128988634880

Names of 128988634880

• Cardinal: 128988634880 can be written as One hundred twenty-eight billion, nine hundred eighty-eight million, six hundred thirty-four thousand, eight hundred eighty.

Scientific notation

• Scientific notation: 1.2898863488 × 10¹¹

Factors of 128988634880

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 80

Divisors of 128988634880

• Number of divisors d(n): 540
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 19 20 28 32 35 38 40 47 49 56 64 70 76 80 94 95 98 112 128 133 140 152 160 188 190 196 224 235 245 256 266 280 304 320 329 343 376 380 392 448 470 490 532 560 608 640 658 665 686 752 760 784 893 896 931 940 980 1064 1120 1216 1280 1316 1330 1372 1504 1520 1568 1645 1715 1786 1792 1862 1880 1960 2128 2209 2240 2303 2401 2432 2632 2660 2744 3008 3040 3136 3290 3430 3572 3724 3760 3920 4256 4418 4465 4480 4606 4655 4802 4864 5264 5320 5488 6016 6080 6251 6272 6517 6580 6860 7144 7448 7520 7840 8512 8836 8930 8960 9212 9310 9604 10528 10640 10976 11045 11515 12005 12032 12160 12502 12544 13034 13160 13720 14288 14896 15040 15463 15680 16121 17024 17672 17860 18424 18620 19208 21056 21280 21952 22090 23030 24010 24320 25004 26068 26320 27440 28576 29792 30080 30926 31255 31360 32242 32585 34048 35344 35720 36848 37240 38416 41971 42112 42560 43757 43904 44180 45619 46060 48020 50008 52136 52640 54880 57152 59584 60160 61852 62510 62720 64484 65170 70688 71440 73696 74480 76832 77315 80605 83942 84224 85120 87514 87808 88360 91238 92120 96040 100016 104272 105280 108241 109760 112847 114304 119168 123704 125020 128968 130340 141376 142880 147392 148960 153664 154630 161210 167884 170240 175028 176720 182476 184240 192080 200032 208544 209855 210560 216482 218785 219520 225694 228095 228608 238336 247408 250040 257936 260680 282752 285760 293797 294784 297920 306299 307328 309260 322420 335768 350056 353440 364952 368480 384160 400064 417088 419710 421120 432964 437570 439040 451388 456190 494816 500080 515872 521360 541205 564235 565504 571520 587594 589568 595840 612598 614656 618520 644840 671536 700112 706880 729904 736960 757687 768320 800128 834176 839420 865928 875140 902776 912380 989632 1000160 1031744 1042720 1082410 1128470 1143040 1175188 1191680 1225196 1237040 1289680 1343072 1400224 1413760 1459808 1468985 1473920 1515374 1531495 1536640 1600256 1668352 1678840 1731856 1750280 1805552 1824760 1979264 2000320 2056579 2063488 2085440 2144093 2164820 2256940 2350376 2450392 2474080 2579360 2686144 2800448 2827520 2919616 2937970 2947840 3030748 3062990 3073280 3357680 3463712 3500560 3611104 3649520 3788435 3958528 4000640 4113158 4126976 4170880 4288186 4329640 4513880 4700752 4900784 4948160 5158720 5303809 5372288 5600896 5839232 5875940 6061496 6125980 6715360 6927424 7001120 7222208 7299040 7576870 8001280 8226316 8341760 8576372 8659280 9027760 9401504 9801568 9896320 10282895 10317440 10607618 10720465 10744576 11201792 11678464 11751880 12122992 12251960 13430720 13854848 14002240 14396053 14444416 14598080 15153740 16452632 17152744 17318560 18055520 18803008 19603136 19792640 20565790 20634880 21215236 21440930 23503760 24245984 24503920 26519045 26861440 27709696 28004480 28792106 28888832 29196160 30307480 32905264 34305488 34637120 36111040 37606016 39206272 41131580 42430472 42881860 47007520 48491968 49007840 53038090 53722880 56008960 57584212 58392320 60614960 65810528 68610976 69274240 71980265 72222080 75212032 78412544 82263160 84860944 85763720 94015040 96983936 98015680 100772371 106076180 115168424 121229920 131621056 137221952 138548480 143960530 144444160 164526320 169721888 171527440 188030080 193967872 196031360 201544742 212152360 230336848 242459840 263242112 274443904 287921060 329052640 339443776 343054880 376060160 392062720 403089484 424304720 460673696 484919680 503861855 526484224 548887808 575842120 658105280 678887552 686109760 806178968 848609440 921347392 969839360 1007723710 1151684240 1316210560 1357775104 1372219520 1612357936 1697218880 1842694784 2015447420 2303368480 2632421120 2744439040 3224715872 3394437760 3685389568 4030894840 4606736960 6449431744 6788875520 8061789680 9213473920 12898863488 16123579360 18426947840 25797726976 32247158720 64494317440 128988634880
• Sum of all divisors σ(n): 387656271240
• Sum of proper divisors (its aliquot sum) s(n): 258667636360
• 128988634880 is an abundant number, because the sum of its proper divisors (258667636360) is greater than itself. Its abundance is 129679001480

Bases of 128988634880

• Binary: 1111000001000010100100101111100000000₂
• Hexadecimal: 0x1E08525F00
• Base-36: 1N98I3NK

Squares and roots of 128988634880

• 128988634880 squared (128988634880²) is 16638067928205952614400
• 128988634880 cubed (128988634880³) is 2146121669099995675221423030272000
• The square root of 128988634880 is 359149.8780175207
• The cube root of 128988634880 is 5052.6259568383

Scales and comparisons

• 128,988,634,880 seconds is equal to 4,101 years, 22 weeks, 6 days, 21 minutes, 20 seconds.
• To count from 1 to 128,988,634,880 would take you about eight thousand, two hundred two 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 128988634880 cubic inches would be around 421.1 feet tall.

Recreational maths with 128988634880

• 128988634880 backwards is 088436889821
• The number of decimal digits it has is: 12
• The sum of 128988634880's digits is 65
• More coming soon!