128828659680

Names of 128828659680

• Cardinal: 128828659680 can be written as One hundred twenty-eight billion, eight hundred twenty-eight million, six hundred fifty-nine thousand, six hundred eighty.

Scientific notation

• Scientific notation: 1.2882865968 × 10¹¹

Factors of 128828659680

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 487

Divisors of 128828659680

• Number of divisors d(n): 960
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 14 15 16 18 20 21 24 27 28 30 32 35 36 40 42 45 48 49 54 56 60 63 70 72 73 80 81 84 90 96 98 105 108 112 120 126 135 140 144 146 147 160 162 168 180 189 196 210 216 219 224 240 245 252 270 280 288 292 294 315 324 336 343 360 365 378 392 397 405 420 432 438 441 480 490 504 511 540 560 567 584 588 630 648 657 672 686 720 730 735 756 784 794 810 840 864 876 882 945 980 1008 1022 1029 1080 1095 1120 1134 1168 1176 1191 1260 1296 1314 1323 1372 1440 1460 1470 1512 1533 1568 1588 1620 1680 1715 1752 1764 1890 1960 1971 1985 2016 2044 2058 2160 2190 2205 2268 2336 2352 2382 2520 2555 2592 2628 2646 2744 2779 2835 2920 2940 3024 3066 3087 3176 3240 3285 3360 3430 3504 3528 3573 3577 3780 3920 3942 3969 3970 4088 4116 4320 4380 4410 4536 4599 4704 4764 5040 5110 5145 5256 5292 5488 5558 5670 5840 5880 5913 5955 6048 6132 6174 6352 6480 6570 6615 6860 7008 7056 7146 7154 7560 7665 7840 7884 7938 7940 8176 8232 8337 8760 8820 9072 9198 9261 9528 9855 10080 10220 10290 10512 10584 10719 10731 10976 11116 11340 11680 11760 11826 11910 12264 12348 12704 12960 13140 13230 13720 13797 13895 14112 14292 14308 15120 15330 15435 15768 15876 15880 16352 16464 16674 17520 17640 17865 17885 18144 18396 18522 19056 19453 19710 19845 20440 20580 21024 21168 21438 21462 22232 22680 22995 23520 23652 23820 24528 24696 25011 25039 26280 26460 27440 27594 27783 27790 28584 28616 28981 29565 30240 30660 30870 31536 31752 31760 32157 32193 32928 33348 35040 35280 35730 35770 36792 37044 38112 38906 39420 39690 40880 41160 41391 41685 42336 42876 42924 44464 45360 45990 46305 47304 47640 49056 49392 50022 50078 52560 52920 53595 53655 54880 55188 55566 55580 57168 57232 57962 58359 59130 61320 61740 63072 63504 63520 64314 64386 66696 68985 70560 71460 71540 73584 74088 75033 75117 77812 78840 79380 81760 82320 82782 83370 85752 85848 86943 88928 90720 91980 92610 94608 95280 96579 97265 98784 100044 100156 105120 105840 107190 107310 110376 111132 111160 114336 114464 115924 116718 118260 122640 123480 125055 125195 127008 128628 128772 133392 136171 137970 138915 142920 143080 144905 147168 148176 150066 150234 155624 157680 158760 160785 160965 164640 165564 166740 171504 171696 173886 175077 183960 185220 189216 190560 193158 194530 200088 200312 202867 206955 211680 214380 214620 220752 222264 222320 225099 225351 231848 233436 236520 245280 246960 250110 250390 257256 257544 260829 266784 272342 275940 277830 285840 286160 289737 289810 291795 296352 300132 300468 311248 315360 317520 321570 321930 331128 333480 343008 343392 347772 350154 367920 370440 375165 375585 386316 389060 400176 400624 405734 408513 413910 428760 429240 434715 441504 444528 444640 450198 450702 463696 466872 473040 482895 493920 500220 500780 514512 515088 521658 525231 544684 551880 555660 571680 572320 579474 579620 583590 600264 600936 608601 622496 635040 643140 643860 662256 666960 676053 680855 695544 700308 735840 740880 750330 751170 772632 778120 782487 800352 801248 811468 817026 827820 857520 858480 869430 875385 889056 900396 901404 927392 933744 946080 965790 1000440 1001560 1014335 1029024 1030176 1043316 1050462 1089368 1103760 1111320 1125495 1126755 1158948 1159240 1167180 1200528 1201872 1217202 1225539 1286280 1287720 1304145 1324512 1333920 1352106 1361710 1391088 1400616 1420069 1448685 1481760 1500660 1502340 1545264 1556240 1564974 1575693 1622936 1634052 1655640 1715040 1716960 1738860 1750770 1800792 1802808 1825803 1867488 1931580 2000880 2003120 2028159 2028670 2042565 2086632 2100924 2178736 2207520 2222640 2250990 2253510 2317896 2318480 2334360 2347461 2401056 2403744 2434404 2451078 2572560 2575440 2608290 2626155 2704212 2723420 2782176 2801232 2840138 2897370 3001320 3004680 