80939680640

Names of 80939680640

• Cardinal: 80939680640 can be written as Eighty billion, nine hundred thirty-nine million, six hundred eighty thousand, six hundred forty.

Scientific notation

• Scientific notation: 8.093968064 × 10¹⁰

Factors of 80939680640

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 538

Divisors of 80939680640

• Number of divisors d(n): 512
• Complete list of divisors:
  1 2 4 5 7 8 10 13 14 16 20 26 28 31 32 35 40 52 56 62 64 65 70 80 91 104 112 124 127 128 130 140 155 160 182 208 217 224 248 254 260 280 310 320 353 364 403 416 434 448 455 496 508 520 560 620 635 640 706 728 806 832 868 889 896 910 992 1016 1040 1085 1120 1240 1270 1412 1456 1612 1651 1664 1736 1765 1778 1820 1984 2015 2032 2080 2170 2240 2471 2480 2540 2821 2824 2912 3224 3302 3472 3530 3556 3640 3937 3968 4030 4064 4160 4340 4445 4480 4589 4942 4960 5080 5642 5648 5824 6448 6604 6944 7060 7112 7280 7874 8060 8128 8255 8320 8680 8890 9178 9884 9920 10160 10943 11284 11296 11557 11648 12355 12896 13208 13888 14105 14120 14224 14560 15748 16120 16256 16510 17360 17780 18356 19685 19768 19840 20320 21886 22568 22592 22945 23114 24710 25792 26416 27559 27776 28210 28240 28448 29120 31496 32123 32240 33020 34720 35560 36712 39370 39536 40640 43772 44831 45136 45184 45890 46228 49420 51181 51584 52832 54715 55118 56420 56480 56896 57785 58240 62992 64246 64480 66040 69440 71120 73424 76601 78740 79072 81280 87544 89662 90272 91780 92456 98840 102362 105664 109430 110236 112840 112960 113792 115570 125984 128492 128960 132080 137795 138880 142240 142259 146848 153202 157480 158144 160615 175088 179324 180544 183560 184912 197680 204724 211328 218860 220472 224155 225680 225920 231140 251968 255905 256984 257920 264160 275590 284480 284518 293696 306404 313817 314960 316288 321230 350176 358267 358648 361088 367120 369824 383005 395360 409448 437720 440944 448310 451360 462280 503936 511810 513968 528320 551180 568960 569036 582803 587392 612808 627634 629920 642460 700352 711295 716534 717296 734240 739648 766010 790720 818896 875440 881888 896620 902720 924560 995813 1023620 1027936 1056640 1102360 1138072 1165606 1225616 1255268 1259840 1284920 1389761 1400704 1422590 1433068 1434592 1468480 1479296 1532020 1569085 1581440 1637792 1750880 1763776 1791335 1793240 1805440 1849120 1991626 2047240 2055872 2204720 2276144 2331212 2451232 2510536 2519680 2569840 2779522 2845180 2866136 2869184 2914015 2936960 3064040 3138170 3275584 3501760 3527552 3582670 3586480 3698240 3983252 4079621 4094480 4111744 4409440 4552288 4662424 4902464 4979065 5021072 5139680 5559044 5690360 5732272 5738368 5828030 6128080 6276340 6551168 6948805 7003520 7165340 7172960 7396480 7966504 8159242 8188960 8818880 9104576 9324848 9728327 9804928 9958130 10042144 10279360 11118088 11380720 11464544 11656060 12256160 12552680 13897610 14330680 14345920 15933008 16318484 16377920 17637760 18066893 18209152 18649696 19456654 19916260 20084288 20398105 20558720 22236176 22761440 22929088 23312120 24512320 25105360 27795220 28661360 28691840 31866016 32636968 32755840 36133786 37299392 38913308 39832520 40168576 40796210 44472352 45522880 45858176 46624240 48641635 49024640 50210720 55590440 57322720 63732032 65273936 72267572 74598784 77826616 79665040 81592420 88944704 90334465 91045760 93248480 97283270 100421440 111180880 114645440 126468251 127464064 130547872 144535144 155653232 159330080 163184840 177889408 180668930 186496960 194566540 200842880 222361760 229290880 252936502 261095744 289070288 311306464 318660160 326369680 361337860 372993920 389133080 444723520 505873004 522191488 578140576 622612928 632341255 637320320 652739360 722675720 778266160 889447040 1011746008 1156281152 1245225856 1264682510 1305478720 1445351440 1556532320 2023492016 2312562304 2529365020 2610957440 2890702880 3113064640 4046984032 5058730040 5781405760 6226129280 8093968064 10117460080 11562811520 16187936128 20234920160 40469840320 80939680640
• Sum of all divisors σ(n): 248469258240
• Sum of proper divisors (its aliquot sum) s(n): 167529577600
• 80939680640 is an abundant number, because the sum of its proper divisors (167529577600) is greater than itself. Its abundance is 86589896960

Bases of 80939680640

• Binary: 1001011011000011000011000001110000000₂
• Hexadecimal: 0x12D8618380
• Base-36: 116LE9A8

Squares and roots of 80939680640

• 80939680640 squared (80939680640²) is 6551231902105190809600
• 80939680640 cubed (80939680640³) is 530254617954973887815287046144000
• The square root of 80939680640 is 284498.9993655515
• The cube root of 80939680640 is 4325.6744248149

Scales and comparisons

• 80,939,680,640 seconds is equal to 2,573 years, 32 weeks, 5 days, 20 hours, 37 minutes, 20 seconds.
• To count from 1 to 80,939,680,640 would take you about five thousand, one hundred forty-seven 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 80939680640 cubic inches would be around 360.5 feet tall.

Recreational maths with 80939680640

• 80939680640 backwards is 04608693908
• The number of decimal digits it has is: 11
• The sum of 80939680640's digits is 53
• More coming soon!