129128969129472

Names of 129128969129472

• Cardinal: 129128969129472 can be written as One hundred twenty-nine trillion, one hundred twenty-eight billion, nine hundred sixty-nine million, one hundred twenty-nine thousand, four hundred seventy-two.

Scientific notation

• Scientific notation: 1.29128969129472 × 10¹⁴

Factors of 129128969129472

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 5430134

Divisors of 129128969129472

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 3 4 6 8 9 12 13 16 18 24 26 32 36 39 48 52 64 72 78 96 104 117 128 144 156 192 208 234 256 288 312 384 397 416 468 512 576 624 768 794 832 936 1152 1191 1248 1536 1588 1664 1872 2304 2382 2496 3176 3328 3573 3744 4608 4764 4992 5161 6352 6656 7146 7488 9528 9984 10322 12704 14292 14976 15483 19056 19968 20644 25408 28584 29952 30966 38112 41288 46449 50816 57168 59904 61932 76224 82576 92898 101632 114336 123864 152448 165152 185796 203264 228672 247728 304896 330304 371592 457344 495456 609792 660608 743184 914688 990912 1321216 1486368 1829376 1981824 2642432 2972736 3963648 5429719 5945472 7927296 10859438 11890944 16289157 21718876 23781888 32578314 43437752 48867471 65156628 70586347 86875504 97734942 130313256 141172694 173751008 195469884 211759041 260626512 282345388 347502016 390939768 423518082 521253024 564690776 635277123 695004032 781879536 847036164 1042506048 1129381552 1270554246 1390008064 1563759072 1694072328 2085012096 2155598443 2258763104 2541108492 2780016128 3127518144 3388144656 4170024192 4311196886 4517526208 5082216984 6255036288 6466795329 6776289312 8340048384 8622393772 9035052416 10164433968 12510072576 12933590658 13552578624 17244787544 18070104832 19400385987 20328867936 25020145152 25867181316 27105157248 28022779759 34489575088 36140209664 38800771974 40657735872 51734362632 54210314496 56045559518 68979150176 77601543948 81315471744 84068339277 103468725264 108420628992 112091119036 137958300352 155203087896 162630943488 168136678554 206937450528 224182238072 252205017831 275916600704 310406175792 325261886976 336273357108 413874901056 448364476144 504410035662 551833201408 620812351584 672546714216 827749802112 896728952288 1008820071324 1103666402816 1241624703168 1345093428432 1655499604224 1793457904576 2017640142648 2483249406336 2690186856864 3310999208448 3586915809152 4035280285296 4966498812672 5380373713728 7173831618304 8070560570592 9932997625344 10760747427456 14347663236608 16141121141184 21521494854912 32282242282368 43042989709824 64564484564736 129128969129472
• Sum of all divisors σ(n): 402353263472160
• Sum of proper divisors (its aliquot sum) s(n): 273224294342688
• 129128969129472 is an abundant number, because the sum of its proper divisors (273224294342688) is greater than itself. Its abundance is 144095325213216

Bases of 129128969129472

• Binary: 11101010111000100101110010101011100111000000000₂
• Hexadecimal: 0x75712E55CE00
• Base-36: 19RT127I80

Squares and roots of 129128969129472

• 129128969129472 squared (129128969129472²) is 16674290668440132765498998784
• 129128969129472 cubed (129128969129472³) is 2153133964980848943656285352924860066562048
• The square root of 129128969129472 is 11363492.8226083727
• The cube root of 129128969129472 is 50544.5764143129

Scales and comparisons

• 129,128,969,129,472 seconds is equal to 4,105,901 years, 41 weeks, 2 days, 19 hours, 31 minutes, 12 seconds.
• To count from 1 to 129,128,969,129,472 would take you about ten million, two hundred sixty-four thousand, seven hundred fifty-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 129128969129472 cubic inches would be around 4212 feet tall.

Recreational maths with 129128969129472

• 129128969129472 backwards is 274921969821921
• 129128969129472 is a Harshad number.
• The number of decimal digits it has is: 15
• The sum of 129128969129472's digits is 72
• More coming soon!