81027830228480

Names of 81027830228480

• Cardinal: 81027830228480 can be written as Eighty-one trillion, twenty-seven billion, eight hundred thirty million, two hundred twenty-eight thousand, four hundred eighty.

Scientific notation

• Scientific notation: 8.102783022848 × 10¹³

Factors of 81027830228480

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 36893

Divisors of 81027830228480

• Number of divisors d(n): 320
• Complete list of divisors:
  1 2 4 5 8 10 16 20 32 40 47 59 64 80 94 118 128 160 188 235 236 256 295 313 320 376 470 472 512 590 626 640 752 940 944 1180 1252 1280 1504 1565 1880 1888 2360 2504 2560 2773 3008 3130 3760 3776 4720 5008 5546 6016 6260 7520 7552 9440 10016 11092 12032 12520 13865 14711 15040 15104 18467 18880 20032 22184 24064 25040 27730 29422 30080 30208 36467 36934 37760 40064 44368 50080 55460 58844 60160 72934 73555 73868 75520 80128 88736 92335 100160 110920 117688 120320 145868 147110 147736 151040 160256 177472 182335 184670 200320 221840 235376 291736 294220 295472 354944 364670 369340 400640 443680 470752 583472 588440 590944 709888 729340 738680 801280 867949 887360 941504 1166944 1176880 1181888 1419776 1458680 1477360 1713949 1735898 1774720 1883008 2151553 2333888 2353760 2363776 2917360 2954720 3427898 3471796 3549440 3766016 4303106 4339745 4667776 4707520 4727552 5834720 5909440 6855796 6943592 7098880 7532032 8569745 8606212 8679490 9335552 9415040 9455104 10757765 11414171 11669440 11818880 13711592 13887184 17139490 17212424 17358980 18671104 18830080 21515530 22828342 23338880 23637760 27423184 27774368 34278980 34424848 34717960 37660160 43031060 45656684 46677760 47275520 54846368 55548736 57070855 68557960 68849696 69435920 86062120 91313368 93355520 101122991 109692736 111097472 114141710 137115920 137699392 138871840 172124240 182626736 202245982 219385472 222194944 228283420 274231840 275398784 277743680 344248480 365253472 404491964 438770944 444389888 456566840 505614955 536466037 548463680 550797568 555487360 673436089 688496960 730506944 808983928 877541888 913133680 1011229910 1072932074 1096927360 1101595136 1110974720 1346872178 1376993920 1461013888 1617967856 1826267360 2022459820 2145864148 2193854720 2221949440 2682330185 2693744356 2753987840 2922027776 3235935712 3367180445 3652534720 4044919640 4291728296 4387709440 5364660370 5387488712 5507975680 5844055552 6471871424 6734360890 7305069440 8089839280 8583456592 10729320740 10774977424 12943742848 13468721780 14610138880 16179678560 17166913184 21458641480 21549954848 25887485696 26937443560 29220277760 31651496183 32359357120 34333826368 42917282960 43099909696 51774971392 53874887120 63302992366 64718714240 68667652736 85834565920 86199819392 107749774240 126605984732 129437428480 137335305472 158257480915 171669131840 172399638784 215499548480 253211969464 258874856960 274670610944 316514961830 343338263680 344799277568 430999096960 506423938928 633029923660 686676527360 861998193920 1012847877856 1266059847320 1373353054720 1723996387840 2025695755712 2532119694640 4051391511424 5064239389280 8102783022848 10128478778560 16205566045696 20256957557120 40513915114240 81027830228480
• Sum of all divisors σ(n): 202423516922880
• Sum of proper divisors (its aliquot sum) s(n): 121395686694400
• 81027830228480 is an abundant number, because the sum of its proper divisors (121395686694400) is greater than itself. Its abundance is 40367856465920

Bases of 81027830228480

• Binary: 10010011011000111000011000010011010011000000000₂
• Hexadecimal: 0x49B1C309A600
• Base-36: SPZO61HQ8

Squares and roots of 81027830228480

• 81027830228480 squared (81027830228480²) is 6565509271535377249003110400
• 81027830228480 cubed (81027830228480³) is 531988970617479945078494692814662664192000
• The square root of 81027830228480 is 9001545.9910217645
• The cube root of 81027830228480 is 43272.4418671255

Scales and comparisons

• 81,027,830,228,480 seconds is equal to 2,576,434 years, 19 weeks, 3 hours, 1 minute, 20 seconds.
• To count from 1 to 81,027,830,228,480 would take you about six million, four hundred forty-one thousand and eighty-five 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 81027830228480 cubic inches would be around 3606 feet tall.

Recreational maths with 81027830228480

• 81027830228480 backwards is 08482203872018
• The number of decimal digits it has is: 14
• The sum of 81027830228480's digits is 53
• More coming soon!