129680036640

Names of 129680036640

• Cardinal: 129680036640 can be written as One hundred twenty-nine billion, six hundred eighty million, thirty-six thousand, six hundred forty.

Scientific notation

• Scientific notation: 1.2968003664 × 10¹¹

Factors of 129680036640

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 172

Divisors of 129680036640

• Number of divisors d(n): 1728
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 11 12 14 15 16 18 20 21 22 24 27 28 30 32 33 35 36 40 42 44 45 48 49 54 55 56 60 61 63 66 70 72 77 80 83 84 88 90 96 98 99 105 108 110 112 120 121 122 126 132 135 140 144 147 154 160 165 166 168 176 180 183 189 196 198 210 216 220 224 231 240 242 244 245 249 252 264 270 280 288 294 297 305 308 315 330 332 336 352 360 363 366 378 385 392 396 415 420 427 432 440 441 462 480 484 488 490 495 498 504 528 539 540 549 560 581 588 594 605 610 616 630 660 664 671 672 693 720 726 732 735 747 756 770 784 792 830 840 847 854 864 880 882 913 915 924 945 968 976 980 990 996 1008 1056 1078 1080 1089 1098 1120 1155 1162 1176 1188 1210 1220 1232 1245 1260 1281 1320 1323 1328 1342 1386 1440 1452 1464 1470 1485 1494 1512 1540 1568 1584 1617 1647 1660 1680 1694 1708 1743 1760 1764 1815 1826 1830 1848 1890 1936 1952 1960 1980 1992 2013 2016 2079 2135 2156 2160 2178 2196 2205 2241 2310 2324 2352 2376 2420 2440 2464 2490 2520 2541 2562 2640 2646 2656 2684 2695 2739 2745 2772 2904 2905 2928 2940 2970 2988 2989 3024 3080 3168 3234 3267 3294 3320 3355 3360 3388 3416 3465 3486 3528 3630 3652 3660 3696 3735 3780 3843 3872 3920 3960 3984 4026 4067 4158 4235 4270 4312 4320 4356 4392 4410 4482 4565 4620 4648 4697 4704 4752 4840 4851 4880 4980 5040 5063 5082 5124 5229 5280 5292 5368 5390 5445 5478 5490 5544 5808 5810 5856 5880 5929 5940 5976 5978 6039 6048 6160 6391 6405 6468 6534 6588 6615 6640 6710 6776 6832 6930 6972 7056 7260 7304 7320 7381 7392 7470 7560 7623 7686 7840 7920 7968 8052 8085 8134 8217 8235 8316 8470 8540 8624 8712 8715 8784 8820 8964 8967 9130 9240 9296 9394 9504 9680 9702 9760 9960 10043 10065 10080 10126 10164 10248 10395 10458 10584 10736 10780 10890 10956 10980 11088 11205 11529 11616 11620 11760 11858 11880 11952 11956 12078 12201 12320 12705 12782 12810 12936 13068 13176 13230 13280 13420 13552 13664 13695 13860 13944 14091 14112 14520 14553 14608 14640 14762 14940 14945 15120 15189 15246 15372 15687 15840 16104 16170 16268 16335 16434 16470 16632 16940 17080 17248 17424 17430 17568 17640 17787 17928 17934 18117 18260 18480 18592 18788 19173 19215 19360 19404 19920 20086 20130 20252 20328 20335 20496 20790 20916 21168 21472 21560 21780 21912 21960 22143 22176 22410 22869 23058 23240 23485 23520 23716 23760 23904 23912 24156 24255 24402 24651 25315 25410 25564 25620 25872 26136 26145 26352 26460 26840 26901 27104 27390 27720 27888 28182 29040 29106 29216 29280 29524 29645 29880 29890 30129 30195 30240 30378 30492 30744 31374 31955 32208 32340 32536 32670 32868 32879 32940 33264 33880 34160 34848 34860 35280 35441 35574 35856 35868 36234 36520 36603 36905 36960 37576 38115 38346 38430 38808 39840 40172 40260 40504 40656 40670 40992 41085 41580 41832 42273 42336 43120 43560 43824 43920 44286 44737 44820 44835 45567 45738 46116 46480 46970 47432 47520 47824 48312 48510 48804 49302 50215 50630 50820 51128 51240 51667 51744 52272 52290 52704 52920 53361 53680 53802 54780 55440 55693 55776 56364 57519 57645 58080 58212 59048 59290 59760 59780 60258 60390 60756 60984 61005 61488 62748 63910 64416 64680 65072 65340 65736 65758 65880 66429 66528 67760 68320 69720 70301 70455 70560 70882 71148 71712 71736 72468 72765 73040 73206 73810 75152 75945 76230 76692 76860 77616 78435 80344 80520 80703 81008 81312 81340 82170 83160 83664 84546 86240 87120 87648 87840 88572 88935 89474 89640 89670 90387 90585 91134 91476 92232 92960 93940 94864 95648 95865 96624 97020 97608 98604 98637 100430 101260 101640 102256 102480 103334 104544 104580 