 28357802 28483279 31037710 31294220 33362120 33509740 34423642 38373896 47967370 51559640 51787780 52764107 53200174 56715604 56966558 62075420 62588440 67019480 68847284 70894505 86059105 95934740 103575560 105528214 106400348 113431208 113933116 124150840 133000435 137694568 141789010 142416395 172118210 189330031 191869480 211056428 212800696 227866232 263820535 266000870 283578020 284832790 292600957 344236420 378660062 422112856 527641070 532001740 567156040 569665580 585201914 688472840 757320124 946650155 1055282140 1064003480 1139331160 1170403828 1463004785 1514640248 1893300310 2110564280 2340807656 2926009570 3218610527 3786600620 5852019140 6437221054 7573201240 11704038280 12874442108 16093052635 25748884216 32186105270 64372210540 128744421080
• Sum of all divisors σ(n): 347214651840
• Sum of proper divisors (its aliquot sum) s(n): 218470230760
• 128744421080 is an abundant number, because the sum of its proper divisors (218470230760) is greater than itself. Its abundance is 89725809680

Bases of 128744421080

• Binary: 1110111111001110000111111011011011000₂
• Hexadecimal: 0x1DF9C3F6D8
• Base-36: 1N573R2W

Squares and roots of 128744421080

• 128744421080 squared (128744421080²) is 16575125959224348366400
• 128744421080 cubed (128744421080³) is 2133954995948418416272411723712000
• The square root of 128744421080 is 358809.7282404701
• The cube root of 128744421080 is 5049.4352350807

Scales and comparisons

• 128,744,421,080 seconds is equal to 4,093 years, 35 weeks, 11 hours, 11 minutes, 20 seconds.
• To count from 1 to 128,744,421,080 would take you about eight thousand, one hundred eighty-seven 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 128744421080 cubic inches would be around 420.8 feet tall.

Recreational maths with 128744421080

• 128744421080 backwards is 080124447821
• The number of decimal digits it has is: 12
• The sum of 128744421080's digits is 41
• More coming soon!