128356437456

Names of 128356437456

• Cardinal: 128356437456 can be written as One hundred twenty-eight billion, three hundred fifty-six million, four hundred thirty-seven thousand, four hundred fifty-six.

Scientific notation

• Scientific notation: 1.28356437456 × 10¹¹

Factors of 128356437456

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 2775

Divisors of 128356437456

• Number of divisors d(n): 480
• Complete list of divisors:
  1 2 3 4 6 8 9 12 13 16 18 23 24 26 27 36 39 41 46 48 52 54 69 72 78 81 82 92 104 108 117 123 138 144 156 162 164 184 207 208 216 234 243 246 276 299 312 324 328 351 368 369 414 432 468 486 492 533 552 598 621 624 648 656 702 738 828 897 936 943 972 984 1053 1066 1104 1107 1196 1242 1296 1404 1476 1599 1656 1794 1863 1872 1886 1944 1968 2106 2132 2214 2392 2484 2691 2693 2808 2829 2952 3159 3198 3312 3321 3588 3726 3772 3888 4212 4264 4428 4784 4797 4968 5382 5386 5589 5616 5658 5904 6318 6396 6642 7176 7452 7544 8073 8079 8424 8487 8528 8856 9594 9936 9963 10764 10772 11178 11316 12259 12636 12792 13284 14352 14391 14904 15088 16146 16158 16848 16974 17712 19188 19926 21528 21544 22356 22632 24219 24237 24518 25272 25461 25584 26568 28782 29808 32292 32316 33948 35009 36777 38376 39852 43056 43088 43173 44712 45264 48438 48474 49036 50544 50922 53136 57564 61939 64584 64632 67896 70018 72657 72711 73554 76383 76752 79704 86346 89424 96876 96948 98072 101844 105027 110331 110413 115128 123878 129168 129264 129519 135792 140036 145314 145422 147108 152766 159408 172692 185817 193752 193896 196144 203688 210054 218133 220662 220826 229149 230256 247756 259038 280072 290628 290844 294216 305532 315081 330993 331239 345384 371634 387504 387792 407376 420108 436266 441324 441652 458298 495512 518076 557451 560144 581256 581688 588432 611064 630162 654399 661986 662478 690768 743268 805207 840216 872532 882648 883304 916596 945243 991024 992979 993717 1036152 1114902 1162512 1163376 1222128 1260324 1308798 1323972 1324956 1435369 1486536 1610414 1672353 1680432 1745064 1765296 1766608 1833192 1890486 1985958 1987434 2072304 2229804 2415621 2520648 2539499 2617596 2647944 2649912 2835729 2870738 2973072 2978937 2981151 3220828 3344706 3490128 3666384 3780972 3971916 3974868 4306107 4459608 4831242 5017059 5041296 5078998 5235192 5295888 5299824 5671458 5741476 5957874 5962302 6441656 6689412 7246863 7561944 7618497 7943832 7949736 8507187 8612214 8919216 8943453 9662484 10034118 10157996 10470384 11342916 11482952 11915748 11924604 12883312 12918321 13378824 14493726 15051177 15123888 15236994 15887664 15899472 17014374 17224428 17886906 19324968 20068236 20315992 21740589 22685832 22855491 22965904 23831496 23849208 25836642 26757648 26830359 28987452 30102354 30473988 33013487 34028748 34448856 35773812 38649936 38754963 40136472 40631984 43481178 45371664 45710982 47662992 47698416 51673284 53660718 57974904 60204708 60947976 65221767 66026974 68057496 68566473 68897712 71547624 77509926 80272944 86962356 91421964 99040461 103346568 107321436 115949808 116264889 120409416 121895952 130443534 132053948 136114992 137132946 143095248 155019852 173924712 182843928 195665301 198080922 205699419 206693136 214642872 232529778 240818832 260887068 264107896 274265892 297121383 310039704 347849424 348794667 365687856 391330602 396161844 411398838 429285744 465059556 521774136 528215792 548531784 594242766 617098257 620079408 697589334 782661204 792323688 822797676 891364149 930119112 1043548272 1097063568 1188485532 1234196514 1395178668 1565322408 1584647376 1645595352 1782728298 1860238224 2376971064 2468393028 2674092447 2790357336 3130644816 3291190704 3565456596 4753942128 4936786056 5348184894 5580714672 7130913192 8022277341 9873572112 10696369788 14261826384 16044554682 21392739576 32089109364 42785479152 64178218728 128356437456
• Sum of all divisors σ(n): 428992042752
• Sum of proper divisors (its aliquot sum) s(n): 300635605296
• 128356437456 is an abundant number, because the sum of its proper divisors (300635605296) is greater than itself. Its abundance is 172279167840

Bases of 128356437456

• Binary: 1110111100010101000111100110111010000₂
• Hexadecimal: 0x1DE2A3CDD0
• Base-36: 1MYS3X00

Squares and roots of 128356437456

• 128356437456 squared (128356437456²) is 16475375036396039751936
• 128356437456 cubed (128356437456³) is 2114720445423312000065462938914816
• The square root of 128356437456 is 358268.6665841711
• The cube root of 128356437456 is 5044.3578125843

Scales and comparisons

• 128,356,437,456 seconds is equal to 4,081 years, 17 weeks, 3 days, 21 hours, 57 minutes, 36 seconds.
• To count from 1 to 128,356,437,456 would take you about eight thousand, one hundred sixty-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 128356437456 cubic inches would be around 420.4 feet tall.

Recreational maths with 128356437456

• 128356437456 backwards is 654734653821
• 128356437456 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 128356437456's digits is 54
• More coming soon!