1387885986720

Names of 1387885986720

• Cardinal: 1387885986720 can be written as One trillion, three hundred eighty-seven billion, eight hundred eighty-five million, nine hundred eighty-six thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 1.38788598672 × 10¹²

Factors of 1387885986720

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 157095

Divisors of 1387885986720

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 17 18 19 20 24 30 32 34 36 38 40 45 48 51 57 60 68 72 76 80 85 90 95 96 102 114 120 136 144 152 153 160 170 171 180 190 204 228 240 255 272 285 288 304 306 323 340 342 360 361 380 408 456 480 510 544 570 608 612 646 680 684 720 722 760 765 816 855 912 969 1020 1083 1140 1224 1292 1360 1368 1440 1444 1520 1530 1615 1632 1710 1805 1824 1938 2040 2166 2280 2448 2584 2720 2736 2888 2907 3040 3060 3230 3249 3420 3610 3876 4080 4332 4560 4845 4896 5168 5415 5472 5776 5814 6120 6137 6460 6498 6840 7220 7752 8160 8664 9120 9690 10336 10830 11552 11628 12240 12274 12920 12996 13680 14440 14535 15504 16245 17328 18411 19380 21660 23256 24480 24548 25840 25992 27360 28880 29070 30685 31008 32490 34656 36822 38760 43320 46512 49096 51680 51984 55233 57760 58140 61370 64980 73644 77520 86640 92055 93024 98192 103968 110466 116280 122740 129960 147288 155040 157049 173280 184110 196384 220932 232560 245480 259920 276165 294576 314098 368220 441864 465120 471147 490960 519840 552330 589152 628196 736440 785245 883728 942294 981920 1104660 1256392 1413441 1472880 1570490 1767456 1884588 2209320 2355735 2512784 2669833 2826882 2945760 2983931 3140980 3769176 4418640 4711470 5025568 5339666 5653764 5967862 6281960 7067205 7538352 8009499 8837280 8951793 9422940 10679332 11307528 11935724 12563920 13349165 14134410 14919655 15076704 16018998 17903586 18845880 21358664 22615056 23871448 24028497 25127840 26698330 26855379 28268820 29839310 32037996 35807172 37691760 40047495 42717328 44758965 45230112 47742896 48056994 50726827 53396660 53710758 56537640 56694689 59678620 64075992 71614344 75383520 80094990 85434656 89517930 95485792 96113988 101453654 106793320 107421516 113075280 113389378 119357240 120142485 128151984 134276895 143228688 152180481 160189980 170084067 179035860 192227976 202907308 213586640 214843032 226150560 226778756 238714480 240284970 253634135 256303968 268553790 283473445 286457376 304360962 320379960 340168134 358071720 384455952 405814616 427173280 429686064 453557512 456541443 477428960 480569940 507268270 510252201 537107580 566946890 608721924 640759920 680336268 716143440 760902405 768911904 811629232 850420335 859372128 907115024 913082886 961139880 963809713 1014536540 1020504402 1074215160 1133893780 1217443848 1281519840 1360672536 1432286880 1521804810 1623258464 1700840670 1814230048 1826165772 1922279760 1927619426 2029073080 2041008804 2148430320 2267787560 2282707215 2434887696 2551261005 2721345072 2891429139 3043609620 3401681340 3652331544 3844559520 3855238852 4058146160 4082017608 4296860640 4535575120 4565414430 4819048565 4869775392 5102522010 5442690144 5782858278 6087219240 6803362680 7304663088 7710477704 8116292320 8164035216 8674287417 9071150240 9130828860 9638097130 10205044020 11565716556 12174438480 13606725360 14457145695 14609326176 15420955408 16328070432 17348574834 18261657720 19276194260 20410088040 23131433112 24348876960 27213450720 28914291390 30841910816 34697149668 36523315440 38552388520 40820176080 43371437085 46262866224 57828582780 69394299336 73046630880 77104777040 81640352160 86742874170 92525732448 115657165560 138788598672 154209554080 173485748340 231314331120 277577197344 346971496680 462628662240 693942993360 1387885986720
• Sum of all divisors σ(n): 5292618294600
• Sum of proper divisors (its aliquot sum) s(n): 3904732307880
• 1387885986720 is an abundant number, because the sum of its proper divisors (3904732307880) is greater than itself. Its abundance is 2516846321160

Bases of 1387885986720

• Binary: 10100001100100100011100111000001110100000₂
• Hexadecimal: 0x143247383A0
• Base-36: HPL3HD40

Squares and roots of 1387885986720

• 1387885986720 squared (1387885986720²) is 1926227512133748016358400
• 1387885986720 cubed (1387885986720³) is 2673384171324957638295420685160448000
• The square root of 1387885986720 is 1178085.7297837029
• The cube root of 1387885986720 is 11154.5296850219

Scales and comparisons

• 1,387,885,986,720 seconds is equal to 44,130 years, 25 weeks, 5 hours, 12 minutes.
• To count from 1 to 1,387,885,986,720 would take you about one hundred ten thousand, three hundred twenty-six 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 1387885986720 cubic inches would be around 929.5 feet tall.

Recreational maths with 1387885986720

• 1387885986720 backwards is 0276895887831
• 1387885986720 is a Harshad number.
• The number of decimal digits it has is: 13
• The sum of 1387885986720's digits is 72
• More coming soon!