72129220848

Names of 72129220848

• Cardinal: 72129220848 can be written as Seventy-two billion, one hundred twenty-nine million, two hundred twenty thousand, eight hundred forty-eight.

Scientific notation

• Scientific notation: 7.2129220848 × 10¹⁰

Factors of 72129220848

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 1559

Divisors of 72129220848

• Number of divisors d(n): 400
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 17 18 24 27 29 34 36 48 51 54 58 68 72 79 81 87 102 108 116 136 144 153 158 162 174 204 216 232 237 261 272 306 316 324 348 408 432 459 464 474 493 522 612 632 648 696 711 783 816 918 948 986 1044 1224 1264 1296 1343 1377 1392 1422 1429 1479 1566 1836 1896 1972 2088 2133 2291 2349 2448 2686 2754 2844 2858 2958 3132 3672 3792 3944 4029 4176 4266 4287 4437 4582 4698 5372 5508 5688 5716 5916 6264 6399 6873 7344 7888 8058 8532 8574 8874 9164 9396 10744 11016 11376 11432 11832 12087 12528 12798 12861 13311 13746 16116 17064 17148 17748 18328 18792 20619 21488 22032 22864 23664 24174 24293 25596 25722 26622 27492 32232 34128 34296 35496 36261 36656 37584 38583 38947 39933 41238 41441 48348 48586 51192 51444 53244 54984 61857 64464 68592 70992 72522 72879 77166 77894 79866 82476 82882 96696 97172 102384 102888 106488 108783 109968 112891 115749 116841 123714 124323 145044 145758 154332 155788 159732 164952 165764 185571 193392 194344 205776 212976 217566 218637 225782 231498 233682 247428 248646 290088 291516 308664 311576 319464 329904 331528 338673 350523 371142 372969 388688 435132 437274 451564 462996 467364 494856 497292 580176 583032 617328 623152 638928 655911 663056 677346 701046 704497 742284 745938 870264 874548 903128 925992 934728 989712 994584 1016019 1051569 1118907 1166064 1311822 1354692 1402092 1408994 1484568 1491876 1740528 1749096 1806256 1851984 1869456 1919147 1967733 1989168 2032038 2103138 2113491 2237814 2623644 2709384 2804184 2817988 2969136 2983752 3048057 3154707 3273839 3356721 3498192 3838294 3935466 4064076 4206276 4226982 4475628 5247288 5418768 5608368 5635976 5757441 5967504 6096114 6309414 6340473 6547678 6713442 7676588 7870932 8128152 8412552 8453964 8951256 9144171 9821517 10494576 11271952 11514882 12192228 12618828 12680946 13095356 13426884 15353176 15741864 16256304 16825104 16907928 17272323 17902512 18288342 19021419 19643034 23029764 24384456 25237656 25361892 26190712 26853768 29464551 30706352 31483728 33815856 34544646 36576684 38042838 39286068 46059528 48768912 50475312 50723784 51816969 52381424 53707536 55655263 57064257 58929102 69089292 73153368 76085676 78572136 88393653 92119056 101447568 103633938 111310526 114128514 117858204 138178584 146306736 152171352 155450907 157144272 166965789 176787306 207267876 222621052 228257028 235716408 265180959 276357168 304342704 310901814 333931578 353574612 414535752 445242104 456514056 471432816 500897367 530361918 621803628 667863156 707149224 829071504 890484208 913028112 1001794734 1060723836 1243607256 1335726312 1414298448 1502692101 2003589468 2121447672 2487214512 2671452624 3005384202 4007178936 4242895344 4508076303 6010768404 8014357872 9016152606 12021536808 18032305212 24043073616 36064610424 72129220848
• Sum of all divisors σ(n): 231721776000
• Sum of proper divisors (its aliquot sum) s(n): 159592555152
• 72129220848 is an abundant number, because the sum of its proper divisors (159592555152) is greater than itself. Its abundance is 87463334304

Bases of 72129220848

• Binary: 1000011001011001111001001000011110000₂
• Hexadecimal: 0x10CB3C90F0
• Base-36: X4VVJ00

Squares and roots of 72129220848

• 72129220848 squared (72129220848²) is 5202624500139557839104
• 72129220848 cubed (72129220848³) is 375261251559781774197802066440192
• The square root of 72129220848 is 268568.8381923711
• The cube root of 72129220848 is 4162.6549567831

Scales and comparisons

• 72,129,220,848 seconds is equal to 2,293 years, 25 weeks, 1 day, 22 hours, 40 minutes, 48 seconds.
• To count from 1 to 72,129,220,848 would take you about four thousand, five hundred eighty-six 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 72129220848 cubic inches would be around 346.9 feet tall.

Recreational maths with 72129220848

• 72129220848 backwards is 84802292127
• The number of decimal digits it has is: 11
• The sum of 72129220848's digits is 45
• More coming soon!