72129028608

Names of 72129028608

• Cardinal: 72129028608 can be written as Seventy-two billion, one hundred twenty-nine million, twenty-eight thousand, six hundred eight.

Scientific notation

• Scientific notation: 7.2129028608 × 10¹⁰

Factors of 72129028608

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 8216

Divisors of 72129028608

• Number of divisors d(n): 480
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 13 14 16 18 21 24 26 27 28 32 36 39 42 48 49 52 54 56 63 64 72 78 84 91 96 98 104 108 112 117 126 128 144 147 156 168 182 189 192 196 208 216 224 234 252 256 273 288 294 312 336 351 364 378 384 392 416 432 441 448 468 504 512 546 576 588 624 637 672 702 728 756 768 784 819 832 864 882 896 936 1008 1092 1152 1176 1248 1274 1323 1344 1404 1456 1512 1536 1568 1638 1664 1728 1764 1792 1872 1911 2016 2184 2304 2352 2457 2496 2548 2646 2688 2808 2912 3024 3136 3276 3328 3456 3528 3584 3744 3822 4032 4368 4608 4704 4914 4992 5096 5292 5376 5616 5733 5824 6048 6272 6552 6656 6912 7056 7488 7644 8064 8191 8736 9408 9828 9984 10192 10584 10752 11232 11466 11648 12096 12544 13104 13824 14112 14976 15288 16128 16382 17199 17472 18816 19656 19968 20384 21168 22464 22932 23296 24192 24573 25088 26208 28224 29952 30576 32256 32764 34398 34944 37632 39312 40768 42336 44928 45864 46592 48384 49146 52416 56448 57337 59904 61152 65528 68796 69888 73719 75264 78624 81536 84672 89856 91728 96768 98292 104832 106483 112896 114674 122304 131056 137592 139776 147438 157248 163072 169344 172011 179712 183456 196584 209664 212966 221157 225792 229348 244608 262112 275184 294876 314496 319449 326144 338688 344022 366912 393168 401359 419328 425932 442314 458696 489216 516033 524224 550368 589752 628992 638898 677376 688044 733824 745381 786336 802718 851864 884628 917392 958347 978432 1032066 1048448 1100736 1179504 1204077 1257984 1277796 1376088 1467648 1490762 1548099 1572672 1605436 1703728 1769256 1834784 1916694 2064132 2096896 2201472 2236143 2359008 2408154 2555592 2752176 2875041 2935296 2981524 3096198 3145344 3210872 3407456 3538512 3612231 3669568 3833388 4128264 4193792 4402944 4472286 4718016 4816308 5111184 5217667 5504352 5750082 5963048 6192396 6290688 6421744 6708429 6814912 7077024 7224462 7339136 7666776 8256528 8805888 8944572 9436032 9632616 10222368 10435334 10836693 11008704 11500164 11926096 12384792 12581376 12843488 13416858 13629824 14154048 14448924 14678272 15333552 15653001 16513056 17889144 18872064 19265232 20125287 20444736 20870668 21673386 22017408 23000328 23852192 24769584 25686976 26833716 27259648 28308096 28897848 29356544 30667104 31306002 33026112 35778288 37744128 38530464 40250574 40889472 41741336 43346772 44034816 46000656 46959003 47704384 49539168 51373952 53667432 54519296 56616192 57795696 61334208 62612004 66052224 71556576 77060928 80501148 81778944 83482672 86693544 88069632 92001312 93918006 95408768 99078336 102747904 107334864 113232384 115591392 122668416 125224008 132104448 140877009 143113152 154121856 161002296 163557888 166965344 173387088 184002624 187836012 190817536 198156672 205495808 214669728 231182784 245336832 250448016 264208896 281754018 286226304 308243712 322004592 333930688 346774176 368005248 375672024 381635072 396313344 429339456 462365568 490673664 500896032 563508036 572452608 616487424 644009184 667861376 693548352 736010496 751344048 792626688 858678912 924731136 1001792064 1127016072 1144905216 1288018368 1335722752 1387096704 1472020992 1502688096 1717357824 1849462272 2003584128 2254032144 2576036736 2671445504 2774193408 3005376192 3434715648 4007168256 4508064288 5152073472 5548386816 6010752384 8014336512 9016128576 10304146944 12021504768 18032257152 24043009536 36064514304 72129028608
• Sum of all divisors σ(n): 267502878720
• Sum of proper divisors (its aliquot sum) s(n): 195373850112
• 72129028608 is an abundant number, because the sum of its proper divisors (195373850112) is greater than itself. Its abundance is 123244821504

Bases of 72129028608

• Binary: 1000011001011001110011010001000000000₂
• Hexadecimal: 0x10CB39A200
• Base-36: X4VREO0

Squares and roots of 72129028608

• 72129028608 squared (72129028608²) is 5202596767933682417664
• 72129028608 cubed (72129028608³) is 375258251110176916150473260531712
• The square root of 72129028608 is 268568.4802950637
• The cube root of 72129028608 is 4162.6512586541

Scales and comparisons

• 72,129,028,608 seconds is equal to 2,293 years, 24 weeks, 6 days, 17 hours, 16 minutes, 48 seconds.
• To count from 1 to 72,129,028,608 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 72129028608 cubic inches would be around 346.9 feet tall.

Recreational maths with 72129028608

• 72129028608 backwards is 80682092127
• The number of decimal digits it has is: 11
• The sum of 72129028608's digits is 45
• More coming soon!