12712945440

Names of 12712945440

• Cardinal: 12712945440 can be written as Twelve billion, seven hundred twelve million, nine hundred forty-five thousand, four hundred forty.

Scientific notation

• Scientific notation: 1.271294544 × 10¹⁰

Factors of 12712945440

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 197

Divisors of 12712945440

• Number of divisors d(n): 768
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 13 15 16 17 20 24 26 30 32 34 37 39 40 41 48 51 52 60 65 68 74 78 79 80 82 85 96 102 104 111 120 123 130 136 148 156 158 160 164 170 185 195 204 205 208 221 222 237 240 246 255 260 272 296 312 316 328 340 370 390 395 408 410 416 442 444 474 480 481 492 510 520 533 544 555 592 615 624 629 632 656 663 680 697 740 780 790 816 820 884 888 948 962 984 1020 1027 1040 1066 1105 1110 1184 1185 1230 1248 1258 1264 1312 1326 1343 1360 1394 1443 1480 1517 1560 1580 1599 1632 1640 1768 1776 1887 1896 1924 1968 2040 2054 2080 2091 2132 2210 2220 2370 2405 2460 2516 2528 2652 2665 2686 2720 2788 2886 2923 2960 3034 3081 3120 3145 3160 3198 3239 3280 3315 3485 3536 3552 3774 3792 3848 3936 4029 4080 4108 4182 4264 4420 4440 4551 4740 4810 4920 5032 5135 5304 5330 5372 5576 5772 5846 5920 6068 6162 6240 6290 6320 6396 6478 6560 6630 6715 6970 7072 7215 7548 7584 7585 7696 7995 8058 8160 8177 8216 8364 8528 8769 8840 8880 9061 9102 9435 9480 9620 9717 9840 10064 10270 10455 10608 10660 10744 11152 11544 11692 12136 12324 12580 12640 12792 12956 13260 13430 13940 14430 14615 15096 15170 15392 15405 15990 16116 16195 16354 16432 16728 17056 17459 17538 17680 17760 18122 18204 18870 18960 19240 19434 19680 19721 20128 20145 20540 20910 21216 21320 21488 22304 22755 23088 23384 24272 24531 24648 25160 25584 25789 25912 26520 26860 27183 27880 28860 29230 30192 30340 30810 31980 32232 32390 32708 32864 33456 34918 35076 35360 36244 36408 37740 37920 37999 38480 38868 39442 40290 40885 41080 41820 42107 42640 42976 43845 45305 45510 46176 46768 48544 48585 49062 49296 49691 50320 51168 51578 51824 52377 53040 53720 54366 55063 55760 57720 58460 59163 60384 60680 61620 63960 64464 64780 65416 66912 69836 70152 72488 72816 75480 75998 76960 77367 77736 78884 80580 81770 82160 83640 84214 85280 87295 87690 90610 91020 93536 97170 98124 98592 98605 99382 100640 103156 103648 104754 106080 107440 108732 110126 111520 113997 115440 116920 118326 119843 121360 122655 123240 126321 127920 128928 128945 129560 130832 135915 139672 140304 144976 145632 149073 150960 151996 154734 155472 157768 161160 163540 164320 165189 167280 168428 174590 175380 181220 182040 189995 194340 196248 197210 198764 206312 209508 210535 214880 217464 220252 227994 230880 233840 236652 239686 242720 245310 246480 248455 252642 255840 257890 259120 261664 261885 271830 275315 279344 280608 289952 295815 298146 301920 303992 309468 310944 315536 322320 327080 330378 334560 335257 336856 349180 350760 359529 362440 364080 379990 386835 388680 392496 394420 397528 412624 419016 421070 434928 440504 455988 467680 473304 479372 490620 492960 496910 505284 515780 518240 523770 543660 550630 558688 569985 591630 596292 599215 607984 618936 631072 631605 644640 645983 654160 660756 670514 673712 698360 701520 715819 719058 724880 728160 745365 759980 773670 777360 784992 788840 795056 825248 825945 838032 842140 869856 881008 911976 946608 958744 981240 993820 1005771 1010568 1031560 1047540 1087320 1101260 1139970 1183260 1192584 1198430 1215968 1237872 1263210 1291966 1308320 1321512 1341028 1347424 1396720 1403040 1431638 1438116 1449760 1490730 1519960 1547340 1554720 1557959 1577680 1590112 1651890 1676064 1676285 1684280 1762016 1797645 1823952 1893216 1917488 1937949 1962480 1987640 2011542 2021136 2037331 2063120 2095080 2147457 2174640 2202520 2279940 2366520 2385168 2396860 2475744 2526420 2583932 2643024 2682056 2793440 2863276 2876232 2981460 3039920 3094680 3115918 3155360 3229915 3303780 3352570 3368560 3579095 3595290 3647904 3834976 3875898 3924960 3975280 4023084 4042272 4074662 4126240 4190160 4294914 4349280 4405040 4559880 4673877 4733040 4770336 4793720 5028855 5052840 5167864 5286048 5364112 5726552 5752464 5962920 6079840 6111993 6189360 6231836 6459830 6607560 6705140 6737120 7158190 7190580 7751796 7789795 7950560 8046168 8149324 8380320 8589828 8810080 9119760 9347754 9466080 9587440 9689745 10057710 10105680 10186655 10335728 10728224 10737285 11453104 11504928 11925840 12223986 12378720 12463672 12919660 13215120 13410280 14316380 14381160 15503592 15579590 16092336 16298648 17179656 18239520 18695508 19174880 19379490 20115420 20211360 20373310 20671456 21474570 22906208 23369385 23851680 24447972 24927344 25839320 26430240 26485303 26820560 28632760 28762320 30559965 31007184 31159180 32184672 32597296 34359312 37391016 38758980 40230840 40746620 42949140 46738770 48895944 49854688 51678640 52970606 53641120 57265520 57524640 61119930 62014368 62318360 65194592 68718624 74782032 77517960 79455909 80461680 81493240 85898280 93477540 97791888 103357280 105941212 114531040 122239860 124636720 132426515 149564064 155035920 158911818 160923360 162986480 171796560 186955080 195583776 211882424 244479720 249273440 264853030 310071840 317823636 325972960 343593120 373910160 397279545 423764848 488959440 529706060 635647272 747820320 794559090 847529696 977918880 1059412120 1271294544 1589118180 2118824240 2542589088 3178236360 4237648480 6356472720 12712945440
• Sum of all divisors σ(n): 48649144320
• Sum of proper divisors (its aliquot sum) s(n): 35936198880
• 12712945440 is an abundant number, because the sum of its proper divisors (35936198880) is greater than itself. Its abundance is 23223253440

Bases of 12712945440

• Binary: 1011110101110000000010011100100000₂
• Hexadecimal: 0x2F5C02720
• Base-36: 5U8YJHC

Squares and roots of 12712945440

• 12712945440 squared (12712945440²) is 161618981760416793600
• 12712945440 cubed (12712945440³) is 2054653297188533848696541184000
• The square root of 12712945440 is 112751.6981690299
• The cube root of 12712945440 is 2333.8990167699

Scales and comparisons

• 12,712,945,440 seconds is equal to 404 years, 12 weeks, 13 hours, 44 minutes.
• To count from 1 to 12,712,945,440 would take you about eight hundred eight 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 12712945440 cubic inches would be around 194.5 feet tall.

Recreational maths with 12712945440

• 12712945440 backwards is 04454921721
• 12712945440 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 12712945440's digits is 39
• More coming soon!