72115012800

Names of 72115012800

• Cardinal: 72115012800 can be written as Seventy-two billion, one hundred fifteen million, twelve thousand, eight hundred.

Scientific notation

• Scientific notation: 7.21150128 × 10¹⁰

Factors of 72115012800

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 17
• Sum of prime factors: 604

Divisors of 72115012800

• Number of divisors d(n): 672
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 25 27 30 32 36 37 40 45 48 50 54 60 64 72 74 75 80 81 90 96 100 108 111 120 135 144 148 150 160 162 180 185 192 200 216 222 225 240 243 270 288 296 300 320 324 333 360 370 400 405 432 444 450 480 486 540 555 557 576 592 600 648 666 675 720 729 740 800 810 864 888 900 925 960 972 999 1080 1110 1114 1184 1200 1215 1296 1332 1350 1440 1458 1480 1600 1620 1665 1671 1728 1776 1800 1850 1944 1998 2025 2160 2187 2220 2228 2368 2400 2430 2592 2664 2700 2775 2785 2880 2916 2960 2997 3240 3330 3342 3552 3600 3645 3700 3888 3996 4050 4320 4374 4440 4456 4800 4860 4995 5013 5184 5328 5400 5550 5570 5832 5920 5994 6075 6480 6660 6684 7104 7200 7290 7400 7776 7992 8100 8325 8355 8640 8748 8880 8912 8991 9720 9990 10026 10656 10800 10935 11100 11140 11664 11840 11988 12150 12960 13320 13368 13925 14400 14580 14800 14985 15039 15552 15984 16200 16650 16710 17496 17760 17824 17982 18225 19440 19980 20052 20609 21312 21600 21870 22200 22280 23328 23976 24300 24975 25065 25920 26640 26736 26973 27850 29160 29600 29970 30078 31968 32400 33300 33420 34992 35520 35648 35964 36450 38880 39960 40104 41218 41775 43200 43740 44400 44560 44955 45117 46656 47952 48600 49950 50130 53280 53472 53946 54675 55700 58320 59200 59940 60156 61827 63936 64800 66600 66840 69984 71928 72900 74925 75195 77760 79920 80208 80919 82436 83550 87480 88800 89120 89910 90234 95904 97200 99900 100260 103045 106560 106944 107892 109350 111400 116640 119880 120312 123654 125325 129600 133200 133680 134865 135351 139968 143856 145800 149850 150390 159840 160416 161838 164872 167100 174960 177600 178240 179820 180468 185481 191808 194400 199800 200520 206090 215784 218700 222800 224775 225585 233280 239760 240624 247308 250650 266400 267360 269730 270702 287712 291600 299700 300780 309135 319680 320832 323676 329744 334200 349920 359640 360936 370962 375975 388800 399600 401040 404595 406053 412180 431568 437400 445600 449550 451170 479520 481248 494616 501300 515225 532800 534720 539460 541404 556443 575424 583200 599400 601560 618270 647352 659488 668400 674325 676755 699840 719280 721872 741924 751950 799200 802080 809190 812106 824360 863136 874800 891200 899100 902340 927405 959040 962496 989232 1002600 1030450 1078920 1082808 1112886 1127925 1166400 1198800 1203120 1218159 1236540 1294704 1318976 1336800 1348650 1353510 1438560 1443744 1483848 1503900 1545675 1598400 1604160 1618380 1624212 1648720 1669329 1726272 1749600 1798200 1804680 1854810 1978464 2005200 2022975 2030265 2060900 2157840 2165616 2225772 2255850 2397600 2406240 2436318 2473080 2589408 2673600 2697300 2707020 2782215 2877120 2887488 2967696 3007800 3091350 3236760 3248424 3297440 3338658 3383775 3499200 3596400 3609360 3709620 3956928 4010400 4045950 4060530 4121800 4315680 4331232 4451544 4511700 4637025 4795200 4812480 4872636 4946160 5007987 5178816 5394600 5414040 5564430 5935392 6015600 6090795 6182700 6473520 6496848 6594880 6677316 6767550 7192800 7218720 7419240 8020800 8091900 8121060 8243600 8346645 8631360 8662464 8903088 9023400 9274050 9745272 9892320 10015974 10151325 10789200 10828080 11128860 11870784 12031200 12181590 12365400 12947040 12993696 13354632 13535100 13911075 14385600 14437440 14838480 15023961 16183800 16242120 16487200 16693290 17806176 18046800 18548100 19490544 19784640 20031948 20302650 21578400 21656160 22257720 24062400 24363180 24730800 25039935 25894080 25987392 26709264 27070200 27822150 29676960 30047922 30453975 32367600 32484240 32974400 33386580 35612352 36093600 37096200 38981088 40063896 40605300 41733225 43156800 43312320 44515440 45071883 48726360 49461600 50079870 53418528 54140400 55644300 59353920 60095844 60907950 64735200 64968480 66773160 72187200 74192400 75119805 77962176 80127792 81210600 83466450 89030880 90143766 97452720 98923200 100159740 106837056 108280800 111288600 120191688 121815900 125199675 129470400 129936960 133546320 148384800 150239610 160255584 162421200 166932900 178061760 180287532 194905440 200319480 216561600 222577200 225359415 240383376 243631800 250399350 267092640 296769600 300479220 320511168 324842400 333865800 360575064 375599025 389810880 400638960 445154400 450718830 480766752 487263600 500798700 534185280 600958440 649684800 667731600 721150128 751198050 801277920 890308800 901437660 961533504 974527200 1001597400 1126797075 1201916880 1335463200 1442300256 1502396100 1602555840 1802875320 1949054400 2003194800 2253594150 2403833760 2670926400 2884600512 3004792200 3605750640 4006389600 4507188300 4807667520 6009584400 7211501280 8012779200 9014376600 12019168800 14423002560 18028753200 24038337600 36057506400 72115012800
• Sum of all divisors σ(n): 273814885440
• Sum of proper divisors (its aliquot sum) s(n): 201699872640
• 72115012800 is an abundant number, because the sum of its proper divisors (201699872640) is greater than itself. Its abundance is 129584859840

Bases of 72115012800

• Binary: 1000011001010011000111100010011000000₂
• Hexadecimal: 0x10CA63C4C0
• Base-36: X4NF000

Squares and roots of 72115012800

• 72115012800 squared (72115012800²) is 5200575071144163840000
• 72115012800 cubed (72115012800³) is 375039537822922285966897152000000
• The square root of 72115012800 is 268542.3854813239
• The cube root of 72115012800 is 4162.3816182549

Scales and comparisons

• 72,115,012,800 seconds is equal to 2,293 years, 1 week, 5 days, 12 hours.
• To count from 1 to 72,115,012,800 would take you about four thousand, five hundred eighty-six 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 72115012800 cubic inches would be around 346.9 feet tall.

Recreational maths with 72115012800

• 72115012800 backwards is 00821051127
• 72115012800 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 72115012800's digits is 27
• More coming soon!