813680679840

Names of 813680679840

• Cardinal: 813680679840 can be written as Eight hundred thirteen billion, six hundred eighty million, six hundred seventy-nine thousand, eight hundred forty.

Scientific notation

• Scientific notation: 8.1368067984 × 10¹¹

Factors of 813680679840

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 1016

Divisors of 813680679840

• Number of divisors d(n): 768
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 24 28 30 32 35 40 41 42 48 49 56 60 70 80 82 84 96 98 105 112 120 123 140 147 149 160 164 168 196 205 210 224 240 245 246 280 287 294 298 328 336 343 392 410 420 447 480 490 492 560 574 588 596 615 656 672 686 735 745 784 809 820 840 861 894 980 984 1029 1043 1120 1148 1176 1192 1230 1312 1372 1435 1470 1490 1568 1618 1640 1680 1715 1722 1788 1960 1968 2009 2058 2086 2235 2296 2352 2384 2427 2460 2744 2870 2940 2980 3129 3236 3280 3360 3430 3444 3576 3920 3936 4018 4045 4116 4172 4305 4470 4592 4704 4768 4854 4920 5145 5215 5488 5663 5740 5880 5960 6027 6109 6258 6472 6560 6860 6888 7152 7301 7840 8036 8090 8232 8344 8610 8940 9184 9708 9840 10045 10290 10430 10976 11326 11480 11760 11920 12054 12135 12218 12516 12944 13720 13776 14063 14304 14602 15645 16072 16180 16464 16688 16989 17220 17880 18327 19416 19680 20090 20580 20860 21903 22652 22960 23520 23840 24108 24270 24436 25032 25888 27440 27552 28126 28315 29204 30135 30545 31290 32144 32360 32928 33169 33376 33978 34440 35760 36505 36654 38832 39641 40180 41160 41720 42189 42763 43806 45304 45920 48216 48540 48872 50064 51107 54880 56252 56630 58408 60270 61090 62580 64288 64720 66338 67956 68880 70315 71520 73010 73308 77664 79282 80360 82320 83440 84378 84945 85526 87612 90608 91635 96432 97080 97744 99507 100128 102214 109515 112504 113260 116816 118923 120540 120541 122180 125160 128289 129440 132676 135912 137760 140630 146020 146616 153321 158564 160720 164640 165845 166880 168756 169890 171052 175224 181216 183270 192864 194160 195488 198205 199014 204428 210945 213815 219030 225008 226520 232183 233632 237846 241080 241082 244360 250320 255535 256578 265352 271824 277487 281260 292040 293232 299341 306642 317128 321440 331690 337512 339780 342104 350448 361623 366540 388320 396410 398028 408856 421890 427630 438060 450016 453040 464366 475692 482160 482164 488720 497535 500640 511070 513156 530704 543648 554974 562520 584080 586464 594615 598682 602705 613284 634256 641445 663380 675024 679560 684208 696549 700896 723246 733080 766605 792820 796056 817712 832461 843780 843787 855260 876120 898023 906080 928732 951384 964320 964328 977440 995070 1022140 1026312 1061408 1109948 1125040 1160915 1168160 1189230 1197364 1205410 1226568 1268512 1282890 1326760 1350048 1359120 1368416 1387435 1393098 1446492 1466160 1496705 1533210 1585640 1592112 1625281 1635424 1664922 1687560 1687574 1710520 1752240 1796046 1808115 1857464 1902768 1928656 1990140 2044280 2052624 2095387 2219896 2250080 2321830 2378460 2394728 2410820 2453136 2531361 2565780 2653520 2718240 2774870 2786196 2892984 2932320 2993410 3066420 3171280 3184224 3250562 3329844 3375120 3375148 3421040 3482745 3504480 3592092 3616230 3714928 3805536 3857312 3980280 4088560 4105248 4162305 4190774 4218935 4439792 4490115 4643660 4756920 4789456 4821640 4875843 4906272 4942181 5062722 5131560 5307040 5549740 5572392 5785968 5906509 5986820 6132840 6286161 6342560 6501124 6659688 6750240 6750296 6842080 6965490 7184184 7232460 7429856 7960560 8126405 8177120 8324610 8381548 8437870 8879584 8980230 9287320 9513840 9578912 9643280 9751686 9884362 10125444 10263120 10476935 11099480 11144784 11376967 11571936 11813018 11973640 12265680 