128938995328

Names of 128938995328

• Cardinal: 128938995328 can be written as One hundred twenty-eight billion, nine hundred thirty-eight million, nine hundred ninety-five thousand, three hundred twenty-eight.

Scientific notation

• Scientific notation: 1.28938995328 × 10¹¹

Factors of 128938995328

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 368

Divisors of 128938995328

• Number of divisors d(n): 512
• Complete list of divisors:
  1 2 4 8 11 13 16 17 19 22 26 32 34 38 44 52 64 68 76 88 104 113 128 136 143 152 176 187 193 208 209 221 226 247 272 286 304 323 352 374 386 416 418 442 452 494 544 572 608 646 704 748 772 832 836 884 904 988 1088 1144 1216 1243 1292 1408 1469 1496 1544 1664 1672 1768 1808 1921 1976 2123 2147 2176 2288 2431 2432 2486 2509 2584 2717 2938 2992 3088 3281 3344 3536 3553 3616 3667 3842 3952 4199 4246 4294 4576 4862 4972 5018 5168 5434 5876 5984 6176 6562 6688 7072 7106 7232 7334 7684 7904 8398 8492 8588 9152 9724 9944 10036 10336 10868 11752 11968 12352 13124 13376 14144 14212 14464 14668 15368 15808 16159 16796 16984 17176 18304 19448 19888 20072 20672 21131 21736 21809 23504 23617 23936 24704 24973 26248 26752 27599 27911 28288 28424 29336 30736 31616 32318 33592 33968 34352 36091 36499 38896 39776 40144 40337 41344 42262 42653 43472 43618 46189 47008 47234 47671 49946 52496 55198 55822 56848 58672 61472 62339 64636 67184 67936 68704 72182 72998 77792 79552 80288 80674 84524 85306 86944 87236 92378 94016 94468 95342 99892 104992 110396 111644 113696 117344 122944 124678 129272 134368 135872 137408 144364 145996 155584 159104 160576 161348 169048 170612 173888 174472 184756 188032 188936 190684 199784 209984 220792 223288 227392 234688 239899 245888 249356 258544 268736 271744 274703 274816 283517 288728 291992 307021 311168 321152 322696 338096 341224 347776 348944 369512 370753 377872 381368 399568 401489 414371 419968 441584 446576 454784 469183 469376 474487 479798 498712 517088 524381 537472 549406 567034 577456 583984 614042 645392 676192 682448 685729 697888 739024 741506 755744 762736 799136 802978 810407 828742 883168 893152 938366 948974 959596 997424 1034176 1048762 1098812 1134068 1154912 1167968 1228084 1290784 1352384 1364896 1371458 1395776 1478048 1483012 1511488 1525472 1598272 1605956 1620814 1657484 1766336 1786304 1876732 1897948 1919192 1994848 2068352 2097524 2197624 2268136 2309824 2335936 2456168 2581568 2704768 2729792 2742916 2791552 2956096 2966024 3022976 3050944 3118687 3196544 3211912 3241628 3314968 3532672 3572608 3753464 3795896 3838384 3989696 4078283 4195048 4395248 4536272 4558081 4619648 4671872 4819789 4912336 5163136 5219357 5386823 5459584 5485832 5912192 5932048 6101888 6237374 6423824 6483256 6629936 7044307 7506928 7591792 7676768 7979392 8156566 8390096 8790496 8914477 9072544 9116162 9639578 9824672 10438714 10773646 10971664 11864096 12474748 12847648 12966512 13259872 14088614 15013856 15183584 15353536 16313132 16780192 17580992 17828954 18145088 18232324 19279156 19649344 20877428 21547292 21943328 23728192 24949496 25695296 25933024 26519744 28177228 30027712 30367168 30707072 32626264 33560384 35161984 35657908 36290176 36464648 38558312 39298688 41754856 43094584 43886656 47456384 49898992 51390592 51866048 53017679 53039488 56354456 59255053 60055424 60734336 65252528 67120768 71315816 72929296 77116624 77487377 83509712 86189168 87773312 91575991 99797984 103732096 106035358 112708912 118510106 130505056 142631632 145858592 154233248 154974754 167019424 172378336 183151982 199595968 212070716 225417824 237020212 261010112 285263264 291717184 308466496 309949508 334038848 344756672 366303964 399191936 424141432 450835648 474040424 522020224 570526528 583434368 616932992 619899016 668077696 689513344 732607928 848282864 901671296 948080848 1007335901 1141053056 1239798032 1465215856 1696565728 1896161696 2014671802 2479596064 2930431712 3393131456 3792323392 4029343604 4959192128 5860863424 6786262912 7584646784 8058687208 9918384256 11721726848 16117374416 32234748832 64469497664 128938995328
• Sum of all divisors σ(n): 341081798400
• Sum of proper divisors (its aliquot sum) s(n): 212142803072
• 128938995328 is an abundant number, because the sum of its proper divisors (212142803072) is greater than itself. Its abundance is 83203807744

Bases of 128938995328

• Binary: 1111000000101010111001110111010000000₂
• Hexadecimal: 0x1E055CEE80
• Base-36: 1N8EY5J4

Squares and roots of 128938995328

• 128938995328 squared (128938995328²) is 16625264516194005827584
• 128938995328 cubed (128938995328³) is 2143644903780303097744458149527552
• The square root of 128938995328 is 359080.7643525339
• The cube root of 128938995328 is 5051.9777284895

Scales and comparisons

• 128,938,995,328 seconds is equal to 4,099 years, 44 weeks, 5 days, 11 hours, 35 minutes, 28 seconds.
• To count from 1 to 128,938,995,328 would take you about eight thousand, one hundred ninety-nine 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 128938995328 cubic inches would be around 421 feet tall.

Recreational maths with 128938995328

• 128938995328 backwards is 823599839821
• The number of decimal digits it has is: 12
• The sum of 128938995328's digits is 67
• More coming soon!