12818315520

Names of 12818315520

• Cardinal: 12818315520 can be written as Twelve billion, eight hundred eighteen million, three hundred fifteen thousand, five hundred twenty.

Scientific notation

• Scientific notation: 1.281831552 × 10¹⁰

Factors of 12818315520

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 154

Divisors of 12818315520

• Number of divisors d(n): 864
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 17 18 20 24 29 30 32 34 36 37 40 45 48 51 58 60 61 64 68 72 74 80 85 87 90 96 102 111 116 120 122 128 136 144 145 148 153 160 170 174 180 183 185 192 204 222 232 240 244 255 256 261 272 288 290 296 305 306 320 333 340 348 360 366 370 384 408 435 444 464 480 488 493 510 522 544 549 555 576 580 592 610 612 629 640 666 680 696 720 732 740 765 768 816 870 888 915 928 960 976 986 1020 1037 1044 1073 1088 1098 1110 1152 1160 1184 1220 1224 1258 1280 1305 1332 1360 1392 1440 1464 1479 1480 1530 1632 1665 1740 1769 1776 1830 1856 1887 1920 1952 1972 2040 2074 2088 2146 2176 2196 2220 2257 2304 2320 2368 2440 2448 2465 2516 2610 2664 2720 2745 2784 2880 2928 2958 2960 3060 3111 3145 3219 3264 3330 3480 3538 3552 3660 3712 3774 3840 3904 3944 4080 4148 4176 4292 4352 4392 4437 4440 4514 4640 4736 4880 4896 4930 5032 5185 5220 5307 5328 5365 5440 5490 5568 5661 5760 5856 5916 5920 6120 6222 6290 6438 6528 6660 6771 6960 7076 7104 7320 7395 7424 7548 7808 7888 8160 8296 8352 8584 8784 8845 8874 8880 9028 9280 9333 9435 9472 9657 9760 9792 9860 10064 10370 10440 10614 10656 10730 10880 10980 11136 11285 11322 11520 11712 11832 11840 12240 12444 12580 12876 13056 13320 13542 13920 14152 14208 14640 14790 15096 15555 15616 15776 15921 16095 16320 16592 16704 17168 17568 17690 17748 17760 18056 18241 18560 18666 18870 19314 19520 19584 19720 20128 20313 20740 20880 21228 21312 21460 21760 21960 22185 22272 22570 22644 23424 23664 23680 24480 24888 25160 25752 26535 26640 27084 27840 28304 28305 28416 29280 29580 30073 30192 31110 31552 31842 32190 32640 33184 33408 33855 34336 35136 35380 35496 35520 36112 36482 37120 37332 37740 38369 38628 39040 39168 39440 40256 40626 41480 41760 42456 42624 42920 43920 44370 45140 45288 46665 46848 47328 47360 48285 48960 49776 50320 51504 53070 53280 54168 54723 55680 56608 56610 58560 59160 60146 60384 62220 63104 63684 64380 65280 65453 66368 66816 67710 68672 70272 70760 70992 71040 72224 72964 74664 75480 76738 77256 78080 78880 79605 80512 81252 82960 83520 84912 85248 85840 87840 88740 90219 90280 90576 91205 93330 94656 96570 97920 99552 100640 101565 103008 106140 106560 108336 109446 111360 113216 113220 115107 117120 118320 120292 120768 124440 126208 127368 128760 130906 132736 135420 137344 140544 141520 141984 142080 144448 145928 149328 150365 150960 153476 154512 157760 159210 161024 162504 164169 165920 167040 169824 171680 175680 177480 180438 180560 181152 182410 186660 189312 191845 193140 195840 196359 199104 201280 203130 206016 212280 213120 216672 218892 226432 226440 230214 234240 236640 240584 241536 248880 254736 257520 261812 265472 270657 270840 273615 274688 283040 283968 288896 291856 298656 300730 301920 306952 309024 315520 318420 325008 327265 328338 331840 334080 339648 343360 345321 351360 354960 360876 361120 362304 364820 373320 378624 383690 386280 392718 398208 402560 406260 412032 424560 426240 433344 437784 451095 452864 452880 460428 473280 481168 483072 497760 509472 515040 523624 541314 541680 547230 566080 567936 575535 577792 583712 589077 597312 601460 603840 613904 618048 631040 636840 650016 654530 656676 663680 679296 686720 