12572322 12656805 13002248 13319376 13500592 13930980 14368368 14464920 14826543 15921120 16252810 16649220 16763096 16875740 17719527 17960460 18574640 19027680 19286560 19503372 19768724 20250888 20526240 20953870 22198960 22289568 22753934 23626036 23947280 24379215 24531360 24710905 25144644 25313610 26004496 26638752 27001184 27861960 28736736 28929840 29532545 29653086 31430805 32505620 33298440 33526192 33751480 34130901 34595267 35439054 35920920 37149280 39006744 39537448 40501776 41345563 41907740 44397920 45507868 47252072 47894560 48758430 49421810 50289288 50627220 52008992 55723920 56884835 57859680 59065090 59306172 62861610 65011240 66596880 67052384 67502960 68261802 69190534 70878108 71841840 74132715 78013488 79074896 81003552 82691126 83815480 88597635 91015736 94504144 97516860 98843620 100578576 101254440 103785801 111447840 113769670 118130180 118612344 124036689 125723220 130022480 133193760 135005920 136523604 138381068 141756216 143683680 148265430 156026976 158149792 165382252 167630960 170654505 172976335 177195270 182031472 189008288 195033720 197687240 201157152 202508880 206727815 207571602 227539340 236260360 237224688 242166869 248073378 251446440 260044960 273047208 276762136 283512432 296530860 330764504 335261920 341309010 345952670 354390540 364062944 390067440 395374480 405017760 413455630 415143204 455078680 472520720 474449376 484333738 496146756 502892880 518929005 546094416 553524272 567024864 593061720 620183445 661529008 682618020 691905340 708781080 726500607 780134880 790748960 826911260 830286408 910157360 945041440 968667476 992293512 1005785760 1037858010 1092188832 1107048544 1186123440 1210834345 1240366890 1323058016 1365236040 1383810680 1417562160 1453001214 1653822520 1660572816 1695168083 1820314720 1937334952 1984587024 2075716020 2372246880 2421668690 2480733780 2730472080 2767621360 2835124320 2906002428 3307645040 3321145632 3390336166 3632503035 3874669904 3969174048 4151432040 4843337380 4961467560 5085504249 5460944160 5535242720 5812004856 6615290080 6780672332 7265006070 7749339808 8302864080 8475840415 9686674760 9922935120 10171008498 11624009712 13561344664 14530012140 16605728160 16951680830 19373349520 19845870240 20342016996 23248019424 25427521245 27122689328 29060024280 33903361660 38746699040 40684033992 50855042490 54245378656 58120048560 67806723320 81368067984 101710084980 116240097120 135613446640 162736135968 203420169960 271226893280 406840339920 813680679840
• Sum of all divisors σ(n): 3086294400000
• Sum of proper divisors (its aliquot sum) s(n): 2272613720160
• 813680679840 is an abundant number, because the sum of its proper divisors (2272613720160) is greater than itself. Its abundance is 1458933040320

Bases of 813680679840

• Binary: 1011110101110011001001011101101110100000₂
• Hexadecimal: 0xBD7325DBA0
• Base-36: ADSSGUQO

Squares and roots of 813680679840

• 813680679840 squared (813680679840²) is 662076248744884582425600
• 813680679840 cubed (813680679840³) is 538718652184654633750396724219904000
• The square root of 813680679840 is 902042.5044530883
• The cube root of 813680679840 is 9335.7956025827

Scales and comparisons

• 813,680,679,840 seconds is equal to 25,872 years, 27 weeks, 3 days, 11 hours, 4 minutes.
• To count from 1 to 813,680,679,840 would take you about fifty-one thousand, seven hundred forty-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 813680679840 cubic inches would be around 778 feet tall.

Recreational maths with 813680679840

• 813680679840 backwards is 048976086318
• 813680679840 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 813680679840's digits is 60
• More coming soon!