85131701720

Names of 85131701720

• Cardinal: 85131701720 can be written as Eighty-five billion, one hundred thirty-one million, seven hundred one thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 8.513170172 × 10¹⁰

Factors of 85131701720

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 490

Divisors of 85131701720

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 4 5 8 10 13 17 19 20 26 34 38 40 52 65 68 76 85 95 104 127 130 136 152 169 170 190 221 247 254 260 307 323 338 340 380 442 494 508 520 614 635 646 676 680 760 845 884 988 1016 1105 1228 1235 1270 1292 1352 1535 1615 1651 1690 1768 1976 2159 2210 2413 2456 2470 2540 2584 2873 3070 3211 3230 3302 3380 3991 4199 4318 4420 4826 4940 5080 5219 5746 5833 6140 6422 6460 6604 6760 7982 8255 8398 8636 8840 9652 9880 10438 10795 11492 11666 12065 12280 12844 12920 13208 14365 15964 16055 16510 16796 17272 19304 19955 20876 20995 21463 21590 22984 23332 24130 25688 26095 28067 28730 29165 31369 31928 32110 33020 33592 38989 39910 41021 41752 41990 42926 43180 46664 48260 51883 52190 54587 56134 57460 58330 62738 64220 66040 67847 75829 77978 79820 82042 83980 85852 86360 96520 99161 103766 104380 107315 109174 112268 114920 116660 125476 128440 135694 140335 151658 155956 156845 159640 164084 167960 171704 194945 198322 205105 207532 208760 214630 218348 224536 233320 250952 259415 271388 272935 280670 303316 311912 313690 328168 339235 364871 379145 389890 396644 407797 410210 415064 429260 436696 495805 506857 518830 533273 542776 545870 561340 606632 627380 662813 678470 729742 740791 758290 779780 793288 815594 820420 858520 882011 985777 991610 1013714 1037660 1066546 1091740 1122680 1254760 1289093 1325626 1356940 1459484 1481582 1516580 1559560 1631188 1640840 1764022 1824355 1971554 1983220 2027428 2038985 2075320 2133092 2183480 2534285 2578186 2651252 2666365 2713880 2918968 2963164 3033160 3262376 3314065 3528044 3648710 3703955 3943108 3966440 4054856 4077970 4266184 4410055 4928885 5068570 5156372 5302504 5332730 5926328 6445465 6589141 6628130 6932549 7056088 7297420 7407910 7886216 8155940 8616569 8820110 9630283 9857770 10137140 10312744 10665460 12593447 12890930 13178282 13256260 13865098 14594840 14815820 16311880 16758209 17233138 17640220 19260566 19715540 20274280 21330920 25186894 25781860 26356564 26512520 27730196 29631640 32945705 33516418 34466276 34662745 35280440 38521132 39431080 43082845 48151415 50373788 51563720 52713128 55460392 62967235 65891410 67032836 68932552 69325490 77042264 83791045 86165690 96302830 100747576 112015397 125193679 125934470 131782820 134065672 138650980 163714811 167582090 172331380 192605660 224030794 250387358 251868940 263565640 277301960 327429622 335164180 344662760 385211320 448061588 500774716 503737880 560076985 625968395 654859244 670328360 818574055 896123176 1001549432 1120153970 1251936790 1309718488 1637148110 2128292543 2240307940 2503873580 3274296220 4256585086 4480615880 5007747160 6548592440 8513170172 10641462715 17026340344 21282925430 42565850860 85131701720
• Sum of all divisors σ(n): 233752780800
• Sum of proper divisors (its aliquot sum) s(n): 148621079080
• 85131701720 is an abundant number, because the sum of its proper divisors (148621079080) is greater than itself. Its abundance is 63489377360

Bases of 85131701720

• Binary: 1001111010010001111101010110111011000₂
• Hexadecimal: 0x13D23EADD8
• Base-36: 133X7TG8

Squares and roots of 85131701720

• 85131701720 squared (85131701720²) is 7247406637743050958400
• 85131701720 cubed (85131701720³) is 616984060127889508193268928448000
• The square root of 85131701720 is 291773.3739051595
• The cube root of 85131701720 is 4399.0993631817

Scales and comparisons

• 85,131,701,720 seconds is equal to 2,706 years, 48 weeks, 14 hours, 55 minutes, 20 seconds.
• To count from 1 to 85,131,701,720 would take you about five thousand, four hundred thirteen 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 85131701720 cubic inches would be around 366.6 feet tall.

Recreational maths with 85131701720

• 85131701720 backwards is 02710713158
• The number of decimal digits it has is: 11
• The sum of 85131701720's digits is 35
• More coming soon!