129813523840

Names of 129813523840

• Cardinal: 129813523840 can be written as One hundred twenty-nine billion, eight hundred thirteen million, five hundred twenty-three thousand, eight hundred forty.

Scientific notation

• Scientific notation: 1.2981352384 × 10¹¹

Factors of 129813523840

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 147

Divisors of 129813523840

• Number of divisors d(n): 768
• Complete list of divisors:
  1 2 4 5 7 8 10 11 13 14 16 20 22 26 28 32 35 40 44 52 55 56 64 65 70 77 80 88 91 104 109 110 112 121 128 130 140 143 154 160 169 176 182 208 218 220 224 242 260 280 286 308 320 338 352 364 385 416 436 440 448 455 484 520 545 560 572 605 616 640 676 704 715 728 763 770 832 845 847 872 880 896 910 968 1001 1040 1090 1120 1144 1183 1199 1210 1232 1352 1408 1417 1430 1456 1526 1540 1573 1664 1690 1694 1744 1760 1820 1859 1936 2002 2080 2180 2197 2240 2288 2366 2398 2420 2464 2704 2834 2860 2912 3052 3080 3146 3380 3388 3488 3520 3640 3718 3815 3872 4004 4160 4235 4360 4394 4480 4576 4732 4796 4840 4928 5005 5408 5668 5720 5824 5915 5995 6104 6160 6292 6760 6776 6976 7040 7085 7280 7436 7630 7744 7865 8008 8320 8393 8470 8720 8788 9152 9295 9464 9592 9680 9856 9919 10010 10816 10985 11011 11336 11440 11648 11830 11990 12208 12320 12584 13013 13189 13520 13552 13952 14170 14560 14872 15260 15379 15488 15587 15730 16016 16786 16940 17440 17576 18304 18421 18590 18928 19184 19360 19838 20020 20449 21632 21970 22022 22672 22880 23660 23980 24167 24416 24640 25168 26026 26378 27040 27104 28340 29120 29744 30520 30758 31174 31460 32032 33572 33880 34880 35152 36842 37180 37856 38368 38720 39676 40040 40898 41965 43940 44044 45344 45760 47320 47960 48334 48832 49280 49595 50336 52052 52756 54080 54208 55055 56680 58240 59488 61040 61516 62348 62920 64064 65065 65945 67144 67760 69760 70304 73684 74360 75712 76736 76895 77440 77935 79352 80080 81796 83930 87880 88088 90688 91520 92105 92323 94640 95920 96668 97664 99190 100672 102245 104104 105512 108160 108416 109109 110110 113360 118976 120835 122080 123032 124696 125840 128128 128947 130130 131890 134288 135520 140608 143143 147368 148720 151424 153472 153790 155870 158704 160160 163592 167860 169169 171457 175760 176176 181376 184210 184646 189280 191840 193336 198380 201344 202631 204490 208208 211024 218218 220220 226720 237952 239473 241670 244160 246064 249392 251680 257894 260260 263780 265837 268576 271040 281216 286286 294736 297440 307580 311740 317408 320320 327184 335720 338338 342914 351520 352352 368420 369292 378560 383680 386672 396760 405262 408980 416416 422048 436436 440440 453440 461615 478946 483340 488320 492128 498784 503360 515788 520520 527560 531674 537152 542080 545545 572572 589472 594880 615160 623480 634816 640640 644735 654368 671440 676676 685828 703040 704704 715715 736840 738584 757120 767360 773344 793520 810524 817960 832832 844096 845845 857285 872872 880880 906880 923230 957892 966680 984256 997568 1006720 1013155 1031576 1041040 1055120 1063348 1074304 1091090 1145144 1178944 1189760 1197365 1200199 1230320 1246960 1269632 1289470 1308736 1329185 1342880 1353352 1371656 1406080 1409408 1418417 1431430 1473680 1477168 1546688 1587040 1621048 1635920 1665664 1676311 1688192 1691690 1714570 1745744 1761760 1846460 1860859 1915784 1933360 1968512 1995136 2026310 2063152 2082080 2110240 2126696 2182180 2228941 2290288 2357888 2394730 2400398 2460640 2493920 2578940 2617472 2634203 2658370 2685760 2706704 2743312 2836834 2862860 2947360 2954336 3093376 