642461868000

Names of 642461868000

• Cardinal: 642461868000 can be written as Six hundred forty-two billion, four hundred sixty-one million, eight hundred sixty-eight thousand.

Scientific notation

• Scientific notation: 6.42461868 × 10¹¹

Factors of 642461868000

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 17
• Sum of prime factors: 281

Divisors of 642461868000

• Number of divisors d(n): 576
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 25 27 30 32 36 40 45 48 50 54 60 72 75 80 81 90 96 100 108 120 125 135 144 150 160 162 180 200 216 225 240 243 250 270 271 288 300 324 360 375 400 405 432 450 480 486 500 540 542 600 648 675 720 729 750 800 810 813 864 900 972 1000 1080 1084 1125 1200 1215 1296 1350 1355 1440 1458 1500 1620 1626 1800 1944 2000 2025 2160 2168 2187 2250 2400 2430 2439 2592 2700 2710 2916 3000 3240 3252 3375 3600 3645 3888 4000 4050 4065 4320 4336 4374 4500 4860 4878 5400 5420 5832 6000 6075 6480 6504 6750 6775 7200 7290 7317 7776 8100 8130 8672 8748 9000 9720 9756 10125 10800 10840 10935 11664 12000 12150 12195 12960 13008 13500 13550 14580 14634 16200 16260 17496 18000 18225 19440 19512 20250 20325 21600 21680 21870 21951 23328 24300 24390 26016 27000 27100 29160 29268 30375 32400 32520 33875 34992 36000 36450 36585 38880 39024 40500 40650 43360 43740 43902 48600 48780 54000 54200 54675 58320 58536 60750 60975 64800 65040 65853 67750 69984 72900 73170 73441 78048 81000 81300 87480 87804 91125 97200 97560 101625 108000 108400 109350 109755 116640 117072 121500 121950 130080 131706 135500 145800 146340 146882 162000 162600 174960 175608 182250 182925 194400 195120 197559 203250 216800 218700 219510 220323 234144 243000 243900 263412 271000 273375 291600 292680 293764 304875 324000 325200 329265 349920 351216 364500 365850 367205 390240 395118 406500 437400 439020 440646 486000 487800 526824 542000 546750 548775 583200 585360 587528 592677 609750 650400 658530 660969 702432 729000 731700 734410 790236 813000 874800 878040 881292 914625 972000 975600 987795 1053648 1084000 1093500 1097550 1101615 1170720 1175056 1185354 1219500 1317060 1321938 1458000 1463400 1468820 1580472 1626000 1646325 1749600 1756080 1762584 1829250 1836025 1951200 1975590 1982907 2107296 2187000 2195100 2203230 2350112 2370708 2439000 2634120 2643876 2743875 2916000 2926800 2937640 2963385 3160944 3252000 3292650 3304845 3512160 3525168 3658500 3672050 3951180 3965814 4374000 4390200 4406460 4741416 4878000 4938975 5268240 5287752 5487750 5508075 5853600 5875280 5926770 5948721 6321888 6585300 6609690 7050336 7317000 7344100 7902360 7931628 8231625 8748000 8780400 8812920 9180125 9482832 9756000 9877950 9914535 10536480 10575504 10975500 11016150 11750560 11853540 11897442 13170600 13219380 14634000 14688200 14816925 15804720 15863256 16463250 16524225 17560800 17625840 17846163 18360250 18965664 19755900 19829070 21151008 21951000 22032300 23707080 23794884 24694875 26341200 26438760 27540375 29268000 29376400 29633850 29743605 31609440 31726512 32926500 33048450 35251680 35692326 36720500 39511800 39658140 43902000 44064600 47414160 47589768 49389750 49572675 52682400 52877520 53538489 55080750 58752800 59267700 59487210 63453024 65853000 66096900 71384652 73441000 74084625 79023600 79316280 82621125 87804000 88129200 89230815 94828320 95179536 98779500 99145350 105755040 107076978 110161500 118535400 118974420 131706000 132193800 142769304 146882000 148169250 148718025 158047200 158632560 160615467 165242250 176258400 178461630 190359072 197559000 198290700 214153956 220323000 237070800 237948840 247863375 263412000 264387600 267692445 285538608 293764000 296338500 297436050 317265120 321230934 330484500 356923260 395118000 396581400 428307912 440646000 446154075 474141600 475897680 495726750 528775200 535384890 571077216 592677000 594872100 642461868 660969000 713846520 743590125 790236000 793162800 803077335 856615824 881292000 892308150 951795360 991453500 1070769780 1185354000 1189744200 1284923736 1321938000 1338462225 1427693040 1487180250 1586325600 1606154670 1713231648 1784616300 1982907000 2141539560 2230770375 2370708000 2379488400 2569847472 2643876000 2676924450 2855386080 2974360500 3212309340 3569232600 3965814000 4015386675 4283079120 4461540750 4758976800 5139694944 5353848900 5948721000 6424618680 6692311125 7138465200 7931628000 8030773350 8566158240 8923081500 10707697800 11897442000 12849237360 13384622250 14276930400 16061546700 17846163000 20076933375 21415395600 23794884000 25698474720 26769244500 32123093400 35692326000 40153866750 42830791200 53538489000 64246186800 71384652000 80307733500 107076978000 128492373600 160615467000 214153956000 321230934000 642461868000
• Sum of all divisors σ(n): 2376200473920
• Sum of proper divisors (its aliquot sum) s(n): 1733738605920
• 642461868000 is an abundant number, because the sum of its proper divisors (1733738605920) is greater than itself. Its abundance is 1091276737920

Bases of 642461868000

• Binary: 1001010110010101101101100001111111100000₂
• Hexadecimal: 0x9595B61FE0
• Base-36: 87557I00

Squares and roots of 642461868000

• 642461868000 squared (642461868000²) is 412757251834049424000000
• 642461868000 cubed (642461868000³) is 265180795043849818947364032000000000
• The square root of 642461868000 is 801537.1906530601
• The cube root of 642461868000 is 8628.7744840701

Scales and comparisons

• 642,461,868,000 seconds is equal to 20,428 years, 15 weeks, 4 days, 6 hours.
• To count from 1 to 642,461,868,000 would take you about forty thousand, eight hundred fifty-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 642461868000 cubic inches would be around 719.1 feet tall.

Recreational maths with 642461868000

• 642461868000 backwards is 000868164246
• 642461868000 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 642461868000's digits is 45
• More coming soon!