81326049600

Names of 81326049600

• Cardinal: 81326049600 can be written as Eighty-one billion, three hundred twenty-six million, forty-nine thousand, six hundred.

Scientific notation

• Scientific notation: 8.13260496 × 10¹⁰

Factors of 81326049600

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 472

Divisors of 81326049600

• Number of divisors d(n): 672
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 19 20 23 24 25 30 32 38 40 46 48 50 57 60 64 69 75 76 80 92 95 96 100 114 115 120 137 138 150 152 160 184 190 192 200 228 230 240 274 276 283 285 300 304 320 345 368 380 400 411 437 456 460 475 480 548 552 566 570 575 600 608 685 690 736 760 800 822 849 874 912 920 950 960 1096 1104 1132 1140 1150 1200 1216 1311 1370 1380 1415 1425 1472 1520 1600 1644 1698 1725 1748 1824 1840 1900 2055 2185 2192 2208 2264 2280 2300 2400 2603 2622 2740 2760 2830 2850 3040 3151 3288 3396 3425 3450 3496 3648 3680 3800 4110 4245 4370 4384 4416 4528 4560 4600 4800 5206 5244 5377 5480 5520 5660 5700 6080 6302 6509 6555 6576 6792 6850 6900 6992 7075 7360 7600 7809 8220 8490 8740 8768 9056 9120 9200 9453 10275 10412 10488 10754 10925 10960 11040 11320 11400 12604 13015 13018 13110 13152 13584 13700 13800 13984 14150 15200 15618 15755 16131 16440 16980 17480 18112 18240 18400 18906 19527 20550 20824 20976 21225 21508 21850 21920 22080 22640 22800 25208 26030 26036 26220 26304 26885 27168 27400 27600 27968 28300 30400 31236 31510 32262 32545 32775 32880 33960 34960 36800 37812 38771 39045 39054 41100 41648 41952 42450 43016 43700 43840 45280 45600 47265 50416 52060 52072 52440 53770 54336 54800 55200 56600 59869 62472 63020 64524 65075 65090 65550 65760 67920 69920 75624 77542 78090 78108 78775 80655 82200 83296 83904 84900 86032 87400 90560 91200 94530 97635 100832 104120 104144 104880 107540 109600 110400 113200 116313 119738 123671 124944 126040 129048 130150 130180 131100 131520 134425 135840 139840 151248 155084 156180 156216 157550 161310 162725 164400 166592 169800 172064 174800 179607 189060 193855 195225 195270 201664 208240 208288 209760 215080 219200 226400 232626 236325 239476 247342 249888 252080 258096 260300 260360 262200 268850 271680 299345 302496 310168 312360 312432 315100 322620 325450 328800 339600 344128 349600 359214 371013 378120 387710 390450 390540 403275 416480 416576 419520 430160 452800 465252 472650 478952 488175 494684 499776 504160 516192 520600 520720 524400 537700 581565 598690 604992 618355 620336 624720 624864 630200 645240 650900 657600 679200 699200 718428 736649 742026 756240 775420 780900 781080 806550 832960 860320 891733 898035 930504 945300 957904 969275 976350 989368 1008320 1032384 1041200 1041440 1048800 1075400 1163130 1197380 1236710 1240672 1249440 1249728 1260400 1290480 1301800 1358400 1436856 1473298 1484052 1496725 1512480 1550840 1561800 1562160 1613100 1720640 1783466 1796070 1855065 1861008 1890600 1915808 1938550 1952700 1978736 2082400 2082880 2097600 2150800 2209947 2326260 2394760 2473420 2481344 2498880 2520800 2580960 2603600 2675199 2873712 2907825 2946596 2968104 2993450 3024960 3091775 3101680 3123600 3124320 3226200 3566932 3592140 3683245 3710130 3722016 3781200 3831616 3877100 3905400 3957472 4164800 4301600 4419894 4458665 4490175 4652520 4789520 4946840 5041600 5161920 5207200 5350398 5747424 5815650 5893192 5936208 5986900 6183550 6203360 6247200 6248640 6452400 7133864 7184280 7366490 7420260 7444032 7562400 7754200 7810800 7914944 8603200 8839788 8917330 8980350 9275325 9305040 9579040 9893680 10414400 10700796 11049735 11494848 11631300 11786384 11872416 11973800 12367100 12406720 12494400 12904800 13375995 14267728 14368560 14732980 14840520 15124800 15508400 15621600 16942927 17679576 17834660 17960700 18416225 18550650 18610080 19158080 19787360 21401592 22099470 22293325 23262600 23572768 23744832 23947600 24734200 25809600 26751990 28535456 28737120 29465960 29681040 31016800 31243200 33885854 35359152 35669320 35921400 36832450 37101300 37220160 39574720 42803184 44198940 44586650 46525200 47145536 47895200 49468400 50828781 53503980 55248675 57070912 57474240 58931920 59362080 62033600 66879975 67771708 70718304 71338640 71842800 73664900 74202600 84714635 85606368 88397880 89173300 93050400 95790400 98936800 101657562 107007960 110497350 117863840 118724160 133759950 135543416 141436608 142677280 143685600 147329800 148405200 169429270 171212736 176795760 178346600 186100800 197873600 203315124 214015920 220994700 235727680 254143905 267519900 271086832 285354560 287371200 294659600 296810400 338858540 353591520 356693200 406630248 423573175 428031840 441989400 508287810 535039800 542173664 589319200 593620800 677717080 707183040 713386400 813260496 847146350 856063680 883978800 1016575620 1070079600 1084347328 1178638400 1270719525 1355434160 1426772800 1626520992 1694292700 1767957600 2033151240 2140159200 2541439050 2710868320 3253041984 3388585400 3535915200 4066302480 4280318400 5082878100 5421736640 6777170800 8132604960 10165756200 13554341600 16265209920 20331512400 27108683200 40663024800 81326049600
• Sum of all divisors σ(n): 296253895680
• Sum of proper divisors (its aliquot sum) s(n): 214927846080
• 81326049600 is an abundant number, because the sum of its proper divisors (214927846080) is greater than itself. Its abundance is 133601796480

Bases of 81326049600

• Binary: 1001011101111011010010000100101000000₂
• Hexadecimal: 0x12EF690940
• Base-36: 11CZFHHC

Squares and roots of 81326049600

• 81326049600 squared (81326049600²) is 6613926343541660160000
• 81326049600 cubed (81326049600³) is 537884501865615693838503936000000
• The square root of 81326049600 is 285177.2248970805
• The cube root of 81326049600 is 4332.5464312089

Scales and comparisons

• 81,326,049,600 seconds is equal to 2,585 years, 47 weeks, 4 days, 17 hours, 20 minutes.
• To count from 1 to 81,326,049,600 would take you about five thousand, one hundred seventy-one 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 81326049600 cubic inches would be around 361 feet tall.

Recreational maths with 81326049600

• 81326049600 backwards is 00694062318
• The number of decimal digits it has is: 11
• The sum of 81326049600's digits is 39
• More coming soon!