128689172600128

Names of 128689172600128

• Cardinal: 128689172600128 can be written as One hundred twenty-eight trillion, six hundred eighty-nine billion, one hundred seventy-two million, six hundred thousand, one hundred twenty-eight.

Scientific notation

• Scientific notation: 1.28689172600128 × 10¹⁴

Factors of 128689172600128

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 429

Divisors of 128689172600128

• Number of divisors d(n): 168
• Complete list of divisors:
  1 2 4 7 8 14 16 28 32 56 64 89 112 178 224 331 356 448 623 662 712 1246 1324 1424 2317 2492 2648 2848 4634 4984 5296 5696 7921 9268 9968 10592 15842 18536 19936 21184 29459 31684 37072 39872 55447 58918 63368 74144 109561 110894 117836 126736 148288 206213 219122 221788 235672 253472 412426 438244 443576 471344 506944 766927 824852 876488 887152 942688 1533854 1649704 1752976 1774304 1885376 2621851 3067708 3299408 3505952 3548608 5243702 6135416 6598816 7011904 9750929 10487404 12270832 13197632 18352957 19501858 20974808 24541664 36264691 36705914 39003716 41949616 49083328 68256503 72529382 73411828 78007432 83899232 136513006 145058764 146823656 156014864 167798464 253852837 273026012 290117528 293647312 312029728 507705674 546052024 580235056 587294624 624059456 867832681 1015411348 1092104048 1160470112 1174589248 1735665362 2030822696 2184208096 2320940224 3227557499 3471330724 4061645392 4368416192 6074828767 6455114998 6942661448 8123290784 12149657534 12910229996 13885322896 16246581568 22592902493 24299315068 25820459992 27770645792 45185804986 48598630136 51640919984 55541291584 90371609972 97197260272 103281839968 180743219944 194394520544 206563679936 287252617411 361486439888 388789041088 574505234822 722972879776 1149010469644 1445945759552 2010768321877 2298020939288 4021536643754 4596041878576 8043073287508 9192083757152 16086146575016 18384167514304 32172293150032 64344586300064 128689172600128
• Sum of all divisors σ(n): 296059141102784
• Sum of proper divisors (its aliquot sum) s(n): 167369968502656
• 128689172600128 is an abundant number, because the sum of its proper divisors (167369968502656) is greater than itself. Its abundance is 38680795902528

Bases of 128689172600128

• Binary: 11101010000101011001000011010110101010101000000₂
• Hexadecimal: 0x750AC86B5540
• Base-36: 19M6ZMPKCG

Squares and roots of 128689172600128

• 128689172600128 squared (128689172600128²) is 16560903144505535188185616384
• 128689172600128 cubed (128689172600128³) is 2131208923177275355090288976182051637297152
• The square root of 128689172600128 is 11344125.0257623659
• The cube root of 128689172600128 is 50487.1283863643

Scales and comparisons

• 128,689,172,600,128 seconds is equal to 4,091,917 years, 32 weeks, 4 days, 4 hours, 55 minutes, 28 seconds.
• To count from 1 to 128,689,172,600,128 would take you about ten million, two hundred twenty-nine thousand, seven hundred ninety-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 128689172600128 cubic inches would be around 4207.3 feet tall.

Recreational maths with 128689172600128

• 128689172600128 backwards is 821006271986821
• The number of decimal digits it has is: 15
• The sum of 128689172600128's digits is 61
• More coming soon!