105840 106323 106722 107360 107604 109560 109809 110715 110880 111386 112728 114345 115038 115290 116424 118096 118580 119520 119560 120516 120780 121512 121968 122010 122976 123255 125496 126819 127820 129360 130144 130680 131472 131516 131760 132858 134211 134505 135520 136701 139440 140602 140910 141764 142296 143472 144936 145530 146080 146412 147620 150304 150645 151890 152460 153384 153720 155001 155232 156870 160083 160688 161040 161406 162016 162680 164340 164395 166320 167079 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60148440 60740064 62376160 64325415 64421280 65100420 65494968 66163284 66434445 66983490 68613776 70173180 70863408 71018640 71449056 73514760 73681839 74400480 75925080 76552560 77190498 78120504 78737120 80197920 81868710 82704105 84207816 85767220 86800560 87326624 88217712 88579260 89311320 90055581 93564240 96631920 97650630 98019680 98242452 101233440 102920664 104160672 105259770 106295112 107173584 109158280 110272140 111600720 112277088 115785747 118105680 119081760 120074108 120296880 122803065 128650830 130200840 130989936 132326568 132868890 133966980 137227552 140346360 141726816 142037280 147029520 147363678 150092635 151850160 153105120 154380996 156241008 163737420 165408210 168415632 171534440 173601120 176435424 177158520 178622640 180111162 187128480 192976245 193263840 195301260 196484904 205841328 210519540 212590224 214347168 218316560 220544280 223201440 231571494 236211360 240148216 240593760 245606130 257301660 260401680 261979872 264653136 265737780 267933960 270166743 280692720 294059040 294727356 300185270 303700320 308761992 312482016 327474840 330816420 336831264 343068880 354317040 357245280 360222324 368409195 385952490 390602520 392969808 411682656 421039080 425180448 436633120 441088560 450277905 463142988 480296432 491212260 514603320 520803360 529306272 531475560 535867920 540333486 561385440 578928735 589454712 600370540 617523984 654949680 661632840 686137760 708634080 720444648 736818390 771904980 781205040 785939616 810500229 842078160 882177120 900555810 926285976 960592864 982424520 1029206640 1062951120 1071735840 1080666972 1157857470 1178909424 1200741080 1235047968 1309899360 1323265680 1350833715 1440889296 1473636780 1543809960 1562410080 1621000458 1684156320 1801111620 1852571952 1964849040 2058413280 2125902240 2161333944 2315714940 2357818848 2401482160 2646531360 2701667430 2881778592 2947273560 3087619920 3242000916 3602223240 3705143904 3929698080 4052501145 4322667888 4631429880 4802964320 5403334860 5894547120 6175239840 6484001832 7204446480 8105002290 8645335776 9262859760 10806669720 11789094240 12968003664 14408892960 16210004580 18525719520 21613339440 25936007328 32420009160 43226678880 64840018320 129680036640
• Sum of all divisors σ(n): 596965541760
• Sum of proper divisors (its aliquot sum) s(n): 467285505120
• 129680036640 is an abundant number, because the sum of its proper divisors (467285505120) is greater than itself. Its abundance is 337605468480

Bases of 129680036640

• Binary: 1111000110001100010000101001100100000₂
• Hexadecimal: 0x1E31885320
• Base-36: 1NKO58O0

Squares and roots of 129680036640

• 129680036640 squared (129680036640²) is 16816911902951742489600
• 129680036640 cubed (129680036640³) is 2180817751746434090203172818944000
• The square root of 129680036640 is 360111.1448428109
• The cube root of 129680036640 is 5061.6375292329

Scales and comparisons

• 129,680,036,640 seconds is equal to 4,123 years, 22 weeks, 8 hours, 24 minutes.
• To count from 1 to 129,680,036,640 would take you about eight thousand, two hundred forty-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 129680036640 cubic inches would be around 421.8 feet tall.

Recreational maths with 129680036640

• 129680036640 backwards is 046630086921
• 129680036640 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 129680036640's digits is 45
• More coming soon!