51289819920

Names of 51289819920

• Cardinal: 51289819920 can be written as Fifty-one billion, two hundred eighty-nine million, eight hundred nineteen thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 5.128981992 × 10¹⁰

Factors of 51289819920

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 564

Divisors of 51289819920

• Number of divisors d(n): 640
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 29 30 31 36 40 45 48 54 58 60 61 62 72 80 87 90 93 108 116 120 122 124 135 144 145 155 174 180 183 186 216 232 240 244 248 261 270 279 290 305 310 348 360 366 372 432 433 435 464 465 488 496 522 540 549 558 580 610 620 696 720 732 744 783 837 866 870 899 915 930 976 1044 1080 1098 1116 1160 1220 1240 1299 1305 1392 1395 1464 1488 1566 1647 1674 1732 1740 1769 1798 1830 1860 1891 2088 2160 2165 2196 2232 2320 2440 2480 2598 2610 2697 2745 2790 2928 3132 3294 3348 3464 3480 3538 3596 3660 3720 3782 3897 3915 4176 4185 4330 4392 4464 4495 4880 5196 5220 5307 5394 5490 5580 5673 6264 6495 6588 6696 6928 6960 7076 7192 7320 7440 7564 7794 7830 8091 8235 8370 8660 8784 8845 8990 9455 10392 10440 10614 10788 10980 11160 11346 11691 12528 12557 12990 13176 13392 13423 13485 14152 14384 14640 15128 15588 15660 15921 16182 16470 16740 17019 17320 17690 17980 18910 19485 20784 20880 21228 21576 21960 22320 22692 23382 24273 25114 25980 26352 26413 26535 26846 26970 28304 28365 30256 31176 31320 31842 32364 32940 33480 34038 34640 35380 35960 37671 37820 38970 40269 40455 42456 43152 43920 45384 46764 47763 48546 50228 51057 51960 52826 53070 53692 53940 54839 56730 58455 62352 62640 62785 63684 64728 65880 66960 67115 68076 70760 71920 75342 75640 77940 79239 79605 80538 80910 84912 85095 90768 93528 95526 97092 100456 102114 103920 105652 106140 107384 107880 109678 113013 113460 116910 120807 121365 125570 127368 129456 131760 132065 134230 136152 141520 150684 151280 155880 158478 159210 161076 161820 164517 170190 187056 188355 191052 194184 200912 201345 204228 211304 212280 214768 215760 219356 226026 226920 233820 237717 238815 241614 242730 251140 254736 255285 264130 268460 272304 274195 301368 311760 316956 318420 322152 323640 329034 339039 340380 362421 376710 382104 388368 389267 396195 402690 408456 422608 424560 438712 452052 453840 467640 475434 477630 483228 485460 493551 502280 510570 528260 536920 548390 565065 602736 604035 633912 636840 644304 647280 658068 678078 680760 713151 724842 753420 764208 765977 778534 792390 805380 816912 818803 822585 877424 904104 935280 950868 955260 966456 970920 987102 1004560 1021140 1056520 1073840 1096780 1130130 1167801 1188585 1208070 1267824 1273680 1316136 1356156 1361520 1426302 1449684 1480653 1506840 1531954 1557068 1584780 1610760 1637606 1645170 1695195 1808208 1812105 1901736 1910520 1932912 1941840 1946335 1974204 2042280 2113040 2193560 2260260 2297931 2335602 2377170 2416140 2456409 2467755 2632272 2712312 2852604 2899368 2961306 3013680 3063908 3114136 3169560 3221520 3275212 3290340 3390390 3503403 3565755 3624210 3803472 3821040 3829885 3892670 3948408 4084560 4094015 4387120 4520520 4595862 4671204 4754340 4832280 4912818 4935510 5424624 5705208 5798736 5839005 5922612 6127816 6228272 6339120 6550424 6580680 6780780 6893793 7006806 7131510 7248420 7369227 7403265 7659770 7785340 7896816 8188030 9041040 9191724 9342408 9508680 9664560 9825636 9871020 10510209 11410416 11489655 11678010 11845224 12255632 12282045 13100848 13161360 13561560 13787586 14013612 14263020 14496840 14738454 14806530 15319540 15570680 16376060 17517015 18383448 18684816 19017360 19651272 19742040 20681379 21020418 22107681 22979310 23356020 23690448 23745287 24564090 27123120 27575172 28027224 28526040 28993680 29476908 29613060 30639080 31141360 32752120 34468965 35034030 36766896 36846135 39302544 39484080 41362758 42040836 44215362 45958620 46712040 47490574 49128180 52551045 55150344 56054448 57052080 58953816 59226120 61278160 65504240 68937930 70068060 71235861 73692270 82725516 84081672 88430724 91917240 93424080 94981148 98256360 103406895 105102090 110300688 110538405 117907632 118452240 118726435 137875860 140136120 142471722 147384540 165451032 168163344 176861448 183834480 189962296 196512720 206813790 210204180 213707583 221076810 237452870 275751720 280272240 284943444 294769080 330902064 353722896 356179305 379924592 413627580 420408360 427415166 442153620 474905740 551503440 569886888 589538160 641122749 712358610 827255160 840816720 854830332 884307240 949811480 1068537915 1139773776 1282245498 1424717220 1654510320 1709660664 1768614480 1899622960 2137075830 2564490996 2849434440 3205613745 3419321328 4274151660 5128981992 5698868880 6411227490 8548303320 10257963984 12822454980 17096606640 25644909960 51289819920
• Sum of all divisors σ(n): 192187699200
• Sum of proper divisors (its aliquot sum) s(n): 140897879280
• 51289819920 is an abundant number, because the sum of its proper divisors (140897879280) is greater than itself. Its abundance is 89608059360

Bases of 51289819920

• Binary: 101111110001000111001000101100010000₂
• Hexadecimal: 0xBF11C8B10
• Base-36: NK8MUC0

Squares and roots of 51289819920

• 51289819920 squared (51289819920²) is 2630645627426028806400
• 51289819920 cubed (51289819920³) is 134925340504016430600988543488000
• The square root of 51289819920 is 226472.5588675149
• The cube root of 51289819920 is 3715.4411897147

Scales and comparisons

• 51,289,819,920 seconds is equal to 1,630 years, 44 weeks, 4 days, 4 hours, 12 minutes.
• To count from 1 to 51,289,819,920 would take you about three thousand, two hundred sixty-one 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 51289819920 cubic inches would be around 309.6 feet tall.

Recreational maths with 51289819920

• 51289819920 backwards is 02991898215
• 51289819920 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 51289819920's digits is 54
• More coming soon!