128468340

Names of 128468340

• Cardinal: 128468340 can be written as One hundred twenty-eight million, four hundred sixty-eight thousand, three hundred forty.

Scientific notation

• Scientific notation: 1.2846834 × 10⁸

Factors of 128468340

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 95

Divisors of 128468340

• Number of divisors d(n): 576
• Complete list of divisors:
  1 2 3 4 5 6 7 9 10 11 12 13 14 15 18 20 21 22 23 26 28 30 31 33 35 36 39 42 44 45 46 52 55 60 62 63 65 66 69 70 77 78 84 90 91 92 93 99 105 110 115 117 124 126 130 132 138 140 143 154 155 156 161 165 180 182 186 195 198 207 210 217 220 230 231 234 252 253 260 273 276 279 286 299 308 310 315 322 330 341 345 364 372 385 390 396 403 414 420 429 434 455 460 462 465 468 483 495 506 546 558 572 585 598 620 630 644 651 660 682 690 693 713 715 759 770 780 805 806 819 828 858 868 897 910 924 930 966 990 1001 1012 1023 1035 1085 1092 1116 1155 1170 1196 1209 1260 1265 1287 1302 1364 1365 1380 1386 1395 1426 1430 1449 1495 1518 1540 1610 1612 1638 1705 1716 1771 1794 1820 1860 1932 1953 1980 2002 2015 2046 2070 2093 2139 2145 2170 2277 2310 2340 2387 2415 2418 2530 2574 2604 2691 2730 2772 2790 2821 2852 2860 2898 2990 3003 3036 3069 3220 3255 3276 3289 3410 3465 3542 3565 3588 3627 3795 3906 4004 4030 4092 4095 4140 4186 4278 4290 4340 4433 4485 4554 4620 4774 4830 4836 4991 5005 5060 5115 5148 5313 5382 5460 5580 5642 5796 5980 6006 6045 6138 6279 6417 6435 6510 6578 6820 6930 7084 7130 7161 7245 7254 7590 7812 7843 8060 8190 8372 8463 8556 8580 8855 8866 8970 9009 9108 9269 9548 9660 9765 9867 9982 10010 10230 10465 10626 10695 10764 11284 11385 11935 12012 12090 12276 12558 12834 12870 13020 13156 13299 13455 13860 14105 14260 14322 14490 14508 14973 15015 15180 15345 15686 15939 16380 16445 16926 17710 17732 17940 18018 18135 18538 18837 19530 19734 19964 20020 20460 20930 21252 21390 21483 22165 22770 23023 23529 23870 24180 24955 25116 25389 25668 25740 26565 26598 26910 27807 28210 28644 28980 29601 29946 30030 30690 31031 31372 31395 31878 32085 32890 33852 35420 35805 36036 36270 37076 37674 39060 39215 39468 39897 41860 42315 42780 42966 44330 44919 45045 45540 46046 46345 47058 47740 49335 49910 50778 53130 53196 53820 54901 55614 56420 59202 59892 60060 61380 62062 62790 63756 64170 64883 65780 66495 69069 70587 71610 72540 74865 75348 78430 79695 79794 83421 84630 85932 88660 89838 90090 92092 92690 93093 94116 94185 98670 99820 101556 101959 106260 107415 109802 111228 115115 117645 118404 124124 125580 126945 128340 129766 132990 138138 139035 141174 143220 148005 149730 155155 156860 159390 159588 164703 166842 169260 179676 180180 185380 186186 188370 194649 197340 199485 203918 207207 214830 219604 224595 230230 235290 253890 259532 265980 274505 276276 278070 279279 282348 296010 299460 305877 310310 318780 324415 329406 333684 345345 352935 372372 376740 389298 398970 407836 414414 417105 429660 449190 460460 465465 470580 494109 507780 509795 549010 556140 558558 583947 592020 611754 620620 648830 658812 690690 705870 713713 778596 797940 823515 828828 834210 898380 917631 930930 973245 988218 1019590 1036035 1098020 1117116 1167894 1223508 1297660 1381380 1396395 1411740 1427426 1529385 1647030 1668420 1835262 1861860 1946490 1976436 2039180 2072070 2141139 2335788 2470545 2792790 2854852 2919735 3058770 3294060 3568565 3670524 3892980 4144140 4282278 4588155 4941090 5585580 5839470 6117540 6423417 7137130 8564556 9176310 9882180 10705695 11678940 12846834 14274260 18352620 21411390 25693668 32117085 42822780 64234170 128468340
• Sum of all divisors σ(n): 563576832
• Sum of proper divisors (its aliquot sum) s(n): 435108492
• 128468340 is an abundant number, because the sum of its proper divisors (435108492) is greater than itself. Its abundance is 306640152

Bases of 128468340

• Binary: 111101010000100010101110100₂
• Hexadecimal: 0x7A84574
• Base-36: 24HIT0

Squares and roots of 128468340

• 128468340 squared (128468340²) is 16504114382355600
• 128468340 cubed (128468340³) is 2120256177871349221704000
• The square root of 128468340 is 11334.3874999931
• The cube root of 128468340 is 504.5823295537

Scales and comparisons

• 128,468,340 seconds is equal to 4 years, 4 weeks, 2 days, 21 hours, 39 minutes.
• To count from 1 to 128,468,340 would take you about six 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 128468340 cubic inches would be around 42 feet tall.

Recreational maths with 128468340

• 128468340 backwards is 043864821
• 128468340 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 128468340's digits is 36
• More coming soon!