128231020512

Names of 128231020512

• Cardinal: 128231020512 can be written as One hundred twenty-eight billion, two hundred thirty-one million, twenty thousand, five hundred twelve.

Scientific notation

• Scientific notation: 1.28231020512 × 10¹¹

Factors of 128231020512

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 5753

Divisors of 128231020512

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 21 24 27 28 29 32 36 42 48 54 56 58 63 72 84 87 96 108 112 116 126 131 144 168 174 189 203 216 224 232 252 261 262 288 336 348 378 393 406 432 464 504 522 524 609 672 696 756 783 786 812 864 917 928 1008 1044 1048 1179 1218 1392 1512 1566 1572 1624 1827 1834 2016 2088 2096 2358 2436 2751 2784 3024 3132 3144 3248 3537 3654 3668 3799 4176 4192 4716 4872 5481 5502 5581 6048 6264 6288 6496 7074 7308 7336 7598 8253 8352 9432 9744 10962 11004 11162 11397 12528 12576 14148 14616 14672 15196 16506 16743 18864 19488 21924 22008 22324 22794 24759 25056 26593 28296 29232 29344 30392 33012 33486 34191 37728 39067 43848 44016 44648 45588 49518 50229 53186 56592 58464 60784 66024 66972 68382 78134 79779 87696 88032 89296 91176 99036 100458 102573 106372 113184 117201 121568 132048 133944 136764 150687 156268 159558 161849 175392 178592 182352 198072 200916 205146 212744 234402 239337 264096 267888 273528 301374 312536 319116 323698 351603 364704 396144 401832 410292 425488 468804 478674 485547 535776 547056 602748 625072 638232 647396 703206 718011 731111 792288 803664 820584 850976 937608 957348 971094 1054809 1094112 1132943 1205496 1250144 1276464 1294792 1406412 1436022 1456641 1462222 1607328 1641168 1875216 1914696 1942188 2109618 2193333 2265886 2410992 2552928 2589584 2812824 2872044 2913282 2924444 3282336 3398829 3750432 3829392 3884376 4219236 4369923 4386666 4531772 4821984 5117777 5179168 5625648 5744088 5826564 5848888 6579999 6797658 7658784 7768752 8438472 8739846 8773332 9063544 10196487 10235554 11251296 11488176 11653128 11697776 13159998 13595316 15353331 15537504 16876944 17479692 17546664 18127088 19739997 20392974 20471108 21202219 22976352 23306256 23395552 26319996 27190632 30589461 30706662 33753888 34959384 35093328 36254176 39479994 40785948 40942216 42404438 46059993 46612512 52639992 54381264 61178922 61413324 63606657 69918768 70186656 78959988 81571896 81884432 84808876 92119986 105279984 108762528 122357844 122826648 127213314 138179979 139837536 148415533 157919976 163143792 163768864 169617752 184239972 190819971 210559968 244715688 245653296 254426628 276359958 296831066 315839952 326287584 339235504 368479944 381639942 445246599 489431376 491306592 508853256 552719916 572459913 593662132 631679904 678471008 736959888 763279884 890493198 978862752 1017706512 1105439832 1144919826 1187324264 1335739797 1473919776 1526559768 1780986396 2035413024 2210879664 2289839652 2374648528 2671479594 3053119536 3561972792 4007219391 4421759328 4579679304 4749297056 5342959188 6106239072 7123945584 8014438782 9159358608 10685918376 14247891168 16028877564 18318717216 21371836752 32057755128 42743673504 64115510256 128231020512
• Sum of all divisors σ(n): 445631155200
• Sum of proper divisors (its aliquot sum) s(n): 317400134688
• 128231020512 is an abundant number, because the sum of its proper divisors (317400134688) is greater than itself. Its abundance is 189169114176

Bases of 128231020512

• Binary: 1110111011011001010100001011111100000₂
• Hexadecimal: 0x1DDB2A17E0
• Base-36: 1MWPFSO0

Squares and roots of 128231020512

• 128231020512 squared (128231020512²) is 16443194621548964742144
• 128231020512 cubed (128231020512³) is 2108527626798653375062232054857728
• The square root of 128231020512 is 358093.5918331965
• The cube root of 128231020512 is 5042.7143315637

Scales and comparisons

• 128,231,020,512 seconds is equal to 4,077 years, 18 weeks, 1 day, 7 hours, 55 minutes, 12 seconds.
• To count from 1 to 128,231,020,512 would take you about eight thousand, one hundred fifty-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 128231020512 cubic inches would be around 420.2 feet tall.

Recreational maths with 128231020512

• 128231020512 backwards is 215020132821
• 128231020512 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 128231020512's digits is 27
• More coming soon!