690642 702720 709920 721752 722240 724608 729640 746640 767380 772560 785436 796416 805120 812520 820845 824064 849120 866688 875568 902190 905760 920856 946560 962336 981795 995520 1018944 1030080 1047248 1082628 1083360 1094460 1112701 1132160 1135872 1151070 1167424 1178154 1194624 1202920 1207680 1227808 1236096 1273680 1300032 1309060 1313352 1327360 1353285 1358592 1373440 1381284 1419840 1443504 1444480 1449216 1459280 1493280 1534760 1545120 1570872 1625040 1641690 1698240 1726605 1733376 1751136 1804380 1811520 1841712 1893120 1924672 1963590 1991040 2037888 2060160 2094496 2165256 2166720 2188920 2225402 2264320 2302140 2334848 2356308 2389248 2405840 2415360 2455616 2472192 2547360 2600064 2618120 2626704 2706570 2762568 2839680 2887008 2888960 2918560 2945385 2986560 3069520 3090240 3141744 3250080 3283380 3338103 3396480 3453210 3502272 3608760 3623040 3683424 3849344 3927180 3982080 4075776 4120320 4188992 4330512 4333440 4377840 4450804 4604280 4669696 4712616 4811680 4911232 5094720 5200128 5236240 5253408 5413140 5525136 5563505 5679360 5774016 5837120 5890770 5973120 6139040 6180480 6283488 6500160 6566760 6676206 6792960 6906420 7004544 7217520 7246080 7366848 7698688 7854360 8377984 8661024 8666880 8755680 8901608 9208560 9425232 9623360 9822464 10014309 10189440 10472480 10506816 10826280 11050272 11127010 11548032 11674240 11781540 11946240 12278080 12360960 12566976 13000320 13133520 13352412 13812840 14009088 14435040 14733696 15708720 16690515 16755968 17322048 17511360 17803216 18417120 18850464 19246720 20028618 20378880 20944960 21013632 21652560 22100544 22254020 23096064 23348480 23563080 24556160 25133952 26000640 26267040 26704824 27625680 28870080 29467392 31417440 33381030 34644096 35022720 35606432 36834240 37700928 38493440 40057236 41889920 42027264 43305120 44201088 44508040 47126160 49112320 50071545 50267904 52534080 53409648 55251360 57740160 62834880 66762060 69288192 70045440 71212864 73668480 75401856 80114472 83779840 86610240 88402176 89016080 94252320 100143090 105068160 106819296 110502720 115480320 125669760 133524120 142425728 147336960 150803712 160228944 173220480 178032160 188504640 200286180 210136320 213638592 221005440 251339520 267048240 284851456 320457888 346440960 356064320 377009280 400572360 427277184 442010880 534096480 640915776 712128640 754018560 801144720 854554368 1068192960 1281831552 1424257280 1602289440 2136385920 2563663104 3204578880 4272771840 6409157760 12818315520
• Sum of all divisors σ(n): 50708941920
• Sum of proper divisors (its aliquot sum) s(n): 37890626400
• 12818315520 is an abundant number, because the sum of its proper divisors (37890626400) is greater than itself. Its abundance is 25072310880

Bases of 12818315520

• Binary: 1011111100000001111111100100000000₂
• Hexadecimal: 0x2FC07F900
• Base-36: 5VZOZK0

Squares and roots of 12818315520

• 12818315520 squared (12818315520²) is 164309212770272870400
• 12818315520 cubed (12818315520³) is 2106167332132170929283268608000
• The square root of 12818315520 is 113217.9999823349
• The cube root of 12818315520 is 2340.3293860233

Scales and comparisons

• 12,818,315,520 seconds is equal to 407 years, 30 weeks, 2 days, 3 hours, 12 minutes.
• To count from 1 to 12,818,315,520 would take you about eight 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 12818315520 cubic inches would be around 195 feet tall.

Recreational maths with 12818315520

• 12818315520 backwards is 02551381821
• 12818315520 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 12818315520's digits is 36
• More coming soon!