128864385216

Names of 128864385216

• Cardinal: 128864385216 can be written as One hundred twenty-eight billion, eight hundred sixty-four million, three hundred eighty-five thousand, two hundred sixteen.

Scientific notation

• Scientific notation: 1.28864385216 × 10¹¹

Factors of 128864385216

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 1124

Divisors of 128864385216

• Number of divisors d(n): 588
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 19 21 24 27 28 32 36 38 42 48 54 56 57 63 64 72 76 81 84 96 108 112 114 126 133 144 152 162 168 171 189 192 216 224 228 243 252 266 288 304 324 336 342 361 378 399 432 448 456 486 504 513 532 567 576 608 648 672 684 722 729 756 798 864 912 972 1008 1026 1064 1083 1093 1134 1197 1216 1296 1344 1368 1444 1458 1512 1539 1596 1701 1728 1824 1944 2016 2052 2128 2166 2186 2268 2394 2527 2592 2736 2888 2916 3024 3078 3192 3249 3279 3402 3591 3648 3888 4032 4104 4256 4332 4372 4536 4617 4788 5054 5103 5184 5472 5776 5832 6048 6156 6384 6498 6558 6804 7182 7581 7651 7776 8208 8512 8664 8744 9072 9234 9576 9747 9837 10108 10206 10773 10944 11552 11664 12096 12312 12768 12996 13116 13608 13851 14364 15162 15302 15552 16416 17328 17488 18144 18468 19152 19494 19674 20216 20412 20767 21546 22743 22953 23104 23328 24624 25536 25992 26232 27216 27702 28728 29241 29511 30324 30604 32319 32832 34656 34976 36288 36936 38304 38988 39348 40432 40824 41534 43092 45486 45906 46656 49248 51984 52464 54432 55404 57456 58482 59022 60648 61208 62301 64638 68229 68859 69312 69952 73872 76608 77976 78696 80864 81648 83068 86184 87723 88533 90972 91812 96957 98496 103968 104928 108864 110808 114912 116964 118044 121296 122416 124602 129276 136458 137718 145369 147744 155952 157392 161728 163296 166136 172368 175446 177066 181944 183624 186903 193914 204687 206577 207936 209856 221616 229824 233928 236088 242592 244832 249204 258552 263169 265599 272916 275436 290738 295488 311904 314784 326592 332272 344736 350892 354132 363888 367248 373806 387828 394573 409374 413154 436107 443232 467856 472176 485184 489664 498408 517104 526338 531198 545832 550872 560709 581476 614061 619731 623808 629568 664544 689472 701784 708264 727776 734496 747612 775656 789146 796797 818748 826308 872214 886464 935712 944352 996816 1034208 1052676 1062396 1091664 1101744 1121418 1162952 1183719 1228122 1239462 1308321 1329088 1403568 1416528 1455552 1468992 1495224 1551312 1578292 1593594 1637496 1652616 1682127 1744428 1842183 1859193 1871424 1888704 1993632 2068416 2105352 2124792 2183328 2203488 2242836 2325904 2367438 2456244 2478924 2616642 2762011 2807136 2833056 2990448 3102624 3156584 3187188 3274992 3305232 3364254 3488856 3551157 3684366 3718386 3924963 3987264 4210704 4249584 4366656 4406976 4485672 4651808 4734876 4912488 4957848 5046381 5233284 5524022 5577579 5614272 5666112 5980896 6205248 6313168 6374376 6549984 6610464 6728508 6977712 7102314 7368732 7436772 7849926 8286033 8421408 8499168 8971344 9303616 9469752 9824976 9915696 10092762 10466568 10653471 11048044 11155158 11774889 11961792 12626336 12748752 13099968 13220928 13457016 13955424 14204628 14737464 14873544 15139143 15699852 16572066 16842816 16998336 17942688 18939504 19649952 19831392 20185524 20933136 21306942 22096088 22310316 23549778 24858099 25252672 25497504 26914032 27910848 28409256 29474928 29747088 30278286 31399704 31960413 33144132 35324667 35885376 37879008 39299904 39662784 40371048 41866272 42613884 44192176 44620632 47099556 49716198 50995008 53828064 56818512 58949856 59494176 60556572 62799408 63920826 66288264 70649334 74574297 75758016 80742096 83732544 85227768 88384352 89241264 94199112 95881239 99432396 105974001 107656128 113637024 117899712 118988352 121113144 125598816 127841652 132576528 141298668 149148594 161484192 170455536 176768704 178482528 188398224 191762478 198864792 211948002 223722891 227274048 242226288 251197632 255683304 265153056 282597336 287643717 298297188 322968384 340911072 356965056 376796448 383524956 397729584 423896004 447445782 484452576 511366608 530306112 565194672 575287434 596594376 671168673 681822144 753592896 767049912 795459168 847792008 894891564 968905152 1022733216 1130389344 1150574868 1193188752 1342337346 1534099824 1590918336 1695584016 1789783128 2013506019 2045466432 2260778688 2301149736 2386377504 2684674692 3068199648 3391168032 3579566256 4027012038 4602299472 4772755008 5369349384 6136399296 6782336064 7159132512 8054024076 9204598944 10738698768 14318265024 16108048152 18409197888 21477397536 32216096304 42954795072 64432192608 128864385216
• Sum of all divisors σ(n): 462866945232
• Sum of proper divisors (its aliquot sum) s(n): 334002560016
• 128864385216 is an abundant number, because the sum of its proper divisors (334002560016) is greater than itself. Its abundance is 205138174800

Bases of 128864385216

• Binary: 1111000000000111010100111100011000000₂
• Hexadecimal: 0x1E00EA78C0
• Base-36: 1N76J000

Squares and roots of 128864385216

• 128864385216 squared (128864385216²) is 16606029777097639366656
• 128864385216 cubed (128864385216³) is 2139925818104276813789005049757696
• The square root of 128864385216 is 358976.8588864747
• The cube root of 128864385216 is 5051.0031038891

Scales and comparisons

• 128,864,385,216 seconds is equal to 4,097 years, 25 weeks, 2 days, 22 hours, 33 minutes, 36 seconds.
• To count from 1 to 128,864,385,216 would take you about eight thousand, one hundred ninety-four 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 128864385216 cubic inches would be around 420.9 feet tall.

Recreational maths with 128864385216

• 128864385216 backwards is 612583468821
• 128864385216 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 128864385216's digits is 54
• More coming soon!