128888381440

Names of 128888381440

• Cardinal: 128888381440 can be written as One hundred twenty-eight billion, eight hundred eighty-eight million, three hundred eighty-one thousand, four hundred forty.

Scientific notation

• Scientific notation: 1.2888838144 × 10¹¹

Factors of 128888381440

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 18
• Sum of prime factors: 407

Divisors of 128888381440

• Number of divisors d(n): 448
• Complete list of divisors:
  1 2 4 5 7 8 10 13 14 16 20 26 28 32 35 40 52 56 64 65 70 80 91 104 112 128 130 140 151 160 182 208 224 229 256 260 280 302 320 364 416 448 455 458 512 520 560 604 640 728 755 832 896 910 916 1024 1040 1057 1120 1145 1208 1280 1456 1510 1603 1664 1792 1820 1832 1963 2048 2080 2114 2240 2290 2416 2560 2912 2977 3020 3206 3328 3584 3640 3664 3926 4096 4160 4228 4480 4580 4832 5120 5285 5824 5954 6040 6412 6656 7168 7280 7328 7852 8015 8192 8320 8456 8960 9160 9664 9815 10240 10570 11648 11908 12080 12824 13312 13741 14336 14560 14656 14885 15704 16030 16640 16912 17920 18320 19328 19630 20480 20839 21140 23296 23816 24160 25648 26624 27482 28672 29120 29312 29770 31408 32060 33280 33824 34579 35840 36640 38656 39260 40960 41678 42280 46592 47632 48320 51296 53248 54964 57344 58240 58624 59540 62816 64120 66560 67648 68705 69158 71680 73280 77312 78520 83356 84560 93184 95264 96640 102592 104195 106496 109928 116480 117248 119080 125632 128240 133120 135296 137410 138316 143360 146560 154624 157040 166712 169120 172895 186368 190528 193280 205184 208390 219856 232960 234496 238160 242053 251264 256480 266240 270592 274820 276632 286720 293120 309248 314080 333424 338240 345790 372736 381056 386560 410368 416780 439712 449527 465920 468992 476320 484106 502528 512960 532480 541184 549640 553264 586240 618496 628160 666848 676480 691580 745472 762112 773120 820736 833560 879424 899054 931840 937984 952640 968212 1005056 1025920 1082368 1099280 1106528 1172480 1210265 1236992 1256320 1333696 1352960 1383160 1524224 1546240 1641472 1667120 1758848 1798108 1863680 1875968 1905280 1936424 2010112 2051840 2164736 2198560 2213056 2247635 2344960 2420530 2512640 2667392 2705920 2766320 3048448 3092480 3146689 3282944 3334240 3517696 3596216 3727360 3810560 3872848 4020224 4103680 4329472 4397120 4426112 4495270 4689920 4841060 5025280 5334784 5411840 5532640 6096896 6184960 6293378 6565888 6668480 7035392 7192432 7621120 7745696 8040448 8207360 8658944 8794240 8852224 8990540 9379840 9682120 10050560 10669568 10823680 11065280 12193792 12586756 13131776 13336960 14070784 14384864 15242240 15491392 15733445 16080896 16414720 17588480 17704448 17981080 19364240 20101120 21339136 21647360 22130560 24387584 25173512 26673920 28141568 28769728 30484480 30982784 31466890 32829440 35176960 35408896 35962160 38728480 40202240 42678272 43294720 44261120 50347024 53347840 56283136 57539456 60968960 61965568 62933780 65658880 70353920 70817792 71924320 77456960 80404480 85356544 88522240 100694048 106695680 112566272 115078912 121937920 123931136 125867560 140707840 141635584 143848640 154913920 170713088 177044480 201388096 213391360 230157824 247862272 251735120 281415680 283271168 287697280 309827840 354088960 402776192 426782720 460315648 495724544 503470240 562831360 575394560 619655680 708177920 805552384 853565440 920631296 991449088 1006940480 1150789120 1239311360 1416355840 1611104768 1841262592 1982898176 2013880960 2301578240 2478622720 3222209536 3682525184 4027761920 4603156480 4957245440 6444419072 8055523840 9206312960 9914490880 12888838144 16111047680 18412625920 25777676288 32222095360 64444190720 128888381440
• Sum of all divisors σ(n): 384887784960
• Sum of proper divisors (its aliquot sum) s(n): 255999403520
• 128888381440 is an abundant number, because the sum of its proper divisors (255999403520) is greater than itself. Its abundance is 127111022080

Bases of 128888381440

• Binary: 1111000000010010110001010000000000000₂
• Hexadecimal: 0x1E0258A000
• Base-36: 1N7KTBLS

Squares and roots of 128888381440

• 128888381440 squared (128888381440²) is 16612214870222936473600
• 128888381440 cubed (128888381440³) is 2141121486756533934046245289984000
• The square root of 128888381440 is 359010.2804099069
• The cube root of 128888381440 is 5051.3166052473

Scales and comparisons

• 128,888,381,440 seconds is equal to 4,098 years, 13 weeks, 16 hours, 10 minutes, 40 seconds.
• To count from 1 to 128,888,381,440 would take you about eight thousand, one hundred ninety-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 128888381440 cubic inches would be around 420.9 feet tall.

Recreational maths with 128888381440

• 128888381440 backwards is 044183888821
• The number of decimal digits it has is: 12
• The sum of 128888381440's digits is 55
• More coming soon!