128939695091200

Names of 128939695091200

• Cardinal: 128939695091200 can be written as One hundred twenty-eight trillion, nine hundred thirty-nine billion, six hundred ninety-five million, ninety-one thousand, two hundred.

Scientific notation

• Scientific notation: 1.289396950912 × 10¹⁴

Factors of 128939695091200

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 17
• Sum of prime factors: 614

Divisors of 128939695091200

• Number of divisors d(n): 720
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 20 25 28 32 35 40 49 50 56 64 70 80 98 100 112 128 137 140 160 175 196 200 224 245 256 274 280 320 343 350 392 400 448 463 490 512 548 560 640 685 686 700 784 800 896 926 959 980 1096 1120 1225 1280 1370 1372 1400 1568 1600 1715 1792 1852 1918 1960 2192 2240 2315 2450 2560 2740 2744 2800 3136 3200 3241 3425 3430 3584 3704 3836 3920 4384 4480 4630 4795 4900 5480 5488 5600 6272 6400 6482 6713 6850 6860 7408 7672 7840 8575 8768 8960 9260 9590 9800 10960 10976 11200 11575 12544 12800 12964 13426 13700 13720 14816 15344 15680 16205 17150 17536 17920 18520 19180 19600 21920 21952 22400 22687 23150 23975 25088 25928 26852 27400 27440 29632 30688 31360 32410 33565 34300 35072 37040 38360 39200 43840 43904 44800 45374 46300 46991 47950 51856 53704 54800 54880 59264 61376 62720 63431 64820 67130 68600 70144 74080 76720 78400 81025 87680 87808 89600 90748 92600 93982 95900 103712 107408 109600 109760 113435 118528 122752 125440 126862 129640 134260 137200 148160 153440 156800 158809 162050 167825 175360 175616 181496 185200 187964 191800 207424 214369 214816 219200 219520 226870 234955 237056 245504 253724 259280 268520 274400 296320 306880 313600 317155 317618 324100 335650 350720 362992 370400 375928 383600 414848 428738 429632 438400 439040 444017 453740 469910 491008 507448 518560 537040 548800 567175 592640 613760 627200 634310 635236 648200 671300 725984 740800 751856 767200 794045 829696 857476 859264 876800 878080 888034 907480 939820 1014896 1037120 1071845 1074080 1097600 1134350 1174775 1185280 1227520 1268620 1270472 1296400 1342600 1451968 1481600 1500583 1503712 1534400 1585775 1588090 1659392 1714952 1718528 1753600 1776068 1814960 1879640 2029792 2074240 2143690 2148160 2195200 2220085 2268700 2349550 2455040 2537240 2540944 2592800 2685200 2903936 2963200 3001166 3007424 3068800 3108119 3171550 3176180 3429904 3437056 3552136 3629920 3759280 3970225 4059584 4148480 4287380 4296320 4390400 4440170 4537400 4699100 5074480 5081888 5185600 5359225 5370400 5807872 5926400 6002332 6014848 6137600 6216238 6343100 6352360 6859808 7104272 7259840 7502915 7518560 7940450 8119168 8296960 8574760 8592640 8880340 9074800 9398200 10148960 10163776 10371200 10504081 10718450 10740800 11100425 11615744 12004664 12029696 12275200 12432476 12686200 12704720 13719616 14208544 14519680 15005830 15037120 15540595 15880900 16238336 17149520 17185280 17760680 18149600 18796400 20297920 20327552 20742400 21008162 21436900 21481600 21756833 22200850 24009328 24059392 24864952 25372400 25409440 27439232 28417088 29039360 29368553 30011660 30074240 31081190 31761800 32476672 34299040 35521360 36299200 37514575 37592800 40595840 40655104 41484800 42016324 42873800 42963200 43513666 44401700 48018656 49729904 50744800 50818880 52520405 54878464 56834176 58078720 58737106 60023320 60148480 62162380 63523600 68598080 71042720 72598400 73528567 75029150 75185600 77702975 81191680 81310208 84032648 85747600 85926400 87027332 88803400 96037312 99459808 101489600 101637760 105040810 108784165 109756928 113668352 117474212 120046640 120296960 124324760 127047200 137196160 142085440 145196800 146842765 147057134 150058300 150371200 155405950 162383360 168065296 171495200 174054664 177606800 192074624 198919616 202979200 203275520 205579871 210081620 217568330 227336704 234948424 240093280 248649520 254094400 262602025 274392320 284170880 290393600 293685530 294114268 300116600 300742400 310811900 336130592 342990400 348109328 355213600 367642835 