128042979456

Names of 128042979456

• Cardinal: 128042979456 can be written as One hundred twenty-eight billion, forty-two million, nine hundred seventy-nine thousand, four hundred fifty-six.

Scientific notation

• Scientific notation: 1.28042979456 × 10¹¹

Factors of 128042979456

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 460

Divisors of 128042979456

• Number of divisors d(n): 512
• Complete list of divisors:
  1 2 3 4 6 7 8 12 14 16 17 21 24 28 32 34 42 48 51 56 64 68 84 96 102 112 113 119 128 136 137 168 181 192 204 224 226 238 272 274 336 339 357 362 384 408 411 448 452 476 543 544 548 672 678 714 724 791 816 822 896 904 952 959 1086 1088 1096 1267 1344 1356 1428 1448 1582 1632 1644 1808 1904 1918 1921 2172 2176 2192 2329 2373 2534 2688 2712 2856 2877 2896 3077 3164 3264 3288 3616 3801 3808 3836 3842 4344 4384 4658 4746 5068 5424 5712 5754 5763 5792 6154 6328 6528 6576 6987 7232 7602 7616 7672 7684 8688 8768 9231 9316 9492 10136 10848 11424 11508 11526 11584 12308 12656 13152 13447 13974 14464 15204 15232 15344 15368 15481 16303 17376 17536 18462 18632 18984 20272 20453 21539 21696 22848 23016 23052 23168 24616 24797 25312 26304 26894 27948 30408 30688 30736 30962 32606 34752 36924 37264 37968 40341 40544 40906 43078 43392 45696 46032 46104 46443 48909 49232 49594 50624 52608 53788 55896 60816 61359 61376 61472 61924 64617 65212 69504 73848 74391 74528 75936 80682 81088 81812 86156 92064 92208 92886 97818 98464 99188 101248 107576 108367 111792 121632 122718 122752 122944 123848 129234 130424 143171 147696 148782 149056 151872 161364 162176 163624 172312 173579 184128 184416 185772 195636 196928 198376 215152 216734 223584 243264 245436 245888 247696 258468 260848 263177 286342 295392 297564 298112 303744 322728 325101 327248 344624 347158 347701 368256 368832 371544 391272 393856 396752 421549 429513 430304 433468 447168 486528 490872 495392 516936 520737 521696 526354 572684 590784 595128 645456 650202 654496 689248 694316 695402 737664 743088 782544 789531 793504 843098 859026 860608 866936 894336 981744 990784 1033872 1041474 1043103 1043392 1052708 1145368 1181568 1190256 1264647 1290912 1300404 1308992 1378496 1388632 1390804 1486176 1565088 1579062 1587008 1686196 1718052 1721216 1733872 1842239 1963488 1981568 2067744 2082948 2086206 2086784 2105416 2290736 2380512 2433907 2529294 2581824 2600808 2617984 2756992 2777264 2781608 2802061 2950843 2972352 3130176 3158124 3174016 3372392 3436104 3467744 3684478 3926976 4135488 4165896 4172412 4210832 4581472 4761024 4867814 5058588 5163648 5201616 5526717 5554528 5563216 5604122 5901686 5944704 6260352 6316248 6744784 6872208 6935488 7301721 7368956 7853952 8270976 8331792 8344824 8406183 8421664 8852529 9162944 9522048 9735628 10117176 10403232 11053434 11109056 11126432 11208244 11803372 12632496 13489568 13744416 13870976 14603442 14737912 16663584 16689648 16812366 16843328 17705058 18325888 19471256 19614427 20234352 20806464 22106868 22218112 22252864 22416488 23606744 25264992 26979136 27488832 29206884 29475824 33327168 33379296 33624732 33686656 35410116 38942512 39228854 40468704 41612928 44213736 44505728 44832976 47213488 47635037 50529984 53958272 54977664 58413768 58843281 58951648 66654336 66758592 67249464 70820232 77885024 78457708 80937408 88427472 89665952 94426976 95270074 101059968 116827536 117686562 117903296 133517184 134498928 141640464 142905111 155770048 156915416 161874816 176854944 179331904 188853952 190540148 233655072 235373124 235806592 268997856 283280928 285810222 311540096 313830832 333445259 353709888 358663808 377707904 381080296 467310144 470746248 537995712 566561856 571620444 627661664 666890518 707419776 762160592 934620288 941492496 1000335777 1075991424 1133123712 1143240888 1255323328 1333781036 1524321184 1882984992 2000671554 2286481776 2510646656 2667562072 3048642368 3765969984 4001343108 4572963552 5335124144 6097284736 7531939968 8002686216 9145927104 10670248288 16005372432 18291854208 21340496576 32010744864 42680993152 64021489728 128042979456
• Sum of all divisors σ(n): 420550341120
• Sum of proper divisors (its aliquot sum) s(n): 292507361664
• 128042979456 is an abundant number, because the sum of its proper divisors (292507361664) is greater than itself. Its abundance is 164464382208

Bases of 128042979456

• Binary: 1110111001111111101001101000010000000₂
• Hexadecimal: 0x1DCFF4D080
• Base-36: 1MTLHF9C

Squares and roots of 128042979456

• 128042979456 squared (128042979456²) is 16395004587969638055936
• 128042979456 cubed (128042979456³) is 2099265235638422110347969026850816
• The square root of 128042979456 is 357830.9369744323
• The cube root of 128042979456 is 5040.2482064711

Scales and comparisons

• 128,042,979,456 seconds is equal to 4,071 years, 19 weeks, 1 day, 22 hours, 17 minutes, 36 seconds.
• To count from 1 to 128,042,979,456 would take you about eight thousand, one hundred forty-two 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 128042979456 cubic inches would be around 420 feet tall.

Recreational maths with 128042979456

• 128042979456 backwards is 654979240821
• The number of decimal digits it has is: 12
• The sum of 128042979456's digits is 57
• More coming soon!