640228182840

Names of 640228182840

• Cardinal: 640228182840 can be written as Six hundred forty billion, two hundred twenty-eight million, one hundred eighty-two thousand, eight hundred forty.

Scientific notation

• Scientific notation: 6.4022818284 × 10¹¹

Factors of 640228182840

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 150

Divisors of 640228182840

• Number of divisors d(n): 448
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 18 20 24 27 30 36 40 45 54 60 67 72 73 81 90 108 120 134 135 146 162 180 201 216 219 243 268 270 292 324 335 360 365 402 405 438 486 536 540 584 603 648 657 670 729 730 804 810 876 972 1005 1080 1095 1206 1215 1314 1340 1458 1460 1608 1620 1752 1809 1944 1971 2010 2190 2412 2430 2628 2680 2916 2920 3015 3240 3285 3618 3645 3942 4020 4380 4489 4824 4860 4891 5256 5427 5832 5913 6030 6570 7236 7290 7884 8040 8760 8978 9045 9720 9782 9855 10854 11826 12060 13140 13467 14472 14580 14673 15768 16281 17739 17956 18090 19564 19710 21708 22445 23652 24120 24455 26280 26934 27135 29160 29346 29565 32562 35478 35912 36180 39128 39420 40401 43416 44019 44890 47304 48843 48910 53217 53868 54270 58692 59130 65124 67335 70956 72360 73365 78840 80802 81405 88038 88695 89780 97686 97820 106434 107736 108540 117384 118260 121203 130248 132057 134670 141912 146730 161604 162810 176076 177390 179560 195372 195640 202005 212868 217080 220095 236520 242406 244215 264114 266085 269340 293460 300763 323208 325620 327697 352152 354780 363609 390744 396171 404010 425736 440190 484812 488430 528228 532170 538680 586920 601526 606015 651240 655394 660285 709560 727218 792342 808020 880380 902289 969624 976860 983091 1056456 1064340 1090827 1188513 1203052 1212030 1310788 1320570 1454436 1503815 1584684 1616040 1638485 1760760 1804578 1818045 1953720 1966182 1980855 2128680 2181654 2377026 2406104 2424060 2621576 2641140 2706867 2908872 2949273 3007630 3169368 3272481 3276970 3565539 3609156 3636090 3932364 3961710 4363308 4511445 4754052 4848120 4915455 5282280 5413734 5454135 5898546 5942565 6015260 6544962 6553940 7131078 7218312 7272180 7864728 7923420 8120601 8726616 8847819 9022890 9508104 9830910 10827468 10908270 11797092 11885130 12030520 13089924 13107880 13534335 14262156 14544360 14746365 15846840 16241202 16362405 17695638 17827695 18045780 19661820 21654936 21816540 21955699 23594184 23770260 24361803 26179848 26543457 27068670 28524312 29492730 32482404 32724810 35391276 35655390 36091560 39323640 40603005 43633080 43911398 44239095 47540520 48723606 53086914 54137340 58985460 64964808 65449620 65867097 70782552 71310780 73085409 79630371 81206010 87822796 88478190 97447212 106173828 108274680 109778495 117970920 121809015 130899240 131734194 132717285 142621560 146170818 159260742 162412020 175645592 176956380 194894424 197601291 212347656 219256227 219556990 238891113 243618030 263468388 265434570 292341636 318521484 324824040 329335485 353912760 365427045 395202582 398151855 438512454 439113980 477782226 487236060 526936776 530869140 584683272 592803873 637042968 658670970 730854090 790405164 796303710 877024908 878227960 955564452 974472120 988006455 1061738280 1096281135 1185607746 1194455565 1317341940 1461708180 1580810328 1592607420 1754049816 1778411619 1911128904 1976012910 2192562270 2371215492 2388911130 2634683880 2923416360 2964019365 3185214840 3556823238 3952025820 4385124540 4742430984 4777822260 5335234857 5928038730 7113646476 7904051640 8770249080 8892058095 9555644520 10670469714 11856077460 14227292952 16005704571 17784116190 21340939428 23712154920 26676174285 32011409142 35568232380 42681878856 53352348570 64022818284 71136464760 80028522855 106704697140 128045636568 160057045710 213409394280 320114091420 640228182840
• Sum of all divisors σ(n): 2222540301600
• Sum of proper divisors (its aliquot sum) s(n): 1582312118760
• 640228182840 is an abundant number, because the sum of its proper divisors (1582312118760) is greater than itself. Its abundance is 942083935920

Bases of 640228182840

• Binary: 1001010100010000100100101100101100111000₂
• Hexadecimal: 0x951092CB38
• Base-36: 8647BVI0

Squares and roots of 640228182840

• 640228182840 squared (640228182840²) is 409892126102608470465600
• 640228182840 cubed (640228182840³) is 262424491055097152430182896730304000
• The square root of 640228182840 is 800142.6015654959
• The cube root of 640228182840 is 8618.7628155709

Scales and comparisons

• 640,228,182,840 seconds is equal to 20,357 years, 14 weeks, 2 days, 9 hours, 54 minutes.
• To count from 1 to 640,228,182,840 would take you about forty thousand, seven hundred fourteen 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 640228182840 cubic inches would be around 718.2 feet tall.

Recreational maths with 640228182840

• 640228182840 backwards is 048281822046
• 640228182840 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 640228182840's digits is 45
• More coming soon!