81362855070

Names of 81362855070

• Cardinal: 81362855070 can be written as Eighty-one billion, three hundred sixty-two million, eight hundred fifty-five thousand and seventy.

Scientific notation

• Scientific notation: 8.136285507 × 10¹⁰

Factors of 81362855070

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 185

Divisors of 81362855070

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 3 5 6 7 9 10 14 15 18 19 21 30 35 38 42 45 49 57 63 70 90 95 98 105 114 126 133 147 149 171 190 210 245 266 285 294 298 315 342 343 361 399 441 447 490 570 630 665 686 722 735 745 798 855 882 894 931 1029 1043 1083 1197 1330 1341 1470 1490 1710 1715 1805 1862 1995 2058 2086 2166 2205 2235 2394 2401 2527 2682 2793 2831 3087 3129 3249 3430 3610 3990 4410 4470 4655 4802 5054 5145 5215 5415 5586 5662 5985 6174 6258 6498 6517 6705 7203 7301 7581 8379 8493 9310 9387 10290 10430 10830 11970 12005 12635 13034 13410 13965 14155 14406 14602 15162 15435 15645 16245 16758 16807 16986 17689 18774 19551 19817 21609 21903 22743 24010 25270 25479 27930 28310 30870 31290 32490 32585 33614 35378 36015 36505 37905 39102 39634 41895 42465 43218 43806 45486 45619 46935 50421 50958 51107 53067 53789 58653 59451 65170 65709 72030 73010 75810 83790 84035 84930 88445 91238 93870 97755 99085 100842 102214 106134 107578 108045 109515 113715 117306 118902 123823 127395 131418 136857 138719 151263 153321 159201 161367 168070 176890 178353 195510 198170 216090 219030 227430 228095 247646 252105 254790 255535 265335 268945 273714 277438 293265 297255 302526 306642 318402 319333 322734 328545 356706 357749 371469 376523 410571 416157 456190 459963 484101 504210 511070 530670 537890 586530 594510 619115 638666 657090 684285 693595 715498 742938 753046 756315 766605 796005 806835 821142 832314 866761 891765 919926 957999 968202 971033 1073247 1114407 1129569 1238230 1248471 1368570 1387190 1512630 1533210 1592010 1596665 1613670 1733522 1783530 1788745 1857345 1882615 1915998 1942066 2052855 2080785 2146494 2228814 2259138 2299815 2420505 2496942 2504243 2600283 2635661 2873997 2913099 3193330 3219741 3388707 3577490 3714690 3765230 4105710 4161570 4333805 4599630 4789995 4841010 4855165 5008486 5200566 5271322 5366235 5572035 5647845 5747994 5826198 6067327 6242355 6439482 6777414 6797231 7512729 7800849 7906983 8667610 8739297 9579990 9710330 10732470 11144070 11295690 12134654 12484710 12521215 13001415 13178305 13594462 14369985 14565495 15025458 15601698 15813966 16098705 16943535 17478594 18201981 18449627 20391693 22538187 23720949 25042430 26002830 26356610 28739970 29130990 30336635 32197410 33887070 33986155 36403962 36899254 37563645 39004245 39534915 40783386 43696485 45076374 47441898 47580617 54605943 55348881 60673270 61175079 67972310 75127290 78008490 79069830 87392970 91009905 92248135 95161234 101958465 109211886 110697762 112690935 118604745 122350158 129147389 142741851 166046643 182019810 184496270 203916930 225381870 237209490 237903085 258294778 273029715 276744405 285483702 305875395 332093286 387442167 428225553 475806170 546059430 553488810 611750790 645736945 713709255 774884334 830233215 856451106 904031723 1162326501 1291473890 1427418510 1660466430 1808063446 1937210835 2141127765 2324653002 2712095169 3874421670 4282255530 4520158615 5424190338 5811632505 8136285507 9040317230 11623265010 13560475845 16272571014 27120951690 40681427535 81362855070
• Sum of all divisors σ(n): 262219744800
• Sum of proper divisors (its aliquot sum) s(n): 180856889730
• 81362855070 is an abundant number, because the sum of its proper divisors (180856889730) is greater than itself. Its abundance is 99494034660

Bases of 81362855070

• Binary: 1001011110001100110101010010010011110₂
• Hexadecimal: 0x12F19AA49E
• Base-36: 11DLCCRI

Squares and roots of 81362855070

• 81362855070 squared (81362855070²) is 6619914185141824704900
• 81362855070 cubed (81362855070³) is 538615118421531430860124218843000
• The square root of 81362855070 is 285241.7484696097
• The cube root of 81362855070 is 4333.1999215271

Scales and comparisons

• 81,362,855,070 seconds is equal to 2,587 years, 4 weeks, 3 days, 17 hours, 4 minutes, 30 seconds.
• To count from 1 to 81,362,855,070 would take you about five thousand, one hundred seventy-four 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 81362855070 cubic inches would be around 361.1 feet tall.

Recreational maths with 81362855070

• 81362855070 backwards is 07055826318
• 81362855070 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 81362855070's digits is 45
• More coming soon!