72138629738720

Names of 72138629738720

• Cardinal: 72138629738720 can be written as Seventy-two trillion, one hundred thirty-eight billion, six hundred twenty-nine million, seven hundred thirty-eight thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 7.213862973872 × 10¹³

Factors of 72138629738720

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 19926

Divisors of 72138629738720

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 4 5 8 10 16 17 20 32 34 40 61 68 80 85 113 122 136 160 170 197 226 244 272 305 340 394 452 488 544 565 610 680 788 904 976 985 1037 1130 1220 1360 1576 1808 1921 1952 1970 2074 2260 2440 2720 3152 3349 3616 3842 3940 4148 4520 4880 5185 6304 6698 6893 7684 7880 8296 9040 9605 9760 10370 12017 13396 13786 15368 15760 16592 16745 18080 19210 19531 20740 22261 24034 26792 27572 30736 31520 33184 33490 34465 38420 39062 41480 44522 48068 53584 55144 60085 61472 66980 68930 76840 78124 82960 89044 96136 97655 107168 110288 111305 117181 120170 133960 137860 153680 156248 165920 178088 192272 195310 204289 220576 222610 234362 240340 267920 275720 307360 312496 332027 356176 378437 384544 390620 408578 445220 468724 480680 535840 551440 585905 624992 664054 712352 756874 781240 817156 890440 937448 961360 1021445 1102880 1171810 1191391 1328108 1357921 1513748 1562480 1634312 1660135 1780880 1874896 1892185 1922720 2042890 2207003 2343620 2382782 2656216 2715842 3027496 3124960 3268624 3320270 3561760 3749792 3784370 3847607 4085780 4414006 4687240 4765564 5312432 5431684 5956955 6054992 6537248 6640540 6789605 7568740 7695214 8171560 8828012 9374480 9531128 10624864 10863368 11035015 11913910 12109984 13281080 13579210 15137480 15390428 16343120 17656024 18748960 19062256 19238035 20253647 21726736 22070030 23084657 23827820 26562160 27158420 30274960 30780856 32686240 35312048 37519051 38124512 38476070 40507294 43453472 44140060 46169314 47655640 53124320 54316840 60549920 61561712 65409319 70624096 75038102 76952140 81014588 88280120 92338628 95311280 101268235 108633680 115423285 123123424 130818638 134627183 150076204 153904280 162029176 176560240 184677256 187595255 190622560 202536470 217267360 230846570 234704027 261637276 269254366 300152408 307808560 324058352 327046595 353120480 369354512 375190510 405072940 434779591 461693140 469408054 523274552 538508732 600304816 615617120 648116704 654093190 673135915 738709024 750381020 810145880 869559182 923386280 938816108 1046549104 1077017464 1173520135 1200609632 1308186380 1346271830 1500762040 1620291760 1739118364 1846772560 1877632216 2093098208 2154034928 2173897955 2288662111 2347040270 2616372760 2692543660 3001524080 3240583520 3478236728 3693545120 3755264432 3989968459 4308069856 4347795910 4577324222 4694080540 5232745520 5385087320 6003048160 6956473456 7391253047 7510528864 7979936918 8695591820 9154648444 9388161080 10465491040 10770174640 11443310555 13912946912 14782506094 15959873836 17391183640 18309296888 18776322160 19949842295 21540349280 22886621110 26521555051 29565012188 31919747672 34782367280 36618593776 36956265235 37552644320 39899684590 45773242220 53043110102 59130024376 63839495344 69564734560 73237187552 73912530470 79799369180 91546484440 106086220204 118260048752 127678990688 132607775255 147825060940 159598738360 183092968880 212172440408 236520097504 265215550510 295650121880 319197476720 366185937760 424344880816 450866435867 530431101020 591300243760 638394953440 848689761632 901732871734 1060862202040 1182600487520 1803465743468 2121724404080 2254332179335 3606931486936 4243448808160 4508664358670 7213862973872 9017328717340 14427725947744 18034657434680 36069314869360 72138629738720
• Sum of all divisors σ(n): 185982787089792
• Sum of proper divisors (its aliquot sum) s(n): 113844157351072
• 72138629738720 is an abundant number, because the sum of its proper divisors (113844157351072) is greater than itself. Its abundance is 41705527612352

Bases of 72138629738720

• Binary: 10000011001110000010101011001100111000011100000₂
• Hexadecimal: 0x419C156670E0
• Base-36: PKK11KYJK

Squares and roots of 72138629738720

• 72138629738720 squared (72138629738720²) is 5203981900580137575467238400
• 72138629738720 cubed (72138629738720³) is 375408123492950938922149842341311950848000
• The square root of 72138629738720 is 8493446.2816173741
• The cube root of 72138629738720 is 41628.3594798313

Scales and comparisons

• 72,138,629,738,720 seconds is equal to 2,293,785 years, 14 weeks, 6 days, 4 hours, 45 minutes, 20 seconds.
• To count from 1 to 72,138,629,738,720 would take you about five million, seven hundred thirty-four thousand, four hundred sixty-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 72138629738720 cubic inches would be around 3469 feet tall.

Recreational maths with 72138629738720

• 72138629738720 backwards is 02783792683127
• The number of decimal digits it has is: 14
• The sum of 72138629738720's digits is 65
• More coming soon!