384149248 397839232 405958400 406551040 411159742 420163240 435136660 469896848 480186560 497299040 508188800 525204050 543920825 548784640 568341760 587371060 588228536 600233200 601484800 621623800 672261184 685980800 696218656 710427200 734213825 735285670 768298496 795678464 811916800 822319484 840326480 870273320 939793696 960373120 994598080 1016377600 1027899355 1050408100 1087841650 1136683520 1174742120 1176457072 1200466400 1243247600 1344522368 1371961600 1392437312 1420854400 1439059097 1468427650 1470571340 1591356928 1644638968 1680652960 1740546640 1838214175 1879587392 1920746240 1989196160 2032755200 2055798710 2100816200 2175683300 2349484240 2352914144 2400932800 2486495200 2689044736 2743923200 2784874624 2841708800 2878118194 2936855300 2941142680 3289277936 3361305920 3481093280 3676428350 3759174784 3841492480 3978392320 4111597420 4201632400 4351366600 4698968480 4705828288 4801865600 4972990400 5139496775 5378089472 5569749248 5683417600 5756236388 5873710600 5882285360 6578555872 6722611840 6962186560 7195295485 7352856700 7518349568 7956784640 8223194840 8403264800 8702733200 9397936960 9411656576 9603731200 9945980800 10073413679 10278993550 11139498496 11512472776 11747421200 11764570720 13157111744 13445223680 13924373120 14390590970 14705713400 15036699136 16446389680 16806529600 17405466400 18795873920 18823313152 19207462400 19891961600 20146827358 20557987100 23024945552 23494842400 23529141440 26314223488 26890447360 27848746240 28781181940 29411426800 32892779360 33613059200 34810932800 35976477425 37591747840 37646626304 39783923200 40293654716 41115974200 46049891104 46989684800 47058282880 50367068395 52628446976 55697492480 57562363880 58822853600 65785558720 67226118400 69621865600 71952954850 75183495680 80587309432 82231948400 92099782208 93979369600 94116565760 100734136790 105256893952 115124727760 117645707200 131571117440 134452236800 139243731200 143905909700 161174618864 164463896800 184199564416 187958739200 188233131520 201468273580 230249455520 235291414400 251835341975 263142234880 278487462400 287811819400 322349237728 328927793600 368399128832 375917478400 402936547160 460498911040 470582828800 503670683950 526284469760 575623638800 644698475456 657855587200 736798257664 805873094320 920997822080 941165657600 1007341367900 1151247277600 1289396950912 1315711174400 1611746188640 1841995644160 2014682735800 2302494555200 2578793901824 2631422348800 3223492377280 3683991288320 4029365471600 4604989110400 5157587803648 6446984754560 8058730943200 9209978220800 12893969509120 16117461886400 18419956441600 25787939018240 32234923772800 64469847545600 128939695091200
• Sum of all divisors σ(n): 376077540880800
• Sum of proper divisors (its aliquot sum) s(n): 247137845789600
• 128939695091200 is an abundant number, because the sum of its proper divisors (247137845789600) is greater than itself. Its abundance is 118198150698400

Bases of 128939695091200

• Binary: 11101010100010100011100101110010010111000000000₂
• Hexadecimal: 0x75451CB92E00
• Base-36: 19PE2TBZLS

Squares and roots of 128939695091200

• 128939695091200 squared (128939695091200²) is 16625444970211625376317440000
• 128939695091200 cubed (128939695091200³) is 2143679805214611642759931171100950528000000
• The square root of 128939695091200 is 11355161.6056839983
• The cube root of 128939695091200 is 50519.8686764779

Scales and comparisons

• 128,939,695,091,200 seconds is equal to 4,099,883 years, 24 weeks, 2 days, 1 hour, 46 minutes, 40 seconds.
• To count from 1 to 128,939,695,091,200 would take you about ten million, two hundred forty-nine thousand, seven hundred eight 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 128939695091200 cubic inches would be around 4210 feet tall.

Recreational maths with 128939695091200

• 128939695091200 backwards is 002190596939821
• 128939695091200 is a Harshad number.
• The number of decimal digits it has is: 15
• The sum of 128939695091200's digits is 64
• More coming soon!