3043005 3090528 3112480 3129948 3151386 3245872 3268104 3311280 3380265 3477720 3501540 3601584 3605616 3651606 3676617 3863160 3912435 4001760 4006240 4056318 4057340 4085130 4173264 4201848 4260207 4357472 4445280 4501980 4507020 4635792 4636960 4668720 4694922 4868808 4902156 5145120 5150880 5216580 5252310 5408424 5446840 5477409 5602464 5680276 5794740 6002640 6009360 6086010 6127695 6259896 6302772 6491744 6536208 6622560 6760530 6955440 7003080 7100345 7203168 7211232 7303212 7353234 7726320 7824870 7878465 8112636 8114680 8170260 8346528 8403696 8520414 9003960 9014040 9129015 9271584 9337440 9389844 9737616 9804312 9940483 10140795 10433160 10504620 10816848 10893680 10954818 11029851 11360552 11589480 11737305 12005280 12018720 12172020 12255390 12519792 12605544 12780621 13072416 13521060 13910880 14006160 14200690 14606424 14706468 15452640 15649740 15756930 16225272 16229360 16340520 16432227 16807392 17040828 18007920 18028080 18258030 18383085 18779688 19475232 19608624 19880966 20281590 20866320 21009240 21301035 21633696 21787360 21909636 22059702 22721104 23178960 23474610 24344040 24510780 25039584 25211088 25561242 27042120 27387045 28012320 28401380 29212848 29412936 29821449 31299480 31513860 32450544 32458720 32681040 32864454 34081656 36015840 36056160 36516060 36766170 37559376 38341863 39217248 39761932 40563180 41732640 42018480 42602070 43819272 44119404 45442208 46357920 46949220 48688080 49021560 49702415 50422176 51122484 54084240 54774090 55149255 56802760 58425696 58825872 59642898 62598960 63027720 63903105 64901088 65362080 65728908 68163312 73032120 73532340 75118752 76683726 79523864 81126360 82161135 84036960 85204140 87638544 88238808 89464347 93898440 97376160 98043120 99404830 102244968 108168480 109548180 110298510 113605520 115025589 117651744 119285796 125197920 126055440 127806210 131457816 136326624 146064240 147064680 149107245 153367452 159047728 162252720 164322270 170408280 175277088 176477616 178928694 187796880 191709315 196086240 198809660 204489936 219096360 220597020 227211040 230051178 238571592 252110880 255612420 262915632 268393041 292128480 294129360 298214490 306734904 318095456 324505440 328644540 340816560 352955232 357857388 375593760 383418630 397619320 408979872 438192720 441194040 447321735 460102356 477143184 511224840 525831264 536786082 575127945 588258720 596428980 613469808 657289080 681633120 715714776 766837260 795238640 805179123 876385440 882388080 894643470 920204712 954286368 1022449680 1073572164 1150255890 1192857960 1226939616 1314578160 1341965205 1431429552 1533674520 1590477280 1610358246 1764776160 1789286940 1840409424 2044899360 2147144328 2300511780 2385715920 2629156320 2683930410 2862859104 3067349040 3220716492 3578573880 3680818848 4025895615 4294288656 4601023560 4771431840 5367860820 6134698080 6441432984 7157147760 8051791230 8588577312 9202047120 10735721640 12882865968 14314295520 16103582460 18404094240 21471443280 25765731936 32207164920 42942886560 64414329840 128828659680
• Sum of all divisors σ(n): 538830230400
• Sum of proper divisors (its aliquot sum) s(n): 410001570720
• 128828659680 is an abundant number, because the sum of its proper divisors (410001570720) is greater than itself. Its abundance is 281172911040

Bases of 128828659680

• Binary: 1110111111110110010010101011111100000₂
• Hexadecimal: 0x1DFEC957E0
• Base-36: 1N6L9A00

Squares and roots of 128828659680

• 128828659680 squared (128828659680²) is 16596823554945257702400
• 128828659680 cubed (128828659680³) is 2138146533529050385572388319232000
• The square root of 128828659680 is 358927.0952157277
• The cube root of 128828659680 is 5050.5362915083

Scales and comparisons

• 128,828,659,680 seconds is equal to 4,096 years, 18 weeks, 2 days, 10 hours, 48 minutes.
• To count from 1 to 128,828,659,680 would take you about eight thousand, one hundred ninety-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 128828659680 cubic inches would be around 420.9 feet tall.

Recreational maths with 128828659680

• 128828659680 backwards is 086956828821
• 128828659680 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 128828659680's digits is 63
• More coming soon!