81712994000

Names of 81712994000

• Cardinal: 81712994000 can be written as Eighty-one billion, seven hundred twelve million, nine hundred ninety-four thousand.

Scientific notation

• Scientific notation: 8.1712994 × 10¹⁰

Factors of 81712994000

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 174

Divisors of 81712994000

• Number of divisors d(n): 360
• Complete list of divisors:
  1 2 4 5 8 10 11 16 20 22 25 40 44 50 55 59 80 88 97 100 110 118 121 125 176 194 200 220 236 242 250 275 295 388 400 440 472 484 485 500 550 590 605 649 776 880 944 968 970 1000 1067 1100 1180 1210 1298 1375 1475 1552 1936 1940 2000 2134 2200 2360 2420 2425 2596 2750 2950 3025 3245 3481 3880 4268 4400 4720 4840 4850 5192 5335 5500 5723 5900 6050 6490 6962 7139 7375 7760 8536 9680 9700 10384 10670 11000 11446 11737 11800 12100 12125 12980 13924 14278 14750 15125 16225 17072 17405 19400 21340 22000 22892 23474 23600 24200 24250 25960 26675 27848 28556 28615 29500 30250 32450 34810 35695 38291 38800 42680 45784 46948 48400 48500 51920 53350 55696 57112 57230 58685 59000 60500 62953 64900 69620 71390 76582 81125 85360 87025 91568 93896 97000 106700 114224 114460 117370 118000 121000 125906 129800 133375 139240 142780 143075 153164 162250 174050 178475 187792 191455 194000 213400 228920 234740 242000 251812 259600 266750 278480 285560 286150 293425 306328 314765 324500 337657 348100 356950 382910 421201 426800 435125 457840 469480 503624 533500 571120 572300 586850 612656 629530 649000 675314 692483 696200 713900 715375 765820 842402 870250 892375 938960 957275 1007248 1067000 1144600 1173700 1259060 1298000 1350628 1384966 1392400 1427800 1430750 1467125 1531640 1573825 1684804 1688285 1740500 1784750 1914550 2106005 2134000 2289200 2347400 2518120 2701256 2769932 2855600 2861500 2934250 3063280 3147650 3369608 3376570 3462415 3481000 3569500 3714227 3829100 4212010 4694800 4786375 5036240 5402512 5539864 5723000 5868500 6295300 6739216 6753140 6924830 6962000 7139000 7428454 7658200 7869125 8424020 8441425 9572750 10530025 11079728 11446000 11737000 12590600 13506280 13849660 14278000 14856908 15316400 15738250 16848040 16882850 17312075 18571135 19145500 21060050 23474000 25181200 27012560 27699320 29713816 31476500 33696080 33765700 34624150 37142270 38291000 40856497 42120100 42207125 52650125 55398640 59427632 62953000 67531400 69248300 74284540 76582000 81712994 84240200 84414250 86560375 92855675 105300250 125906000 135062800 138496600 148569080 163425988 168480400 168828500 173120750 185711350 204282485 210600500 276993200 297138160 326851976 337657000 346241500 371422700 408564970 421201000 464278375 653703952 675314000 692483000 742845400 817129940 842402000 928556750 1021412425 1384966000 1485690800 1634259880 1857113500 2042824850 3268519760 3714227000 4085649700 5107062125 7428454000 8171299400 10214124250 16342598800 20428248500 40856497000 81712994000
• Sum of all divisors σ(n): 223197813384
• Sum of proper divisors (its aliquot sum) s(n): 141484819384
• 81712994000 is an abundant number, because the sum of its proper divisors (141484819384) is greater than itself. Its abundance is 59771825384

Bases of 81712994000

• Binary: 1001100000110011110010101011011010000₂
• Hexadecimal: 0x13067956D0
• Base-36: 11JDT1OW

Squares and roots of 81712994000

• 81712994000 squared (81712994000²) is 6677013388444036000000
• 81712994000 cubed (81712994000³) is 545598754947847183003784000000000
• The square root of 81712994000 is 285854.8477811773
• The cube root of 81712994000 is 4339.4068929773

Scales and comparisons

• 81,712,994,000 seconds is equal to 2,598 years, 11 weeks, 3 days, 5 hours, 53 minutes, 20 seconds.
• To count from 1 to 81,712,994,000 would take you about five thousand, one hundred ninety-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 81712994000 cubic inches would be around 361.6 feet tall.

Recreational maths with 81712994000

• 81712994000 backwards is 00049921718
• The number of decimal digits it has is: 11
• The sum of 81712994000's digits is 41
• More coming soon!