3174080 3242096 3271840 3352622 3383380 3429140 3491488 3523520 3692920 3721718 3831568 3866720 4052620 4126304 4164160 4220480 4253392 4364360 4457882 4580576 4789460 4800796 4921280 4987840 5157880 5268406 5316740 5371520 5413408 5486624 5673668 5725720 5894720 5908672 6000995 6348160 6484192 6543680 6705244 6766760 6858280 6982976 7047040 7092085 7385840 7443436 7663136 7733440 8105240 8252608 8328320 8381555 8440960 8506784 8728720 8915764 9161152 9304295 9578920 9601592 9842560 9975680 10315760 10536812 10633480 10826816 10973248 11144705 11347336 11451440 11789440 11817344 12001990 12968384 13087360 13171015 13410488 13533520 13716560 13965952 14184170 14771680 14886872 15326272 15466880 15602587 16210480 16505216 16763110 17013568 17457440 17831528 18322304 18439421 18608590 19157840 19203184 20631520 21073624 21266960 21653632 21946496 22289410 22694672 22902880 24003980 25936768 26342030 26820976 27067040 27433120 28368340 28976233 29543360 29773744 30652544 31205174 32420960 33526220 34027136 34914880 35663056 36878842 37217180 38315680 38406368 41263040 42147248 42533920 44578820 45389344 45805760 48007960 52684060 53641952 54134080 54866240 56736680 57952466 59086720 59547488 62410348 64841920 67052440 69829760 71326112 73757684 74434360 76631360 76812736 78012935 82526080 84294496 85067840 89157640 90778688 91611520 92197105 96015920 105368120 107283904 108268160 109732480 113473360 115904932 119094976 124820696 129683840 134104880 142652224 144881165 147515368 148868720 153262720 153625472 156025870 168588992 170135680 178315280 181557376 184394210 192031840 202833631 210736240 214567808 226946720 231809864 238189952 249641392 268209760 285304448 289762330 295030736 297737440 312051740 337177984 356630560 368788420 384063680 405667262 421472480 453893440 463619728 499282784 536419520 579524660 590061472 595474880 624103480 713261120 737576840 768127360 811334524 842944960 907786880 927239456 998565568 1014168155 1072839040 1159049320 1180122944 1190949760 1248206960 1426522240 1475153680 1622669048 1685889920 1854478912 1997131136 2028336310 2318098640 2360245888 2496413920 2950307360 3245338096 3708957824 4056672620 4636197280 4992827840 5900614720 6490676192 8113345240 9272394560 9985655680 11801229440 12981352384 16226690480 18544789120 25962704768 32453380960 64906761920 129813523840
• Sum of all divisors σ(n): 426189456000
• Sum of proper divisors (its aliquot sum) s(n): 296375932160
• 129813523840 is an abundant number, because the sum of its proper divisors (296375932160) is greater than itself. Its abundance is 166562408320

Bases of 129813523840

• Binary: 1111000111001011111010010110110000000₂
• Hexadecimal: 0x1E397D2D80
• Base-36: 1NMVMC1S

Squares and roots of 129813523840

• 129813523840 squared (129813523840²) is 16851550971758248345600
• 129813523840 cubed (129813523840³) is 2187559213813314538328186159104000
• The square root of 129813523840 is 360296.4388389095
• The cube root of 129813523840 is 5063.3736795761

Scales and comparisons

• 129,813,523,840 seconds is equal to 4,127 years, 34 weeks, 5 days, 8 hours, 10 minutes, 40 seconds.
• To count from 1 to 129,813,523,840 would take you about eight thousand, two hundred fifty-five 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 129813523840 cubic inches would be around 421.9 feet tall.

Recreational maths with 129813523840

• 129813523840 backwards is 048325318921
• The number of decimal digits it has is: 12
• The sum of 129813523840's digits is 46
• More coming soon!