85729579920

Names of 85729579920

• Cardinal: 85729579920 can be written as Eighty-five billion, seven hundred twenty-nine million, five hundred seventy-nine thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 8.572957992 × 10¹⁰

Factors of 85729579920

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 5451

Divisors of 85729579920

• Number of divisors d(n): 360
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 23 24 30 31 36 40 45 46 48 60 62 69 72 80 90 92 93 115 120 124 138 144 155 180 184 186 207 230 240 248 276 279 310 345 360 368 372 414 460 465 496 552 558 620 690 713 720 744 828 920 930 961 1035 1104 1116 1240 1380 1395 1426 1488 1656 1840 1860 1922 2070 2139 2232 2480 2760 2790 2852 2883 3312 3565 3720 3844 4140 4278 4464 4805 5387 5520 5580 5704 5766 6417 7130 7440 7688 8280 8556 8649 9610 10695 10774 11160 11408 11532 12834 14260 14415 15376 16161 16560 17112 17298 19220 21390 21548 22103 22320 23064 25668 26935 28520 28830 32085 32322 34224 34596 38440 42780 43096 43245 44206 46128 48483 51336 53870 57040 57660 64170 64644 66309 69192 76880 80805 85560 86192 86490 88412 96966 102672 107740 110515 115320 123901 128340 129288 132618 138384 161610 166997 171120 172980 176824 193932 198927 215480 221030 230640 242415 247802 256680 258576 265236 323220 331545 333994 345960 353648 371703 387864 397854 430960 442060 484830 495604 500991 513360 530472 619505 646440 663090 667988 691920 743406 775728 795708 834985 884120 969660 991208 994635 1001982 1060944 1115109 1239010 1292880 1326180 1335976 1486812 1502973 1591416 1669970 1768240 1858515 1939320 1982416 1989270 2003964 2230218 2478020 2504955 2652360 2671952 2973624 3005946 3182832 3339940 3717030 3840931 3878640 3978540 4007928 4460436 4956040 5009910 5176907 5304720 5575545 5947248 6011892 6679880 7434060 7514865 7681862 7957080 8015856 8920872 9912080 10019820 10353814 11151090 11522793 12023784 13359760 14868120 15029730 15363724 15530721 15914160 17841744 19204655 20039640 20707628 22302180 23045586 24047568 25884535 29736240 30059460 30727448 31061442 34568379 38409310 40079280 41415256 44604360 46091172 46592163 51769070 57613965 60118920 61454896 62122884 69136758 76818620 77653605 82830512 89208720 92182344 93184326 103538140 115227930 119068861 120237840 124245768 138273516 153637240 155307210 172841895 184364688 186368652 207076280 230455860 232960815 238137722 248491536 276547032 307274480 310614420 345683790 357206583 372737304 414152560 460911720 465921630 476275444 553094064 595344305 621228840 691367580 714413166 745474608 921823440 931843260 952550888 1071619749 1190688610 1242457680 1382735160 1428826332 1786032915 1863686520 1905101776 2143239498 2381377220 2765470320 2857652664 3572065830 3727373040 4286478996 4762754440 5358098745 5715305328 7144131660 8572957992 9525508880 10716197490 14288263320 17145915984 21432394980 28576526640 42864789960 85729579920
• Sum of all divisors σ(n): 310487681088
• Sum of proper divisors (its aliquot sum) s(n): 224758101168
• 85729579920 is an abundant number, because the sum of its proper divisors (224758101168) is greater than itself. Its abundance is 139028521248

Bases of 85729579920

• Binary: 1001111110101111000011001001110010000₂
• Hexadecimal: 0x13F5E19390
• Base-36: 13DT6F80

Squares and roots of 85729579920

• 85729579920 squared (85729579920²) is 7349560873259667206400
• 85729579920 cubed (85729579920³) is 630074766261019630683671935488000
• The square root of 85729579920 is 292796.1405483345
• The cube root of 85729579920 is 4409.3736102631

Scales and comparisons

• 85,729,579,920 seconds is equal to 2,725 years, 48 weeks, 4 days, 12 hours, 12 minutes.
• To count from 1 to 85,729,579,920 would take you about five thousand, four hundred fifty-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 85729579920 cubic inches would be around 367.4 feet tall.

Recreational maths with 85729579920

• 85729579920 backwards is 02997592758
• The number of decimal digits it has is: 11
• The sum of 85729579920's digits is 63
• More coming soon!