128738351119728

Names of 128738351119728

• Cardinal: 128738351119728 can be written as One hundred twenty-eight trillion, seven hundred thirty-eight billion, three hundred fifty-one million, one hundred nineteen thousand, seven hundred twenty-eight.

Scientific notation

• Scientific notation: 1.28738351119728 × 10¹⁴

Factors of 128738351119728

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 797850

Divisors of 128738351119728

• Number of divisors d(n): 320
• Complete list of divisors:
  1 2 3 4 6 7 8 12 14 16 19 21 24 28 38 41 42 48 56 57 76 82 84 112 114 123 133 152 164 168 228 246 266 287 304 328 336 399 456 492 532 574 617 656 779 798 861 912 984 1064 1148 1234 1558 1596 1722 1851 1968 2128 2296 2337 2468 3116 3192 3444 3702 4319 4592 4674 4936 5453 6232 6384 6888 7404 8638 9348 9872 10906 11723 12464 12957 13776 14808 16359 17276 18696 21812 23446 25297 25914 29616 32718 34552 35169 37392 43624 46892 50594 51828 65436 69104 70338 75891 82061 87248 93784 101188 103656 130872 140676 151782 164122 177079 187568 202376 207312 246183 261744 281352 303564 328244 354158 404752 480643 492366 531237 562704 607128 656488 708316 797161 961286 984732 1062474 1214256 1312976 1416632 1441929 1594322 1922572 1969464 2124948 2391483 2833264 2883858 3188644 3364501 3845144 3938928 4249896 4782966 5580127 5767716 6377288 6729002 7690288 8499792 9565932 10093503 11160254 11535432 12754576 13458004 15146059 16740381 19131864 20187006 22320508 23070864 26916008 30292118 32683601 33480762 38263728 40374012 44641016 45438177 53832016 60584236 65367202 66961524 80748024 89282032 90876354 98050803 106022413 121168472 130734404 133923048 161496048 181752708 196101606 212044826 228785207 242336944 261468808 267846096 318067239 363505416 392203212 424089652 457570414 491848337 522937616 620988419 636134478 686355621 727010832 784406424 848179304 915140828 983696674 1241976838 1272268956 1372711242 1475545011 1568812848 1696358608 1830281656 1862965257 1967393348 2483953676 2544537912 2745422484 2951090022 3442938359 3660563312 3725930514 3934786696 4346918933 4967907352 5089075824 5490844968 5902180044 6885876718 7451861028 7869573392 8693837866 9345118403 9935814704 10328815077 10981689936 11804360088 13040756799 13771753436 14903722056 17387675732 18690236806 20165781817 20657630154 23608720176 26081513598 27543506872 28035355209 29807444112 34775351464 37380473612 40331563634 41315260308 52163027196 55087013744 56070710418 60497345451 65415828821 69550702928 74760947224 80663127268 82630520616 104326054392 112141420836 120994690902 130831657642 141160472719 149521894448 161326254536 165261041232 196247486463 208652108784 224282841672 241989381804 261663315284 282320945438 322652509072 383149854523 392494972926 423481418157 448565683344 483978763608 523326630568 564641890876 766299709046 784989945852 846962836314 967957527216 1046653261136 1129283781752 1149449563569 1532599418092 1569979891704 1693925672628 2258567563504 2298899127138 2682048981661 3065198836184 3139959783408 3387851345256 4597798254276 5364097963322 6130397672368 6775702690512 8046146944983 9195596508552 10728195926644 16092293889966 18391193017104 21456391853288 32184587779932 42912783706576 64369175559864 128738351119728
• Sum of all divisors σ(n): 410512155540480
• Sum of proper divisors (its aliquot sum) s(n): 281773804420752
• 128738351119728 is an abundant number, because the sum of its proper divisors (281773804420752) is greater than itself. Its abundance is 153035453301024

Bases of 128738351119728

• Binary: 11101010001011000111011101011111111110101110000₂
• Hexadecimal: 0x75163BAFFD70
• Base-36: 19MTKYBWXC

Squares and roots of 128738351119728

• 128738351119728 squared (128738351119728²) is 16573563049026371591390793984
• 128738351119728 cubed (128738351119728³) is 2133653179110506790922726031974917366116352
• The square root of 128738351119728 is 11346292.3953037629
• The cube root of 128738351119728 is 50493.5587797749

Scales and comparisons

• 128,738,351,119,728 seconds is equal to 4,093,481 years, 18 weeks, 2 days, 48 minutes, 48 seconds.
• To count from 1 to 128,738,351,119,728 would take you about ten million, two hundred thirty-three thousand, seven hundred 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 128738351119728 cubic inches would be around 4207.8 feet tall.

Recreational maths with 128738351119728

• 128738351119728 backwards is 827911153837821
• The number of decimal digits it has is: 15
• The sum of 128738351119728's digits is 66
• More coming soon!