128399764032

Names of 128399764032

• Cardinal: 128399764032 can be written as One hundred twenty-eight billion, three hundred ninety-nine million, seven hundred sixty-four thousand and thirty-two.

Scientific notation

• Scientific notation: 1.28399764032 × 10¹¹

Factors of 128399764032

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 1189

Divisors of 128399764032

• Number of divisors d(n): 560
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 17 18 24 27 31 32 34 36 43 48 51 54 62 64 68 72 81 86 93 96 102 108 124 129 136 144 153 162 172 186 192 204 216 248 258 272 279 288 306 324 344 372 387 408 432 459 496 516 527 544 558 576 612 648 688 731 744 774 816 837 864 918 992 1032 1054 1088 1093 1116 1161 1224 1296 1333 1376 1377 1462 1488 1548 1581 1632 1674 1728 1836 1984 2064 2108 2186 2193 2232 2322 2448 2511 2592 2666 2752 2754 2924 2976 3096 3162 3264 3279 3348 3483 3672 3999 4128 4216 4372 4386 4464 4644 4743 4896 5022 5184 5332 5508 5848 5952 6192 6324 6558 6579 6696 6966 7344 7998 8256 8432 8744 8772 8928 9288 9486 9792 9837 10044 10664 11016 11696 11997 12384 12648 13116 13158 13392 13932 14229 14688 15996 16864 17488 17544 17856 18576 18581 18972 19674 19737 20088 21328 22032 22661 23392 23994 24768 25296 26232 26316 26784 27864 28458 29376 29511 31992 33728 33883 34976 35088 35991 37152 37162 37944 39348 39474 40176 42656 42687 44064 45322 46784 46999 47988 50592 52464 52632 53568 55728 55743 56916 59022 59211 63984 67766 67983 69952 70176 71982 74304 74324 75888 78696 78948 80352 85312 85374 88128 88533 90644 93998 95976 101184 101649 104928 105264 107973 111456 111486 113832 118044 118422 127968 135532 135966 140352 140997 143964 148648 151776 157392 157896 160704 167229 170748 177066 181288 187996 191952 203298 203949 209856 210528 215946 222912 222972 227664 236088 236844 255936 271064 271932 281994 287928 297296 303552 304947 314784 315792 334458 341496 354132 362576 375992 383904 406596 407898 421056 422991 431892 445944 455328 472176 473688 501687 542128 543864 563988 575856 576011 594592 609894 611847 629568 631584 668916 682992 708264 725152 751984 767808 798983 813192 815796 845982 863784 891888 910656 914841 944352 947376 1003374 1084256 1087728 1127976 1151712 1152022 1189184 1219788 1223694 1263168 1268973 1337832 1365984 1416528 1450304 1456969 1503968 1505061 1597966 1626384 1631592 1691964 1727568 1728033 1783776 1829682 1835541 1888704 1894752 2006748 2168512 2175456 2255952 2303424 2304044 2396949 2439576 2447388 2537946 2675664 2731968 2744523 2833056 2913938 3007936 3010122 3195932 3252768 3263184 3383928 3455136 3456066 3567552 3659364 3671082 3789504 3806919 4013496 4350912 4370907 4511904 4608088 4793898 4879152 4894776 5075892 5184099 5351328 5489046 5666112 5827876 6020244 6391864 6505536 6526368 6767856 6910272 6912132 7190847 7318728 7342164 7613838 8026992 8741814 9023808 9216176 9587796 9758304 9789552 10151784 10368198 10702656 10978092 11655752 12040488 12783728 13052736 13112721 13535712 13824264 14381694 14637456 14684328 15227676 15552297 16053984 17483628 18432352 19175592 19516608 19579104 20303568 20736396 21572541 21956184 23311504 24080976 24768473 25567456 26225442 27071424 27648528 28763388 29274912 29368656 30455352 31104594 32107968 34967256 36864704 38351184 39158208 39338163 40607136 41472792 43145082 43912368 46623008 46656891 48161952 49536946 51134912 52450884 55297056 57526776 58549824 58737312 60910704 62209188 64717623 69934512 74305419 76702368 78676326 81214272 82945584 86290164 87824736 93246016 93313782 96323904 99073892 104901768 110594112 115053552 117474624 118014489 121821408 124418376 129435246 139869024 148610838 153404736 157352652 165891168 172580328 175649472 186627564 198147784 209803536 222916257 230107104 236028978 243642816 248836752 258870492 279738048 297221676 314705304 331782336 345160656 373255128 396295568 419607072 445832514 460214208 472057956 497673504 517740984 594443352 629410608 668748771 690321312 746510256 792591136 839214144 891665028 944115912 995347008 1035481968 1188886704 1258821216 1337497542 1380642624 1493020512 1585182272 1783330056 1888231824 2006246313 2070963936 2377773408 2517642432 2674995084 2986041024 3566660112 3776463648 4012492626 4141927872 4755546816 5349990168 7133320224 7552927296 8024985252 10699980336 14266640448 16049970504 21399960672 32099941008 42799921344 64199882016 128399764032
• Sum of all divisors σ(n): 426070605312
• Sum of proper divisors (its aliquot sum) s(n): 297670841280
• 128399764032 is an abundant number, because the sum of its proper divisors (297670841280) is greater than itself. Its abundance is 169271077248

Bases of 128399764032

• Binary: 1110111100101001110001110101001000000₂
• Hexadecimal: 0x1DE538EA40
• Base-36: 1MZHWK00

Squares and roots of 128399764032

• 128399764032 squared (128399764032²) is 16486499403473280897024
• 128399764032 cubed (128399764032³) is 2116862633119678028394734891040768
• The square root of 128399764032 is 358329.1280819911
• The cube root of 128399764032 is 5044.9253212347

Scales and comparisons

• 128,399,764,032 seconds is equal to 4,082 years, 37 weeks, 1 day, 9 hours, 7 minutes, 12 seconds.
• To count from 1 to 128,399,764,032 would take you about eight thousand, one hundred sixty-five 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 128399764032 cubic inches would be around 420.4 feet tall.

Recreational maths with 128399764032

• 128399764032 backwards is 230467993821
• 128399764032 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 128399764032's digits is 54
• More coming soon!