128029179740

Names of 128029179740

• Cardinal: 128029179740 can be written as One hundred twenty-eight billion, twenty-nine million, one hundred seventy-nine thousand, seven hundred forty.

Scientific notation

• Scientific notation: 1.2802917974 × 10¹¹

Factors of 128029179740

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 2307

Divisors of 128029179740

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 4 5 7 10 11 14 17 20 22 28 31 34 35 44 55 62 68 70 73 77 85 110 119 124 140 146 154 155 170 187 217 220 238 292 308 310 340 341 365 374 385 434 476 511 527 595 620 682 730 748 770 803 868 935 1022 1054 1085 1190 1241 1309 1364 1460 1540 1606 1705 1870 2044 2108 2161 2170 2263 2380 2387 2482 2555 2618 2635 3212 3410 3689 3740 4015 4322 4340 4526 4774 4964 5110 5236 5270 5621 5797 6205 6545 6820 7378 8030 8644 8687 9052 9548 10220 10540 10805 11242 11315 11594 11935 12410 13090 13651 14756 15127 15841 16060 17374 18445 21610 22484 22630 23188 23771 23870 24820 24893 26180 27302 28105 28985 30254 31682 34748 36737 36890 38471 40579 43220 43435 45260 47542 47740 49786 54604 56210 57970 60508 63364 66991 68255 73474 73780 75635 76942 79205 81158 86870 95084 95557 99572 112420 115940 118855 124465 133982 136510 146948 151270 153884 157753 158410 162316 166397 173740 174251 183685 191114 192355 202895 237710 248930 257159 267964 269297 273020 302540 315506 316820 332794 334955 348502 367370 382228 384710 404107 405790 423181 468937 475420 477785 497860 514318 538594 631012 665588 669910 697004 734740 736901 769420 788765 808214 811580 831985 846362 871255 937874 955570 1028636 1077188 1104271 1138847 1285795 1339820 1346485 1473802 1577530 1616428 1663970 1692724 1735283 1742510 1875748 1911140 2020535 2115905 2208542 2277694 2344685 2571590 2681801 2692970 2828749 2947604 2962267 3155060 3327940 3470566 3485020 3684505 4041070 4231810 4417084 4555388 4689370 4890343 5143180 5158307 5363602 5385940 5521355 5657498 5694235 5924534 6941132 7369010 7971929 8082140 8463620 8676415 9378740 9780686 10316614 10727204 11042710 11314996 11388470 11849068 12146981 12527317 13409005 14143745 14738020 14811335 15943858 17352830 18772607 19561372 20633228 22085420 22776940 24293962 24451715 25054634 25791535 26818010 28287490 29499811 29622670 31887716 34232401 34705660 37545214 39859645 48587924 48903430 50109268 51583070 53636020 53793773 56574980 58999622 59245340 60734905 62636585 68464802 75090428 79719290 83135831 87691219 93863035 97806860 103166140 107587546 117999244 121469810 125273170 136929604 147499055 159438580 166271662 171162005 175382438 187726070 206498677 215175092 242939620 250546340 268968865 294998110 332543324 342324010 350764876 375452140 376556411 412997354 415679155 438456095 537937730 581950817 589996220 684648020 753112822 825994708 831358310 876912190 914494141 1032493385 1075875460 1163901634 1506225644 1662716620 1753824380 1828988282 1882782055 2064986770 2327803268 2909754085 3657976564 3765564110 4129973540 4572470705 5819508170 6401458987 7531128220 9144941410 11639016340 12802917974 18289882820 25605835948 32007294935 64014589870 128029179740
• Sum of all divisors σ(n): 371561250816
• Sum of proper divisors (its aliquot sum) s(n): 243532071076
• 128029179740 is an abundant number, because the sum of its proper divisors (243532071076) is greater than itself. Its abundance is 115502891336

Bases of 128029179740

• Binary: 1110111001111001000100011111101011100₂
• Hexadecimal: 0x1DCF223F5C
• Base-36: 1MTD9NBW

Squares and roots of 128029179740

• 128029179740 squared (128029179740²) is 16391470864897226467600
• 128029179740 cubed (128029179740³) is 2098586569564900264047845686424000
• The square root of 128029179740 is 357811.6540024933
• The cube root of 128029179740 is 5040.0671305725

Scales and comparisons

• 128,029,179,740 seconds is equal to 4,070 years, 48 weeks, 3 days, 5 hours, 2 minutes, 20 seconds.
• To count from 1 to 128,029,179,740 would take you about eight thousand, one hundred forty-one 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 128029179740 cubic inches would be around 420 feet tall.

Recreational maths with 128029179740

• 128029179740 backwards is 047971920821
• The number of decimal digits it has is: 12
• The sum of 128029179740's digits is 50
• More coming soon!