128142791392

Names of 128142791392

• Cardinal: 128142791392 can be written as One hundred twenty-eight billion, one hundred forty-two million, seven hundred ninety-one thousand, three hundred ninety-two.

Scientific notation

• Scientific notation: 1.28142791392 × 10¹¹

Factors of 128142791392

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 191

Divisors of 128142791392

• Number of divisors d(n): 480
• Complete list of divisors:
  1 2 4 7 8 11 14 16 22 28 31 32 44 49 56 62 67 73 77 88 98 112 124 134 146 154 176 196 217 224 248 268 292 308 341 343 352 392 434 469 496 511 536 539 584 616 682 686 737 784 803 868 938 992 1022 1072 1078 1168 1232 1364 1372 1474 1519 1568 1606 1736 1876 2044 2077 2144 2156 2263 2336 2387 2401 2464 2728 2744 2948 3038 3212 3283 3472 3577 3752 3773 4088 4154 4312 4526 4774 4802 4891 5159 5456 5488 5621 5896 6076 6424 6566 6944 7154 7504 7546 8176 8308 8624 9052 9548 9604 9782 10318 10633 10912 10976 11242 11792 12152 12848 13132 14308 14539 15008 15092 15841 16352 16616 16709 17248 18104 19096 19208 19564 20636 21266 22484 22847 22981 23584 24304 24893 25039 25696 26264 26411 28616 29078 30184 31682 33232 33418 34237 36113 36208 38192 38416 39128 39347 41272 42532 44968 45694 45962 48608 49786 50078 52528 52822 53801 57232 58156 60368 63364 66464 66836 68474 72226 72416 74431 76384 76832 78256 78694 82544 85064 89936 91388 91924 99572 100156 101773 105056 105644 107602 110887 114464 116312 116963 120736 126728 133672 136948 144452 148862 151621 156512 157388 159929 160867 165088 170128 174251 175273 179872 182776 183848 199144 200312 203546 211288 215204 221774 232624 233926 239659 252791 253456 267344 273896 275429 288904 297724 303242 314776 319858 321734 340256 348502 350546 365552 367696 376607 398288 400624 407092 422576 430408 443548 465248 467852 479318 505582 506912 534688 547792 550858 577808 595448 606484 629552 639716 643468 697004 701092 712411 731104 735392 753214 776209 796576 801248 814184 818741 845152 860816 887096 935704 958636 1011164 1061347 1095584 1101716 1119503 1155616 1190896 1212968 1219757 1259104 1279432 1286936 1394008 1402184 1424822 1506428 1552418 1628368 1637482 1667831 1677613 1721632 1769537 1774192 1871408 1917272 1928003 2022328 2122694 2203432 2239006 2381792 2425936 2439514 2558864 2573872 2636249 2788016 2804368 2849644 3012856 3104836 3256736 3274964 3335662 3355226 3539074 3548384 3742816 3834544 3856006 4044656 4245388 4406864 4478012 4851872 4879028 4986877 5117728 5147744 5272498 5433463 5576032 5608736 5699288 6025712 6209672 6549928 6671324 6710452 7078148 7429429 7669088 7712012 7836521 8089312 8490776 8538299 8813728 8956024 9758056 9973754 10544996 10866926 11398576 11674817 11743291 12051424 12419344 13099856 13342648 13420904 14156296 14858858 15424024 15673042 16981552 17076598 17912048 18453743 19516112 19947508 21089992 21733852 22797152 23349634 23486582 24838688 26199712 26685296 26841808 28312592 29717716 30848048 31346084 33963104 34153196 35824096 36907486 39032224 39895016 42179984 43467704 46699268 46973164 52006003 53370592 53683616 54855647 56625184 59435432 59768093 61696096 62692168 68306392 73814972 79790032 81723719 84359968 86935408 93398536 93946328 104012006 109711294 118870864 119536186 125384336 129176201 136612784 147629944 159580064 163447438 173870816 186797072 187892656 208024012 219422588 237741728 239072372 250768672 258352402 273225568 295259888 326894876 364042021 373594144 375785312 416048024 438845176 478144744 516704804 572066033 590519776 653789752 728084042 832096048 877690352 956289488 1033409608 1144132066 1307579504 1456168084 1664192096 1755380704 1912578976 2066819216 2288264132 2615159008 2912336168 4004462231 4133638432 4576528264 5824672336 8008924462 9153056528 11649344672 16017848924 18306113056 32035697848 64071395696 128142791392
• Sum of all divisors σ(n): 340977337344
• Sum of proper divisors (its aliquot sum) s(n): 212834545952
• 128142791392 is an abundant number, because the sum of its proper divisors (212834545952) is greater than itself. Its abundance is 84691754560

Bases of 128142791392

• Binary: 1110111010101111001111101001011100000₂
• Hexadecimal: 0x1DD5E7D2E0
• Base-36: 1MV8WQN4

Squares and roots of 128142791392

• 128142791392 squared (128142791392²) is 16420574985733629297664
• 128142791392 cubed (128142791392³) is 2104178314933557835169617424908288
• The square root of 128142791392 is 357970.3778135839
• The cube root of 128142791392 is 5041.5575227409

Scales and comparisons

• 128,142,791,392 seconds is equal to 4,074 years, 28 weeks, 2 days, 3 hours, 49 minutes, 52 seconds.
• To count from 1 to 128,142,791,392 would take you about eight thousand, one hundred forty-nine 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 128142791392 cubic inches would be around 420.1 feet tall.

Recreational maths with 128142791392

• 128142791392 backwards is 293197241821
• 128142791392 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 128142791392's digits is 49
• More coming soon!