8109123840

Names of 8109123840

• Cardinal: 8109123840 can be written as Eight billion, one hundred nine million, one hundred twenty-three thousand, eight hundred forty.

Scientific notation

• Scientific notation: 8.10912384 × 10⁹

Factors of 8109123840

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 17
• Sum of prime factors: 70

Divisors of 8109123840

• Number of divisors d(n): 648
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 29 30 31 32 36 40 45 48 54 58 60 62 64 72 80 81 87 90 93 96 108 116 120 124 128 135 144 145 155 160 162 174 180 186 192 216 232 240 243 248 256 261 270 279 288 290 310 320 324 348 360 372 384 405 432 435 464 465 480 486 496 522 540 558 576 580 620 640 648 696 720 744 768 783 810 837 841 864 870 899 928 930 960 972 992 1044 1080 1116 1152 1160 1215 1240 1280 1296 1305 1392 1395 1440 1488 1566 1620 1674 1682 1728 1740 1798 1856 1860 1920 1944 1984 2088 2160 2232 2304 2320 2349 2430 2480 2511 2523 2592 2610 2697 2784 2790 2880 2976 3132 3240 3348 3364 3456 3480 3596 3712 3720 3840 3888 3915 3968 4176 4185 4205 4320 4464 4495 4640 4698 4860 4960 5022 5046 5184 5220 5394 5568 5580 5760 5952 6264 6480 6696 6728 6912 6960 7047 7192 7424 7440 7533 7569 7776 7830 7936 8091 8352 8370 8410 8640 8928 8990 9280 9396 9720 9920 10044 10092 10368 10440 10788 11136 11160 11520 11745 11904 12528 12555 12615 12960 13392 13456 13485 13920 14094 14384 14880 15066 15138 15552 15660 16182 16704 16740 16820 17280 17856 17980 18560 18792 19440 19840 20088 20184 20736 20880 21576 22272 22320 22707 23490 23808 24273 25056 25110 25230 25920 26071 26784 26912 26970 27840 28188 28768 29760 30132 30276 31104 31320 32364 33408 33480 33640 34560 35235 35712 35960 37120 37584 37665 37845 38880 39680 40176 40368 40455 41760 43152 44640 45414 46980 48546 50112 50220 50460 51840 52142 53568 53824 53940 55680 56376 57536 59520 60264 60552 62208 62640 64728 66816 66960 67280 68121 70470 71424 71920 72819 75168 75330 75690 77760 78213 80352 80736 80910 83520 86304 89280 90828 93960 97092 100224 100440 100920 103680 104284 107136 107648 107880 111360 112752 113535 115072 119040 120528 121104 121365 125280 129456 130355 133920 134560 136242 140940 143840 145638 150336 150660 151380 155520 156426 160704 161472 161820 167040 172608 178560 181656 187920 194184 200448 200880 201840 204363 208568 214272 215296 215760 218457 225504 227070 230144 234639 241056 242208 242730 250560 258912 260710 267840 269120 272484 281880 287680 291276 300672 301320 302760 311040 312852 321408 322944 323640 334080 340605 345216 357120 363312 364095 375840 388368 391065 401760 403680 408726 417136 431520 436914 451008 454140 469278 482112 484416 485460 501120 517824 521420 535680 538240 544968 563760 575360 582552 601344 602640 605520 625704 642816 645888 647280 681210 690432 703917 726624 728190 751680 776736 782130 803520 807360 817452 834272 863040 873828 902016 908280 938556 964224 968832 970920 1002240 1021815 1035648 1042840 1071360 1076480 1089936 1092285 1127520 1150720 1165104 1173195 1205280 1211040 1251408 1294560 1362420 1407834 1453248 1456380 1503360 1553472 1564260 1607040 1614720 1634904 1668544 1726080 1747656 1804032 1816560 1877112 1928448 1937664 1941840 2043630 2071296 2085680 2111751 2179872 2184570 2255040 2330208 2346390 2410560 2422080 2502816 2589120 2724840 2815668 2906496 2912760 3006720 3106944 3128520 3214080 3229440 3269808 3337088 3452160 3495312 3519585 3633120 3754224 3883680 4087260 4171360 4223502 4359744 4369140 4510080 4660416 4692780 4821120 4844160 5005632 5178240 5449680 5631336 5812992 5825520 6213888 6257040 6335253 6539616 6674176 6990624 7039170 7266240 7508448 7767360 8174520 8342720 8447004 8719488 8738280 9020160 9320832 9385560 9642240 9688320 10011264 10356480 10558755 10899360 11262672 11651040 12514080 12670506 13079232 13981248 14078340 14532480 15016896 15534720 16349040 16685440 16894008 17438976 17476560 18641664 18771120 20022528 21117510 21798720 22525344 23302080 25028160 25341012 26158464 27962496 28156680 29064960 30033792 31069440 31676265 32698080 33370880 33788016 34953120 37542240 42235020 43597440 45050688 46604160 50056320 50682024 52316928 55924992 56313360 60067584 63352530 65396160 67576032 69906240 75084480 84470040 87194880 90101376 93208320 100112640 101364048 112626720 126705060 130792320 135152064 139812480 150168960 168940080 180202752 202728096 225253440 253410120 261584640 270304128 279624960 300337920 337880160 405456192 450506880 506820240 540608256 675760320 810912384 901013760 1013640480 1351520640 1621824768 2027280960 2703041280 4054561920 8109123840
• Sum of all divisors σ(n): 31105820928
• Sum of proper divisors (its aliquot sum) s(n): 22996697088
• 8109123840 is an abundant number, because the sum of its proper divisors (22996697088) is greater than itself. Its abundance is 14887573248

Bases of 8109123840

• Binary: 111100011010101110110100100000000₂
• Hexadecimal: 0x1E3576900
• Base-36: 3Q3YO00

Squares and roots of 8109123840

• 8109123840 squared (8109123840²) is 65757889452456345600
• 8109123840 cubed (8109123840³) is 533238869026998298664239104000
• The square root of 8109123840 is 90050.6737342925
• The cube root of 8109123840 is 2009.0526165781

Scales and comparisons

• 8,109,123,840 seconds is equal to 257 years, 43 weeks, 6 days, 14 hours, 24 minutes.
• To count from 1 to 8,109,123,840 would take you about five hundred fifteen 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 8109123840 cubic inches would be around 167.4 feet tall.

Recreational maths with 8109123840

• 8109123840 backwards is 0483219018
• 8109123840 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 8109123840's digits is 36
• More coming soon!