72106784640

Names of 72106784640

• Cardinal: 72106784640 can be written as Seventy-two billion, one hundred six million, seven hundred eighty-four thousand, six hundred forty.

Scientific notation

• Scientific notation: 7.210678464 × 10¹⁰

Factors of 72106784640

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 665

Divisors of 72106784640

• Number of divisors d(n): 576
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 11 12 15 16 18 20 22 24 30 32 33 36 40 44 45 48 55 60 64 66 72 80 88 90 96 99 110 120 121 128 132 144 160 165 176 180 192 198 220 240 242 264 288 307 320 330 337 352 360 363 384 396 440 480 484 495 528 576 605 614 640 660 674 704 720 726 792 880 921 960 968 990 1011 1056 1089 1152 1210 1228 1320 1348 1408 1440 1452 1535 1584 1685 1760 1815 1842 1920 1936 1980 2022 2112 2178 2420 2456 2640 2696 2763 2880 2904 3033 3070 3168 3370 3377 3520 3630 3684 3707 3872 3960 4044 4224 4356 4605 4840 4912 5055 5280 5392 5445 5526 5760 5808 6066 6140 6336 6740 6754 7040 7260 7368 7414 7744 7920 8088 8712 9210 9680 9824 10110 10131 10560 10784 10890 11052 11121 11616 12132 12280 12672 13480 13508 13815 14520 14736 14828 15165 15488 15840 16176 16885 17424 18420 18535 19360 19648 20220 20262 21120 21568 21780 22104 22242 23232 24264 24560 26960 27016 27630 29040 29472 29656 30330 30393 31680 32352 33363 33770 34848 36840 37070 37147 38720 39296 40440 40524 40777 43136 43560 44208 44484 46464 48528 49120 50655 53920 54032 55260 55605 58080 58944 59312 60660 60786 63360 64704 66726 67540 69696 73680 74140 74294 77440 80880 81048 81554 87120 88416 88968 97056 98240 101310 103459 107840 108064 110520 111210 111441 116160 117888 118624 121320 121572 122331 129408 133452 135080 139392 147360 148280 148588 151965 161760 162096 163108 166815 174240 176832 177936 185735 194112 196480 202620 203885 206918 215680 216128 221040 222420 222882 232320 237248 242640 243144 244662 266904 270160 294720 296560 297176 303930 310377 323520 324192 326216 333630 334323 348480 353664 355872 366993 371470 388224 405240 407770 413836 432256 442080 444840 445764 474496 485280 486288 489324 517295 533808 540320 557205 589440 593120 594352 607860 611655 620754 647040 648384 652432 667260 668646 696960 711744 733986 742940 810480 815540 827672 884160 889680 891528 931131 970560 972576 978648 1034590 1067616 1080640 1114410 1138049 1186240 1188704 1215720 1223310 1241508 1296768 1304864 1334520 1337292 1423488 1467972 1485880 1551885 1620960 1631080 1655344 1671615 1768320 1779360 1783056 1834965 1862262 1941120 1945152 1957296 2069180 2135232 2161280 2228820 2276098 2372480 2377408 2431440 2446620 2483016 2609728 2669040 2674584 2935944 2971760 3103770 3241920 3262160 3310688 3343230 3414147 3558720 3566112 3669930 3724524 3890304 3914592 4138360 4270464 4457640 4552196 4655655 4754816 4862880 4893240 4966032 5219456 5338080 5349168 5690245 5871888 5943520 6207540 6483840 6524320 6621376 6686460 6828294 7117440 7132224 7339860 7449048 7829184 8276720 8915280 9104392 9311310 9725760 9786480 9932064 10242441 10676160 10698336 11380490 11743776 11887040 12415080 12518539 13048640 13242752 13372920 13656588 14264448 14679720 14898096 15658368 16553440 17070735 17830560 18208784 18622620 19451520 19572960 19864128 20484882 21352320 21396672 22760980 23487552 23774080 24830160 25037078 26097280 26745840 27313176 29359440 29796192 33106880 34141470 35661120 36417568 37245240 37555617 39145920 39728256 40969764 42793344 45521960 46975104 49660320 50074156 51212205 53491680 54626352 58718880 59592384 62592695 66213760 68282940 71322240 72835136 74490480 75111234 78291840 81939528 91043920 99320640 100148312 102424410 106983360 109252704 112666851 117437760 119184768 125185390 136565880 145670272 148980960 150222468 163879056 182087840 187778085 198641280 200296624 204848820 213966720 218505408 225333702 234875520 250370780 273131760 297961920 300444936 327758112 364175680 375556170 400593248 409697640 437010816 450667404 500741560 546263520 563334255 595923840 600889872 655516224 728351360 751112340 801186496 819395280 901334808 1001483120 1092527040 1126668510 1201779744 1311032448 1502224680 1602372992 1638790560 1802669616 2002966240 2185054080 2253337020 2403559488 3004449360 3277581120 3605339232 4005932480 4506674040 4807118976 6008898720 6555162240 7210678464 8011864960 9013348080 12017797440 14421356928 18026696160 24035594880 36053392320 72106784640
• Sum of all divisors σ(n): 275393598480
• Sum of proper divisors (its aliquot sum) s(n): 203286813840
• 72106784640 is an abundant number, because the sum of its proper divisors (203286813840) is greater than itself. Its abundance is 131180029200

Bases of 72106784640

• Binary: 1000011001001111001100011011110000000₂
• Hexadecimal: 0x10C9E63780
• Base-36: X4IIN40

Squares and roots of 72106784640

• 72106784640 squared (72106784640²) is 5199388391119339929600
• 72106784640 cubed (72106784640³) is 374911178978158332842619961344000
• The square root of 72106784640 is 268527.0650046287
• The cube root of 72106784640 is 4162.2233061213

Scales and comparisons

• 72,106,784,640 seconds is equal to 2,292 years, 40 weeks, 1 day, 6 hours, 24 minutes.
• To count from 1 to 72,106,784,640 would take you about four thousand, five hundred eighty-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 72106784640 cubic inches would be around 346.9 feet tall.

Recreational maths with 72106784640

• 72106784640 backwards is 04648760127
• 72106784640 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 72106784640's digits is 45
• More coming soon!