129428447363573760

Names of 129428447363573760

• Cardinal: 129428447363573760 can be written as One hundred twenty-nine quadrillion, four hundred twenty-eight trillion, four hundred forty-seven billion, three hundred sixty-three million, five hundred seventy-three thousand, seven hundred sixty.

Scientific notation

• Scientific notation: 1.2942844736357376 × 10¹⁷

Factors of 129428447363573760

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 18
• Sum of prime factors: 395033

Divisors of 129428447363573760

• Number of divisors d(n): 360
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 32 36 40 45 48 54 60 64 72 80 81 90 96 108 120 128 135 144 160 162 180 192 216 240 256 270 288 320 324 360 384 405 432 480 512 540 576 640 648 720 768 810 864 960 1024 1080 1152 1280 1296 1440 1536 1620 1728 1920 2048 2160 2304 2560 2592 2880 3072 3240 3456 3840 4320 4608 5120 5184 5760 6144 6480 6912 7680 8640 9216 10240 10368 11520 12960 13824 15360 17280 18432 20736 23040 25920 27648 30720 34560 41472 46080 51840 55296 69120 82944 92160 103680 138240 165888 207360 276480 395023 414720 790046 829440 1185069 1580092 1975115 2370138 3160184 3555207 3950230 4740276 5925345 6320368 7110414 7900460 9480552 10665621 11850690 12640736 14220828 15800920 17776035 18961104 21331242 23701380 25281472 28441656 31601840 31996863 35552070 37922208 42662484 47402760 50562944 53328105 56883312 63203680 63993726 71104140 75844416 85324968 94805520 101125888 106656210 113766624 126407360 127987452 142208280 151688832 159984315 170649936 189611040 202251776 213312420 227533248 252814720 255974904 284416560 303377664 319968630 341299872 379222080 404503552 426624840 455066496 505629440 511949808 568833120 606755328 639937260 682599744 758444160 809007104 853249680 910132992 1011258880 1023899616 1137666240 1213510656 1279874520 1365199488 1516888320 1706499360 1820265984 2022517760 2047799232 2275332480 2427021312 2559749040 2730398976 3033776640 3412998720 3640531968 4045035520 4095598464 4550664960 5119498080 5460797952 6067553280 6825997440 7281063936 8191196928 9101329920 10238996160 10921595904 12135106560 13651994880 16382393856 18202659840 20477992320 21843191808 27303989760 32764787712 36405319680 40955984640 54607979520 65529575424 81911969280 109215959040 156043170529 163823938560 312086341058 327647877120 468129511587 624172682116 780215852645 936259023174 1248345364232 1404388534761 1560431705290 1872518046348 2340647557935 2496690728464 2808777069522 3120863410580 3745036092696 4213165604283 4681295115870 4993381456928 5617554139044 6241726821160 7021942673805 7490072185392 8426331208566 9362590231740 9986762913856 11235108278088 12483453642320 12639496812849 14043885347610 14980144370784 16852662417132 18725180463480 19973525827712 21065828021415 22470216556176 24966907284640 25278993625698 28087770695220 29960288741568 33705324834264 37450360926960 39947051655424 42131656042830 44940433112352 49933814569280 50557987251396 56175541390440 59920577483136 63197484064245 67410649668528 74900721853920 79894103310848 84263312085660 89880866224704 99867629138560 101115974502792 112351082780880 119841154966272 126394968128490 134821299337056 149801443707840 159788206621696 168526624171320 179761732449408 199735258277120 202231949005584 224702165561760 239682309932544 252789936256980 269642598674112 299602887415680 319576413243392 337053248342640 359523464898816 399470516554240 404463898011168 449404331123520 479364619865088 505579872513960 539285197348224 599205774831360 674106496685280 719046929797632 798941033108480 808927796022336 898808662247040 958729239730176 1011159745027920 1078570394696448 1198411549662720 1348212993370560 1438093859595264 1597882066216960 1617855592044672 1797617324494080 2022319490055840 2157140789392896 2396823099325440 2696425986741120 2876187719190528 3235711184089344 3595234648988160 4044638980111680 4314281578785792 4793646198650880 5392851973482240 6471422368178688 7190469297976320 8089277960223360 8628563157571584 10785703946964480 12942844736357376 14380938595952640 16178555920446720 21571407893928960 25885689472714752 32357111840893440 43142815787857920 64714223681786880 129428447363573760
• Sum of all divisors σ(n): 463912839082102410
• Sum of proper divisors (its aliquot sum) s(n): 334484391718528650
• 129428447363573760 is an abundant number, because the sum of its proper divisors (334484391718528650) is greater than itself. Its abundance is 205055944354954890

Bases of 129428447363573760

• Binary: 111001011110100100111110010110100111011111010100000000000₂
• Hexadecimal: 0x1CBD27CB4EFA800
• Base-36: ZEEJZVSSG00

Squares and roots of 129428447363573760

• 129428447363573760 squared (129428447363573760²) is 16751722986945383385687318960537600
• 129428447363573760 cubed (129428447363573760³) is 2168149496865029158271275672831904591909146853376000
• The square root of 129428447363573760 is 359761653.5479757881
• The cube root of 129428447363573760 is 505836.2087671521

Scales and comparisons

• 129,428,447,363,573,760 seconds is equal to 4,115,424,277 years, 35 weeks, 5 days, 9 hours, 36 minutes.
• To count from 1 to 129,428,447,363,573,760 would take you about twelve billion, three hundred forty-six million, two hundred seventy-two thousand, eight hundred thirty-three 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 129428447363573760 cubic inches would be around 42153 feet tall.

Recreational maths with 129428447363573760

• 129428447363573760 backwards is 067375363744824921
• 129428447363573760 is a Harshad number.
• The number of decimal digits it has is: 18
• The sum of 129428447363573760's digits is 81
• More coming soon!