129289937920

Names of 129289937920

• Cardinal: 129289937920 can be written as One hundred twenty-nine billion, two hundred eighty-nine million, nine hundred thirty-seven thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 1.2928993792 × 10¹¹

Factors of 129289937920

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 204

Divisors of 129289937920

• Number of divisors d(n): 704
• Complete list of divisors:
  1 2 4 5 8 10 11 13 16 20 22 26 32 40 41 44 52 55 59 64 65 73 80 82 88 104 110 118 128 130 143 146 160 164 176 205 208 220 236 256 260 286 292 295 320 328 352 365 410 416 440 451 472 512 520 533 572 584 590 640 649 656 704 715 730 767 803 820 832 880 902 944 949 1024 1040 1066 1144 1168 1180 1280 1298 1312 1408 1430 1460 1534 1606 1640 1664 1760 1804 1888 1898 2080 2132 2255 2288 2336 2360 2419 2560 2596 2624 2665 2816 2860 2920 2993 3068 3212 3245 3280 3328 3520 3608 3776 3796 3835 4015 4160 4264 4307 4510 4576 4672 4720 4745 4838 5120 5192 5248 5330 5632 5720 5840 5863 5986 6136 6424 6490 6560 6656 7040 7216 7552 7592 7670 8030 8320 8437 8528 8614 9020 9152 9344 9440 9490 9676 10384 10439 10496 10660 11264 11440 11680 11726 11972 12095 12272 12848 12980 13120 13312 14080 14432 14965 15104 15184 15340 16060 16640 16874 17056 17228 18040 18304 18688 18880 18980 19352 20768 20878 20992 21320 21535 22880 23360 23452 23944 24190 24544 25696 25960 26240 26609 28160 28864 29315 29930 30208 30368 30680 31447 32120 32923 33280 33748 34112 34456 36080 36608 37376 37760 37960 38704 38909 41536 41756 41984 42185 42640 43070 45760 46720 46904 47377 47888 48380 49088 51392 51920 52195 52480 53218 55991 56320 57728 58630 59860 60416 60736 61360 62894 64240 65846 66560 67496 68224 68912 72160 73216 74752 75520 75920 77408 77818 83072 83512 84370 85280 86140 91520 93440 93808 94754 95776 96760 98176 102784 103840 104390 104960 106436 111982 115456 117260 119720 121472 122720 125788 128480 131692 133045 134992 136448 137824 144320 146432 151040 151840 154816 155636 157235 164615 166144 167024 168740 170560 172280 176587 183040 186880 187616 189508 191552 193520 194545 196352 205568 207680 208780 209920 212872 223964 230912 234520 236885 239440 242944 245440 251576 256960 263384 266090 269984 272896 275648 279955 288640 302080 303680 309632 311272 314470 329230 332288 334048 337480 341120 344560 345917 353174 366080 373760 375232 379016 383104 387040 389090 392704 411136 415360 417560 425744 427999 447928 461824 469040 473770 478880 485888 490880 503152 513920 526768 532180 539968 545792 551296 559910 577280 607360 615901 619264 622544 628940 658460 664576 668096 674960 682240 689120 691834 706348 732160 750464 758032 766208 774080 778180 785408 822272 830720 835120 851488 855998 882935 895856 938080 947540 957760 971776 981760 1006304 1027840 1053536 1064360 1079936 1102592 1119820 1154560 1214720 1231802 1238528 1245088 1257880 1316920 1336192 1349920 1364480 1378240 1383668 1412696 1500928 1516064 1532416 1548160 1556360 1661440 1670240 1702976 1711996 1729585 1765870 1791712 1876160 1895080 1915520 1942457 1963520 2012608 2055680 2107072 2128720 2139995 2159872 2205184 2239640 2295631 2309120 2429440 2463604 2477056 2490176 2515760 2633840 2672384 2699840 2728960 2756480 2767336 2825392 3001856 3032128 3064832 3079505 3096320 3112720 3322880 3340480 3405952 3423992 3459170 3531740 3583424 3752320 3790160 3831040 3884914 3927040 4025216 4111360 4214144 4257440 4279990 4319744 4410368 4479280 4591262 4858880 4927208 4980352 5031520 5267680 5344768 5399680 5512960 5534672 5650784 6003712 6064256 6159010 6192640 6225440 6680960 6811904 6847984 6918340 7063480 7166848 7504640 7580320 7662080 7769828 8050432 8428288 8514880 8559980 8639488 8958560 9182524 9712285 9854416 9960704 10063040 10535360 10689536 10799360 11025920 11069344 11301568 11478155 12128512 12318020 12385280 12450880 13361920 13623808 13695968 13836680 14126960 14333696 15009280 15160640 15324160 15539656 16100864 16856576 17029760 17119960 17917120 18365048 19424570 19708832 19921408 20126080 21070720 21598720 22051840 22138688 22603136 22956310 24257024 24636040 24901760 25251941 26723840 27247616 27391936 27673360 28253920 28667392 30018560 30321280 31079312 32201728 33713152 34059520 34239920 35834240 36730096 38849140 39417664 39842816 40252160 42141440 43197440 44277376 45206272 45912620 48514048 49272080 49803520 50503882 53447680 54783872 55346720 56507840 57334784 60642560 62158624 68119040 68479840 71668480 73460192 77698280 78835328 80504320 84282880 88554752 90412544 91825240 98544160 99607040 101007764 109567744 110693440 113015680 121285120 124317248 126259705 136238080 136959680 143336960 146920384 155396560 157670656 161008640 168565760 177109504 180825088 183650480 197088320 199214080 202015528 219135488 221386880 226031360 242570240 248634496 252519410 273919360 286673920 293840768 310793120 315341312 354219008 367300960 394176640 404031056 438270976 442773760 452062720 497268992 505038820 547838720 587681536 621586240 630682624 734601920 788353280 808062112 885547520 904125440 994537984 1010077640 1095677440 1175363072 1243172480 1469203840 1576706560 1616124224 1771095040 1989075968 2020155280 2191354880 2350726144 2486344960 2938407680 3153413120 3232248448 4040310560 4972689920 5876815360 6464496896 8080621120 9945379840 11753630720 12928993792 16161242240 25857987584 32322484480 64644968960 129289937920
• Sum of all divisors σ(n): 384778356480
• Sum of proper divisors (its aliquot sum) s(n): 255488418560
• 129289937920 is an abundant number, because the sum of its proper divisors (255488418560) is greater than itself. Its abundance is 126198480640

Bases of 129289937920

• Binary: 1111000011010010001111110010000000000₂
• Hexadecimal: 0x1E1A47E400
• Base-36: 1NE7W2KG

Squares and roots of 129289937920

• 129289937920 squared (129289937920²) is 16715888047357453926400
• 129289937920 cubed (129289937920³) is 2161196127920515238193516249088000
• The square root of 129289937920 is 359569.1003409497
• The cube root of 129289937920 is 5056.5570208289

Scales and comparisons

• 129,289,937,920 seconds is equal to 4,111 years, 1 week, 7 hours, 38 minutes, 40 seconds.
• To count from 1 to 129,289,937,920 would take you about eight thousand, two hundred twenty-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 129289937920 cubic inches would be around 421.4 feet tall.

Recreational maths with 129289937920

• 129289937920 backwards is 029739982921
• The number of decimal digits it has is: 12
• The sum of 129289937920's digits is 61
• More coming soon!