85478321280

Names of 85478321280

• Cardinal: 85478321280 can be written as Eighty-five billion, four hundred seventy-eight million, three hundred twenty-one thousand, two hundred eighty.

Scientific notation

• Scientific notation: 8.547832128 × 10¹⁰

Factors of 85478321280

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 2200

Divisors of 85478321280

• Number of divisors d(n): 512
• Complete list of divisors:
  1 2 3 4 5 6 8 10 11 12 15 16 20 22 24 29 30 32 33 40 44 48 55 58 60 64 66 67 80 87 88 96 110 116 120 128 132 134 145 160 165 174 176 192 201 220 232 240 264 268 290 319 320 330 335 348 352 384 402 435 440 464 480 528 536 580 638 640 660 670 696 704 737 804 870 880 928 957 960 1005 1056 1072 1160 1276 1320 1340 1392 1408 1474 1595 1608 1740 1760 1856 1914 1920 1943 2010 2083 2112 2144 2211 2320 2552 2640 2680 2784 2948 3190 3216 3480 3520 3685 3712 3828 3886 4020 4166 4224 4288 4422 4640 4785 5104 5280 5360 5568 5829 5896 6249 6380 6432 6960 7040 7370 7656 7772 8040 8332 8576 8844 9280 9570 9715 10208 10415 10560 10720 11055 11136 11658 11792 12498 12760 12864 13920 14740 15312 15544 16080 16664 17688 18560 19140 19430 20416 20830 21120 21373 21440 22110 22913 23316 23584 24996 25520 25728 27840 29145 29480 30624 31088 31245 32160 33328 35376 38280 38860 40832 41660 42746 42880 44220 45826 46632 47168 49992 51040 55680 58290 58960 60407 61248 62176 62490 64119 64320 66656 68739 70752 76560 77720 83320 85492 88440 91652 93264 94336 99984 102080 106865 114565 116580 117920 120814 122496 124352 124980 128238 128640 133312 137478 139561 141504 153120 155440 166640 170984 176880 181221 183304 186528 199968 204160 213730 229130 233160 235840 241628 248704 249960 256476 266624 274956 279122 283008 302035 306240 310880 320595 333280 341968 343695 353760 362442 366608 373056 399936 418683 427460 458260 466320 471680 483256 499920 512952 549912 558244 604070 612480 621760 641190 664477 666560 683936 687390 697805 707520 724884 733216 746112 799872 837366 854920 906105 916520 932640 966512 999840 1025904 1099824 1116488 1208140 1243520 1282380 1328954 1333120 1367872 1374780 1395610 1415040 1449768 1466432 1535171 1674732 1709840 1812210 1833040 1865280 1933024 1993431 1999680 2051808 2093415 2199648 2232976 2416280 2564760 2657908 2735744 2749560 2791220 2899536 2932864 3070342 3322385 3349464 3419680 3624420 3666080 3730560 3866048 3986862 3999360 4047269 4103616 4186830 4399296 4465952 4605513 4832560 5129520 5315816 5499120 5582440 5799072 6140684 6644770 6698928 6839360 7248840 7332160 7675855 7732096 7973724 8094538 8207232 8373660 8798592 8931904 9211026 9665120 9967155 10259040 10631632 10998240 11164880 11598144 12141807 12281368 13289540 13397856 13678720 14497680 14664320 15351710 15947448 16189076 16747320 17863808 18422052 19330240 19934310 20236345 20518080 21263264 21996480 22329760 23027565 23196288 24283614 24562736 26579080 26795712 28995360 30703420 31894896 32378152 33494640 36844104 38660480 39868620 40472690 41036160 42526528 43992960 44519959 44659520 46055130 48567228 49125472 53158160 53591424 57990720 60709035 61406840 63789792 64756304 66989280 73688208 79737240 80945380 85053056 89039918 89319040 92110260 97134456 98250944 106316320 115981440 121418070 122813680 127579584 129512608 133559877 133978560 147376416 159474480 161890760 178079836 184220520 194268912 196501888 212632640 222599795 242836140 245627360 255159168 259025216 267119754 267957120 294752832 318948960 323781520 356159672 368441040 388537824 425265280 445199590 485672280 491254720 518050432 534239508 589505664 637897920 647563040 667799385 712319344 736882080 777075648 890399180 971344560 982509440 1068479016 1275795840 1295126080 1335598770 1424638688 1473764160 1554151296 1780798360 1942689120 2136958032 2590252160 2671197540 2849277376 2947528320 3561596720 3885378240 4273916064 5342395080 5698554752 7123193440 7770756480 8547832128 10684790160 14246386880 17095664256 21369580320 28492773760 42739160640 85478321280
• Sum of all divisors σ(n): 312219878400
• Sum of proper divisors (its aliquot sum) s(n): 226741557120
• 85478321280 is an abundant number, because the sum of its proper divisors (226741557120) is greater than itself. Its abundance is 141263235840

Bases of 85478321280

• Binary: 1001111100110111001111010110010000000₂
• Hexadecimal: 0x13E6E7AC80
• Base-36: 139NL2TC

Squares and roots of 85478321280

• 85478321280 squared (85478321280²) is 7306543408846900838400
• 85478321280 cubed (85478321280³) is 624551064947681784197056561152000
• The square root of 85478321280 is 292366.7581651513
• The cube root of 85478321280 is 4405.0616900309

Scales and comparisons

• 85,478,321,280 seconds is equal to 2,717 years, 49 weeks, 1 day, 10 hours, 8 minutes.
• To count from 1 to 85,478,321,280 would take you about five thousand, four hundred thirty-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 85478321280 cubic inches would be around 367.1 feet tall.

Recreational maths with 85478321280

• 85478321280 backwards is 08212387458
• 85478321280 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 85478321280's digits is 48
• More coming soon!