129605512400

Names of 129605512400

• Cardinal: 129605512400 can be written as One hundred twenty-nine billion, six hundred five million, five hundred twelve thousand, four hundred.

Scientific notation

• Scientific notation: 1.296055124 × 10¹¹

Factors of 129605512400

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 2196

Divisors of 129605512400

• Number of divisors d(n): 480
• Complete list of divisors:
  1 2 4 5 7 8 10 13 14 16 20 25 26 28 29 35 40 50 52 56 58 59 65 70 80 91 100 104 112 116 118 130 140 145 175 182 200 203 208 232 236 260 280 290 295 325 350 364 377 400 406 413 455 464 472 520 560 580 590 650 700 725 728 754 767 812 826 910 944 1015 1040 1160 1180 1300 1400 1450 1456 1475 1508 1534 1624 1652 1711 1820 1885 2030 2065 2081 2275 2320 2360 2600 2639 2800 2900 2950 3016 3068 3248 3304 3422 3640 3770 3835 4060 4130 4162 4550 4720 5075 5200 5278 5369 5800 5900 6032 6136 6608 6844 7280 7540 7670 8120 8260 8324 8555 9100 9425 10150 10325 10405 10556 10738 11600 11800 11977 12272 13195 13688 14567 15080 15340 16240 16520 16648 17110 18200 18850 19175 20300 20650 20810 21112 21476 22243 23600 23954 26390 26845 27053 27376 29134 30160 30680 33040 33296 34220 36400 37700 38350 40600 41300 41620 42224 42775 42952 44486 47908 52025 52780 53690 54106 58268 59885 60349 61360 65975 68440 72835 75400 76700 81200 82600 83240 85550 85904 88972 95816 104050 105560 107380 108212 111215 116536 119770 120698 122779 131950 134225 135265 136880 145670 150800 153400 155701 165200 166480 171100 177944 189371 191632 208100 211120 214760 216424 222430 233072 239540 241396 245558 263900 268450 270530 291340 299425 301745 306800 311402 342200 355888 364175 378742 416200 422443 429520 432848 444860 479080 482792 491116 527800 536900 541060 556075 582680 598850 603490 613895 622804 676325 684400 728350 757484 778505 784537 832400 844886 859453 889720 946855 958160 965584 982232 1055600 1073800 1082120 1112150 1165360 1197700 1206980 1227790 1245608 1352650 1456700 1508725 1514968 1557010 1569074 1596127 1689772 1718906 1779440 1893710 1964464 2112215 2147600 2164240 2224300 2395400 2413960 2455580 2491216 2705300 2913400 3017450 3029936 3069475 3114020 3138148 3192254 3379544 3437812 3560591 3787420 3892525 3922685 4224430 4297265 4448600 4734275 4790800 4827920 4911160 5410600 5491759 5826800 6034900 6138950 6228040 6276296 6384508 6759088 6875624 7121182 7574840 7785050 7845370 7980635 8448860 8594530 8897200 9468550 9822320 10561075 10821200 10983518 11172889 12069800 12277900 12456080 12552592 12769016 13751248 14242364 15149680 15570100 15690740 15961270 16897720 17189060 17802955 18937100 19613425 21122150 21486325 21967036 22345778 24139600 24555800 24924137 25538032 27458795 28484728 31140200 31381480 31922540 33795440 34378120 35605910 37874200 39226850 39903175 42244300 42972650 43934072 44691556 46287683 49111600 49848274 54917590 55864445 56969456 62280400 62762960 63845080 68756240 71211820 75748400 78453700 79806350 84488600 85945300 87868144 89014775 89383112 92575366 99696548 109835180 111728890 124620685 127690160 137293975 142423640 156907400 159612700 168977200 171890600 178029550 178766224 185150732 199393096 219670360 223457780 231438415 249241370 274587950 279322225 284847280 313814800 319225400 324013781 343781200 356059100 370301464 398786192 439340720 446915560 462876830 498482740 549175900 558644450 623103425 638450800 648027562 712118200 740602928 893831120 925753660 996965480 1098351800 1117288900 1157192075 1246206850 1296055124 1424236400 1620068905 1851507320 1993930960 2196703600 2234577800 2314384150 2492413700 2592110248 3240137810 3703014640 4469155600 4628768300 4984827400 5184220496 6480275620 8100344525 9257536600 9969654800 12960551240 16200689050 18515073200 25921102480 32401378100 64802756200 129605512400
• Sum of all divisors σ(n): 403361683200
• Sum of proper divisors (its aliquot sum) s(n): 273756170800
• 129605512400 is an abundant number, because the sum of its proper divisors (273756170800) is greater than itself. Its abundance is 144150658400

Bases of 129605512400

• Binary: 1111000101101000101110010110011010000₂
• Hexadecimal: 0x1E2D172CD0
• Base-36: 1NJFRXE8

Squares and roots of 129605512400

• 129605512400 squared (129605512400²) is 16797588844466553760000
• 129605512400 cubed (129605512400³) is 2177060109271611604726946624000000
• The square root of 129605512400 is 360007.6560297017
• The cube root of 129605512400 is 5060.6677398399

Scales and comparisons

• 129,605,512,400 seconds is equal to 4,121 years, 2 weeks, 5 days, 19 hours, 13 minutes, 20 seconds.
• To count from 1 to 129,605,512,400 would take you about eight thousand, two hundred forty-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 129605512400 cubic inches would be around 421.7 feet tall.

Recreational maths with 129605512400

• 129605512400 backwards is 004215506921
• 129605512400 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 129605512400's digits is 35
• More coming soon!