81383045120

Names of 81383045120

• Cardinal: 81383045120 can be written as Eighty-one billion, three hundred eighty-three million, forty-five thousand, one hundred twenty.

Scientific notation

• Scientific notation: 8.138304512 × 10¹⁰

Factors of 81383045120

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 17
• Sum of prime factors: 129

Divisors of 81383045120

• Number of divisors d(n): 576
• Complete list of divisors:
  1 2 4 5 8 10 13 16 20 26 31 32 37 40 41 52 62 64 65 74 80 82 104 124 128 130 148 155 160 164 169 185 205 208 248 256 260 296 310 320 328 338 370 403 410 416 481 496 512 520 533 592 620 640 656 676 740 806 820 832 845 962 992 1024 1040 1066 1147 1184 1240 1271 1280 1312 1352 1480 1517 1612 1640 1664 1690 1924 1984 2015 2048 2080 2132 2294 2368 2405 2480 2542 2560 2624 2665 2704 2960 3034 3224 3280 3328 3380 3848 3968 4030 4160 4264 4588 4736 4810 4960 5084 5120 5239 5248 5330 5408 5735 5920 6068 6253 6355 6448 6560 6656 6760 6929 7585 7696 7936 8060 8320 8528 9176 9472 9620 9920 10168 10240 10478 10496 10660 10816 11470 11840 12136 12506 12710 12896 13120 13312 13520 13858 14911 15170 15392 15872 16120 16523 16640 17056 18352 18944 19240 19721 19840 20336 20956 20992 21320 21632 22940 23680 24272 25012 25420 25792 26195 26240 26624 27040 27716 29822 30340 30784 31265 31744 32240 33046 33280 34112 34645 36704 37888 38480 39442 39680 40672 41912 41984 42640 43264 45880 47027 47360 48544 50024 50840 51584 52390 52480 54080 55432 59644 60680 61568 62530 63488 64480 66092 66560 68224 69290 73408 74555 75776 76960 78884 79360 81344 82615 83824 83968 85280 86528 91760 94054 94720 97088 98605 100048 101680 103168 104780 104960 108160 110864 119288 121360 123136 125060 128960 132184 133120 136448 138580 146816 149110 153920 157768 158720 162688 165230 167648 170560 173056 183520 188108 189440 193843 194176 197210 200096 203360 206336 209560 209920 214799 216320 221728 235135 238576 242720 246272 250120 256373 257920 264368 272896 277160 293632 298220 307840 315536 317440 325376 330460 335296 341120 346112 367040 376216 378880 387686 388352 394420 400192 406720 412672 419120 419840 429598 432640 443456 470270 477152 485440 492544 500240 512746 515840 528736 545792 554320 587264 596440 611351 615680 631072 650752 660920 670592 682240 734080 752432 775372 776704 788840 800384 813440 825344 838240 859196 865280 886912 940540 954304 969215 970880 985088 1000480 1025492 1031680 1057472 1073995 1091584 1108640 1174528 1192880 1222702 1231360 1262144 1281865 1301504 1321840 1341184 1364480 1468160 1504864 1550744 1553408 1577680 1600768 1626880 1676480 1718392 1730560 1773824 1881080 1908608 1938430 1941760 2000960 2050984 2063360 2114944 2147990 2217280 2349056 2385760 2445404 2462720 2524288 2563730 2603008 2643680 2682368 2728960 2936320 3009728 3056755 3101488 3106816 3155360 3201536 3253760 3352960 3436784 3547648 3762160 3817216 3876860 3883520 4001920 4101968 4126720 4229888 4295980 4434560 4771520 4890808 4925440 5048576 5127460 5287360 5364736 5457920 5872640 6019456 6113510 6202976 6310720 6403072 6507520 6705920 6873568 7095296 7524320 7634432 7753720 7767040 7947563 8003840 8203936 8459776 8591960 8869120 9543040 9781616 10097152 10254920 10574720 10729472 11745280 12038912 12227020 12405952 12621440 12806144 13015040 13411840 13747136 14190592 15048640 15268864 15507440 15534080 15895126 16007680 16407872 16919552 17183920 17738240 19086080 19563232 20194304 20509840 21149440 24077824 24454040 24811904 25242880 26823680 27494272 30097280 30537728 31014880 31790252 32015360 32815744 33839104 34367840 35476480 38172160 39126464 39737815 40388608 41019680 42298880 48155648 48908080 49623808 50485760 53647360 54988544 60194560 62029760 63580504 64030720 65631488 68735680 70952960 76344320 78252928 79475630 82039360 84597760 96311296 97816160 99247616 100971520 109977088 120389120 124059520 127161008 131262976 137471360 152688640 156505856 158951260 164078720 169195520 195632320 198495232 201943040 219954176 240778240 248119040 254322016 262525952 274942720 313011712 317902520 328157440 391264640 396990464 439908352 481556480 496238080 508644032 525051904 549885440 626023424 635805040 656314880 782529280 992476160 1017288064 1099770880 1252046848 1271610080 1312629760 1565058560 1984952320 2034576128 2199541760 2543220160 2625259520 3130117120 4069152256 5086440320 6260234240 8138304512 10172880640 16276609024 20345761280 40691522560 81383045120
• Sum of all divisors σ(n): 229635544320
• Sum of proper divisors (its aliquot sum) s(n): 148252499200
• 81383045120 is an abundant number, because the sum of its proper divisors (148252499200) is greater than itself. Its abundance is 66869454080

Bases of 81383045120

• Binary: 1001011110010110011101011100000000000₂
• Hexadecimal: 0x12F2CEB800
• Base-36: 11DXD3I8

Squares and roots of 81383045120

• 81383045120 squared (81383045120²) is 6623200033003955814400
• 81383045120 cubed (81383045120³) is 539016187124746425181801545728000
• The square root of 81383045120 is 285277.1373944991
• The cube root of 81383045120 is 4333.5583172077

Scales and comparisons

• 81,383,045,120 seconds is equal to 2,587 years, 37 weeks, 6 days, 9 hours, 25 minutes, 20 seconds.
• To count from 1 to 81,383,045,120 would take you about five thousand, one hundred seventy-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 81383045120 cubic inches would be around 361.1 feet tall.

Recreational maths with 81383045120

• 81383045120 backwards is 02154038318
• The number of decimal digits it has is: 11
• The sum of 81383045120's digits is 35
• More coming soon!