128689023792

Names of 128689023792

• Cardinal: 128689023792 can be written as One hundred twenty-eight billion, six hundred eighty-nine million, twenty-three thousand, seven hundred ninety-two.

Scientific notation

• Scientific notation: 1.28689023792 × 10¹¹

Factors of 128689023792

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 107

Divisors of 128689023792

• Number of divisors d(n): 480
• Complete list of divisors:
  1 2 3 4 6 7 8 12 14 16 17 21 24 28 31 34 42 47 48 49 51 56 62 68 84 93 94 98 102 112 119 124 136 141 147 168 186 188 196 204 217 238 248 272 282 294 329 336 357 372 376 392 408 434 476 496 527 564 588 651 658 714 744 752 784 799 816 833 868 952 987 1054 1128 1176 1302 1316 1428 1457 1488 1519 1581 1598 1666 1736 1904 1974 2108 2209 2256 2303 2352 2397 2499 2604 2632 2856 2914 3038 3162 3196 3332 3472 3689 3948 4216 4371 4418 4557 4606 4794 4998 5208 5264 5593 5712 5828 6076 6324 6392 6627 6664 6909 7378 7896 8432 8742 8836 9114 9212 9588 9996 10199 10416 11067 11186 11656 12152 12648 12784 13254 13328 13818 14756 15463 15792 16779 17484 17672 18228 18424 19176 19992 20398 22134 22372 23312 24304 24769 25296 25823 26508 27636 29512 30597 30926 33558 34968 35344 36456 36848 37553 38352 39151 39984 40796 44268 44744 46389 49538 51646 53016 55272 59024 61194 61852 67116 68479 69936 71393 72912 74307 75106 77469 78302 81592 88536 89488 92778 99076 103292 103823 106032 108241 110544 112659 117453 122388 123704 134232 136958 142786 148614 150212 154938 156604 163184 173383 177072 185556 198152 205437 206584 207646 214179 216482 225318 234906 244776 247408 262871 268464 273916 285572 297228 300424 309876 311469 313208 324723 346766 371112 396304 410874 413168 415292 428358 432964 450636 469812 479353 489552 520149 525742 547832 571144 594456 600848 619752 622938 626416 649446 693532 726761 742224 788613 821748 830584 856716 865928 901272 939624 958706 1040298 1051484 1095664 1142288 1164143 1188912 1213681 1239504 1245876 1298892 1387064 1438059 1453522 1577226 1643496 1661168 1713432 1731856 1764991 1802544 1840097 1879248 1917412 2080596 2102968 2180283 2328286 2427362 2491752 2597784 2774128 2876118 2907044 3154452 3218513 3286992 3355471 3426864 3492429 3529982 3641043 3680194 3834824 4161192 4205936 4360566 4656572 4854724 4983504 5087327 5195568 5294973 5520291 5752236 5814088 6308904 6437026 6710942 6984858 7059964 7282086 7360388 7669648 8149001 8322384 8721132 9313144 9655539 9709448 10066413 10174654 10589946 11040582 11504472 11628176 12354937 12617808 12874052 13421884 13969716 14119928 14564172 14720776 15261981 16298002 17442264 18626288 19311078 19418896 20132826 20349308 21179892 22081164 22529591 23008944 24447003 24709874 25748104 26843768 27939432 28239856 29128344 29441552 30523962 32596004 34884528 37064811 38622156 40265652 40698616 42359784 44162328 45059182 48894006 49419748 51496208 53687536 54714721 55878864 57043007 58256688 61047924 65192008 67588773 74129622 77244312 80531304 81397232 84719568 86484559 88324656 90118364 97788012 98839496 109429442 114086014 122095848 130384016 135177546 148259244 154488624 157707137 161062608 164144163 171129021 172969118 180236728 195576024 197678992 218858884 228172028 244191696 259453677 270355092 296518488 315414274 328288326 342258042 345938236 360473456 383003047 391152048 437717768 456344056 473121411 518907354 540710184 593036976 630828548 656576652 684516084 691876472 766006094 875435536 912688112 946242822 1037814708 1081420368 1149009141 1261657096 1313153304 1369032168 1383752944 1532012188 1892485644 2075629416 2298018282 2523314192 2626306608 2681021329 2738064336 3064024376 3784971288 4151258832 4596036564 5362042658 6128048752 7569942576 8043063987 9192073128 10724085316 16086127974 18384146256 21448170632 32172255948 42896341264 64344511896 128689023792
• Sum of all divisors σ(n): 431869501440
• Sum of proper divisors (its aliquot sum) s(n): 303180477648
• 128689023792 is an abundant number, because the sum of its proper divisors (303180477648) is greater than itself. Its abundance is 174491453856

Bases of 128689023792

• Binary: 1110111110110011101101010101100110000₂
• Hexadecimal: 0x1DF676AB30
• Base-36: 1N4A4E9C

Squares and roots of 128689023792

• 128689023792 squared (128689023792²) is 16560864844537942059264
• 128689023792 cubed (128689023792³) is 2131201529994839606911342370009088
• The square root of 128689023792 is 358732.5240231223
• The cube root of 128689023792 is 5048.7108926303

Scales and comparisons

• 128,689,023,792 seconds is equal to 4,091 years, 47 weeks, 3 days, 7 hours, 3 minutes, 12 seconds.
• To count from 1 to 128,689,023,792 would take you about eight thousand, one hundred eighty-three 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 128689023792 cubic inches would be around 420.7 feet tall.

Recreational maths with 128689023792

• 128689023792 backwards is 297320986821
• The number of decimal digits it has is: 12
• The sum of 128689023792's digits is 57
• More coming soon!