81443015111040

Names of 81443015111040

• Cardinal: 81443015111040 can be written as Eighty-one trillion, four hundred forty-three billion, fifteen million, one hundred eleven thousand and forty.

Scientific notation

• Scientific notation: 8.144301511104 × 10¹³

Factors of 81443015111040

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 124393709

Divisors of 81443015111040

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 3 4 5 6 8 10 11 12 15 16 20 22 24 30 31 32 33 40 44 48 55 60 62 64 66 80 88 93 96 110 120 124 128 132 155 160 165 176 186 192 220 240 248 264 310 320 330 341 352 372 384 440 465 480 496 528 620 640 660 682 704 744 880 930 960 992 1023 1056 1240 1320 1364 1408 1488 1705 1760 1860 1920 1984 2046 2112 2480 2640 2728 2976 3410 3520 3720 3968 4092 4224 4960 5115 5280 5456 5952 6820 7040 7440 8184 9920 10230 10560 10912 11904 13640 14880 16368 19840 20460 21120 21824 27280 29760 32736 40920 43648 54560 59520 65472 81840 109120 130944 163680 218240 327360 654720 124393657 248787314 373180971 497574628 621968285 746361942 995149256 1243936570 1368330227 1492723884 1865904855 1990298512 2487873140 2736660454 2985447768 3731809710 3856203367 3980597024 4104990681 4975746280 5473320908 5970895536 6841651135 7463619420 7712406734 7961194048 8209981362 9951492560 10946641816 11568610101 11941791072 13683302270 14927238840 15424813468 15922388096 16419962724 19281016835 19902985120 20524953405 21893283632 23137220202 23883582144 27366604540 29854477680 30849626936 32839925448 38562033670 39805970240 41049906810 42418237037 43786567264 46274440404 47767164288 54733209080 57843050505 59708955360 61699253872 65679850896 77124067340 79611940480 82099813620 84836474074 87573134528 92548880808 109466418160 115686101010 119417910720 123398507744 127254711111 131359701792 154248134680 164199627240 169672948148 175146269056 185097761616 212091185185 218932836320 231372202020 238835821440 246797015488 254509422222 262719403584 308496269360 328399254480 339345896296 370195523232 424182370370 437865672640 462744404040 493594030976 509018844444 525438807168 616992538720 636273555555 656798508960 678691792592 740391046464 848364740740 875731345280 925488808080 1018037688888 1233985077440 1272547111110 1313597017920 1357383585184 1480782092928 1696729481480 1850977616160 2036075377776 2467970154880 2545094222220 2627194035840 2714767170368 3393458962960 3701955232320 4072150755552 5090188444440 5429534340736 6786917925920 7403910464640 8144301511104 10180376888880 13573835851840 16288603022208 20360753777760 27147671703680 40721507555520 81443015111040
• Sum of all divisors σ(n): 292335047792640
• Sum of proper divisors (its aliquot sum) s(n): 210892032681600
• 81443015111040 is an abundant number, because the sum of its proper divisors (210892032681600) is greater than itself. Its abundance is 129449017570560

Bases of 81443015111040

• Binary: 10010100001001001101101111111000011000110000000₂
• Hexadecimal: 0x4A126DFC3180
• Base-36: SVAEKEFEO

Squares and roots of 81443015111040

• 81443015111040 squared (81443015111040²) is 6632964710377089783529881600
• 81443015111040 cubed (81443015111040³) is 540208645138236380336642949660182052864000
• The square root of 81443015111040 is 9024578.3896556631
• The cube root of 81443015111040 is 43346.2250137691

Scales and comparisons

• 81,443,015,111,040 seconds is equal to 2,589,635 years, 49 weeks, 6 days, 17 hours, 4 minutes.
• To count from 1 to 81,443,015,111,040 would take you about six million, four hundred seventy-four thousand and eighty-nine 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 81443015111040 cubic inches would be around 3612.2 feet tall.

Recreational maths with 81443015111040

• 81443015111040 backwards is 04011151034418
• 81443015111040 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 81443015111040's digits is 33
• More coming soon!