80648900640

Names of 80648900640

• Cardinal: 80648900640 can be written as Eighty billion, six hundred forty-eight million, nine hundred thousand, six hundred forty.

Scientific notation

• Scientific notation: 8.064890064 × 10¹⁰

Factors of 80648900640

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 138

Divisors of 80648900640

• Number of divisors d(n): 1728
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 11 12 14 15 16 18 20 21 22 24 27 28 30 31 32 33 35 36 40 42 44 45 48 54 55 56 60 62 63 66 70 72 77 79 80 81 84 88 90 93 96 99 105 108 110 112 120 121 124 126 132 135 140 144 154 155 158 160 162 165 168 176 180 186 189 198 210 216 217 220 224 231 237 240 242 243 248 252 264 270 279 280 288 297 308 310 315 316 324 330 336 341 352 360 363 372 378 385 395 396 405 420 432 434 440 462 465 474 480 484 486 495 496 504 528 540 553 558 560 567 594 605 616 620 630 632 648 651 660 672 682 693 711 720 726 744 756 770 790 792 810 837 840 847 864 868 869 880 891 924 930 945 948 968 972 990 992 1008 1023 1056 1080 1085 1089 1106 1116 1120 1134 1155 1185 1188 1210 1215 1232 1240 1260 1264 1296 1302 1320 1364 1386 1395 1422 1440 1452 1485 1488 1512 1540 1580 1584 1620 1659 1674 1680 1694 1701 1705 1736 1738 1760 1782 1815 1848 1860 1890 1896 1936 1944 1953 1980 2016 2046 2079 2133 2160 2170 2178 2212 2232 2268 2310 2370 2376 2387 2420 2430 2449 2464 2480 2511 2520 2528 2541 2592 2604 2607 2640 2673 2728 2765 2772 2790 2835 2844 2904 2970 2976 3024 3069 3080 3160 3168 3240 3255 3267 3318 3348 3360 3388 3402 3410 3465 3472 3476 3555 3564 3630 3696 3720 3751 3780 3792 3872 3888 3906 3960 4092 4158 4185 4235 4266 4320 4340 4345 4356 4424 4455 4464 4536 4620 4740 4752 4774 4840 4860 4898 4960 4977 5022 5040 5082 5115 5208 5214 5280 5346 5445 5456 5530 5544 5580 5670 5688 5808 5859 5940 6048 6083 6138 6160 6237 6320 6399 6480 6510 6534 6636 6696 6776 6804 6820 6930 6944 6952 7110 7128 7161 7260 7347 7392 7440 7502 7533 7560 7584 7623 7776 7812 7821 7920 8184 8295 8316 8370 8470 8505 8532 8680 8690 8712 8848 8910 8928 9072 9207 9240 9480 9504 9548 9559 9680 9720 9765 9796 9801 9954 10044 10080 10164 10230 10395 10416 10428 10665 10692 10890 10912 11060 11088 11160 11253 11340 11376 11616 11718 11880 11935 12166 12245 12276 12320 12474 12555 12640 12705 12798 12960 13020 13035 13068 13272 13365 13392 13552 13608 13640 13860 13904 14220 14256 14322 14520 14694 14880 14931 15004 15066 15120 15246 15345 15624 15642 15840 16335 16368 16590 16632 16740 16940 17010 17064 17143 17360 17380 17424 17577 17696 17820 18144 18249 18414 18480 18711 18755 18960 19096 19118 19197 19360 19440 19530 19592 19602 19908 20088 20328 20460 20790 20832 20856 21330 21384 21483 21780 22041 22120 22176 22320 22506 22680 22752 22869 23436 23463 23760 23870 24332 24490 24552 24885 24948 25110 25410 25596 26040 26070 26136 26257 26544 26730 26784 26939 27104 27216 27280 27621 27720 27808 28440 28512 28644 28677 29040 29295 29388 29403 29862 30008 30132 30240 30415 30492 30690 31185 31248 31284 31995 32670 32736 33180 33264 33480 33759 33880 34020 34128 34286 34720 34760 34848 35154 35640 35805 36498 36735 36828 36960 37422 37510 37665 37920 38115 38192 38236 38394 38880 39060 39105 39184 39204 39816 40176 40656 40920 41580 41712 42660 42768 42966 43560 44082 44240 44640 44793 45012 45360 45738 46035 46872 46926 47520 47740 47795 48664 48980 49005 49104 49770 49896 50220 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26882966880 40324450320 80648900640
• Sum of all divisors σ(n): 374778593280
• Sum of proper divisors (its aliquot sum) s(n): 294129692640
• 80648900640 is an abundant number, because the sum of its proper divisors (294129692640) is greater than itself. Its abundance is 213480792000

Bases of 80648900640

• Binary: 1001011000111000011001001000000100000₂
• Hexadecimal: 0x12C70C9020
• Base-36: 111S9U00

Squares and roots of 80648900640

• 80648900640 squared (80648900640²) is 6504245174440592409600
• 80648900640 cubed (80648900640³) is 524560222811658804824568582144000
• The square root of 80648900640 is 283987.5008517101
• The cube root of 80648900640 is 4320.4881392849

Scales and comparisons

• 80,648,900,640 seconds is equal to 2,564 years, 20 weeks, 8 hours, 24 minutes.
• To count from 1 to 80,648,900,640 would take you about five thousand, one hundred twenty-eight 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 80648900640 cubic inches would be around 360 feet tall.

Recreational maths with 80648900640

• 80648900640 backwards is 04600984608
• 80648900640 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 80648900640's digits is 45
• More coming soon!