128709229824

Names of 128709229824

• Cardinal: 128709229824 can be written as One hundred twenty-eight billion, seven hundred nine million, two hundred twenty-nine thousand, eight hundred twenty-four.

Scientific notation

• Scientific notation: 1.28709229824 × 10¹¹

Factors of 128709229824

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 245

Divisors of 128709229824

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 21 24 27 28 32 36 42 48 49 54 56 63 64 72 84 96 98 108 112 126 128 144 147 168 189 192 196 216 224 233 252 256 288 294 336 343 378 384 392 432 441 448 466 504 576 588 672 686 699 756 768 784 864 882 896 932 1008 1029 1152 1176 1323 1344 1372 1398 1512 1568 1631 1728 1764 1792 1864 2016 2058 2097 2304 2352 2646 2688 2744 2796 3024 3087 3136 3262 3456 3528 3728 4032 4116 4194 4704 4893 5292 5376 5488 5592 6048 6174 6272 6291 6524 6912 7056 7456 8064 8232 8388 9261 9408 9786 10584 10976 11184 11417 12096 12348 12544 12582 13048 14112 14679 14912 16128 16464 16776 18522 18816 19572 21168 21952 22368 22834 24192 24696 25164 26096 28224 29358 29824 32928 33552 34251 37044 37632 39144 42336 43904 44037 44736 45668 48384 49392 50328 52192 54289 56448 58716 59648 65856 67104 68502 74088 78288 79919 84672 87808 88074 89472 91336 98784 100656 102753 104384 108578 112896 117432 131712 134208 137004 148176 156576 159838 162867 169344 176148 178944 182672 197568 201312 205506 208768 217156 234864 239757 263424 268416 274008 296352 308259 313152 319676 325734 338688 352296 365344 380023 395136 402624 411012 417536 434312 469728 479514 488601 536832 548016 592704 616518 626304 639352 651468 704592 719271 730688 760046 790272 805248 822024 868624 939456 959028 977202 1096032 1140069 1185408 1233036 1252608 1278704 1302936 1409184 1438542 1461376 1465803 1520092 1610496 1644048 1737248 1878912 1918056 1954404 2157813 2192064 2280138 2370816 2466072 2557408 2605872 2660161 2818368 2877084 2922752 2931606 3040184 3288096 3420207 3474496 3757824 3836112 3908808 4315626 4384128 4560276 4932144 5114816 5211744 5320322 5636736 5754168 5863212 6080368 6576192 6840414 6948992 7672224 7817616 7980483 8631252 8768256 9120552 9864288 10229632 10260621 10423488 10640644 11273472 11508336 11726424 12160736 13152384 13680828 13897984 15344448 15635232 15960966 17262504 18241104 18621127 19728576 20459264 20521242 20846976 21281288 23016672 23452848 23941449 24321472 26304768 27361656 30688896 31270464 31921932 34525008 36482208 37242254 39457152 41042484 41693952 42562576 46033344 46905696 47882898 48642944 54723312 55863381 61377792 62540928 63843864 69050016 71824347 72964416 74484508 78914304 82084968 85125152 92066688 93811392 95765796 97285888 109446624 111726762 125081856 127687728 138100032 143648694 145928832 148969016 164169936 167590143 170250304 184133376 187622784 191531592 218893248 223453524 255375456 276200064 287297388 291857664 297938032 328339872 335180286 340500608 375245568 383063184 437786496 446907048 502770429 510750912 552400128 574594776 595876064 656679744 670360572 681001216 766126368 875572992 893814096 1005540858 1021501824 1149189552 1191752128 1313359488 1340721144 1532252736 1787628192 2011081716 2043003648 2298379104 2383504256 2626718976 2681442288 3064505472 3575256384 4022163432 4596758208 4767008512 5362884576 6129010944 7150512768 8044326864 9193516416 10725769152 14301025536 16088653728 18387032832 21451538304 32177307456 42903076608 64354614912 128709229824
• Sum of all divisors σ(n): 445780048000
• Sum of proper divisors (its aliquot sum) s(n): 317070818176
• 128709229824 is an abundant number, because the sum of its proper divisors (317070818176) is greater than itself. Its abundance is 188361588352

Bases of 128709229824

• Binary: 1110111110111101010101111110100000000₂
• Hexadecimal: 0x1DF7AAFD00
• Base-36: 1N4M5HC0

Squares and roots of 128709229824

• 128709229824 squared (128709229824²) is 16566065841887251070976
• 128709229824 cubed (128709229824³) is 2132205575722982243989840119988224
• The square root of 128709229824 is 358760.6860067029
• The cube root of 128709229824 is 5048.9751189335

Scales and comparisons

• 128,709,229,824 seconds is equal to 4,092 years, 28 weeks, 6 days, 3 hours, 50 minutes, 24 seconds.
• To count from 1 to 128,709,229,824 would take you about eight thousand, one hundred eighty-five 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 128709229824 cubic inches would be around 420.7 feet tall.

Recreational maths with 128709229824

• 128709229824 backwards is 428922907821
• 128709229824 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 128709229824's digits is 54
• More coming soon!