129972045312

Names of 129972045312

• Cardinal: 129972045312 can be written as One hundred twenty-nine billion, nine hundred seventy-two million, forty-five thousand, three hundred twelve.

Scientific notation

• Scientific notation: 1.29972045312 × 10¹¹

Factors of 129972045312

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 21
• Sum of prime factors: 1438

Divisors of 129972045312

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 64 72 81 96 108 128 144 162 192 216 243 256 288 324 384 432 486 512 576 648 729 768 864 972 1152 1296 1433 1458 1536 1728 1944 2187 2304 2592 2866 2916 3456 3888 4299 4374 4608 5184 5732 5832 6561 6912 7776 8598 8748 10368 11464 11664 12897 13122 13824 15552 17196 17496 19683 20736 22928 23328 25794 26244 31104 34392 34992 38691 39366 41472 45856 46656 51588 52488 59049 62208 68784 69984 77382 78732 91712 93312 103176 104976 116073 118098 124416 137568 139968 154764 157464 177147 183424 186624 206352 209952 232146 236196 275136 279936 309528 314928 348219 354294 366848 373248 412704 419904 464292 472392 550272 559872 619056 629856 696438 708588 733696 825408 839808 928584 944784 1044657 1100544 1119744 1238112 1259712 1392876 1417176 1650816 1679616 1857168 1889568 2089314 2201088 2476224 2519424 2785752 2834352 3133971 3301632 3359232 3714336 3779136 4178628 4952448 5038848 5571504 5668704 6267942 6603264 7428672 7558272 8357256 9401913 9904896 10077696 11143008 11337408 12535884 14857344 15116544 16714512 18803826 19809792 22286016 22674816 25071768 28205739 29714688 30233088 33429024 37607652 44572032 45349632 50143536 56411478 59429376 66858048 75215304 84617217 89144064 90699264 100287072 112822956 133716096 150430608 169234434 178288128 200574144 225645912 253851651 267432192 300861216 338468868 401148288 451291824 507703302 534864384 601722432 676937736 802296576 902583648 1015406604 1203444864 1353875472 1604593152 1805167296 2030813208 2406889728 2707750944 3610334592 4061626416 4813779456 5415501888 7220669184 8123252832 10831003776 14441338368 16246505664 21662007552 32493011328 43324015104 64986022656 129972045312
• Sum of all divisors σ(n): 389806457040
• Sum of proper divisors (its aliquot sum) s(n): 259834411728
• 129972045312 is an abundant number, because the sum of its proper divisors (259834411728) is greater than itself. Its abundance is 129862366416

Bases of 129972045312

• Binary: 1111001000010111100000000011000000000₂
• Hexadecimal: 0x1E42F00600
• Base-36: 1NPI0000

Squares and roots of 129972045312

• 129972045312 squared (129972045312²) is 16892732562584581177344
• 129972045312 cubed (129972045312³) is 2195583002067741060614296675811328
• The square root of 129972045312 is 360516.3592848457
• The cube root of 129972045312 is 5065.4338833907

Scales and comparisons

• 129,972,045,312 seconds is equal to 4,132 years, 36 weeks, 6 days, 1 hour, 55 minutes, 12 seconds.
• To count from 1 to 129,972,045,312 would take you about eight thousand, two hundred sixty-five 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 129972045312 cubic inches would be around 422.1 feet tall.

Recreational maths with 129972045312

• 129972045312 backwards is 213540279921
• The number of decimal digits it has is: 12
• The sum of 129972045312's digits is 45
• More coming soon!