72681857792730

Names of 72681857792730

• Cardinal: 72681857792730 can be written as Seventy-two trillion, six hundred eighty-one billion, eight hundred fifty-seven million, seven hundred ninety-two thousand, seven hundred thirty.

Scientific notation

• Scientific notation: 7.268185779273 × 10¹³

Factors of 72681857792730

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 2939

Divisors of 72681857792730

• Number of divisors d(n): 640
• Complete list of divisors:
  1 2 3 5 6 9 10 15 18 27 29 30 31 45 53 54 58 62 81 87 90 93 106 135 145 155 159 162 174 186 261 265 270 279 290 310 318 405 435 465 477 522 530 558 783 795 810 837 870 899 930 954 1093 1305 1395 1431 1537 1566 1590 1643 1674 1723 1798 2186 2349 2385 2511 2610 2697 2790 2862 3074 3279 3286 3446 3915 4185 4293 4495 4611 4698 4770 4929 5022 5169 5394 5465 6558 7155 7685 7830 8091 8215 8370 8586 8615 8990 9222 9837 9858 10338 10930 11745 12555 13485 13833 14310 14787 15370 15507 16182 16395 16430 17230 19674 21465 23055 23490 24273 24645 25110 25845 26970 27666 29511 29574 31014 31697 32790 33883 40455 41499 42930 44361 46110 46521 47647 48546 49185 49290 49967 51690 53413 57929 59022 63394 67766 69165 72819 73935 77535 80910 82998 88533 88722 91319 93042 95091 95294 98370 99934 101649 106826 115858 121365 124497 133083 138330 139563 142941 145638 147555 147870 149901 155070 158485 160239 169415 173787 177066 182638 190182 203298 207495 221805 232605 238235 242730 248994 249835 266166 267065 273957 279126 285273 285882 289645 295110 299802 304947 316970 320478 338830 347574 364095 414990 428823 442665 443610 449703 456595 465210 475455 476470 480717 499670 508245 521361 534130 547914 570546 579290 609894 622485 665415 697815 714705 728190 749505 801195 821871 855819 857646 868935 885330 899406 913190 914841 950910 961434 982607 1016490 1042722 1244970 1286469 1330830 1349109 1369785 1395630 1426365 1429410 1442151 1499010 1524735 1548977 1564083 1602390 1643742 1679941 1711638 1737870 1795799 1829682 1883239 1965214 2144115 2248515 2403585 2465613 2567457 2572938 2606805 2648251 2698218 2739570 2744523 2830889 2852730 2884302 2947821 3049470 3097954 3128166 3359882 3591598 3766478 3859407 4047327 4109355 4279095 4288230 4326453 4497030 4574205 4646931 4692249 4807170 4913035 4931226 5039823 5134914 5213610 5296502 5387397 5489046 5649717 5661778 5895642 6432345 6745545 7210755 7396839 7718814 7744885 7820415 7944753 8094654 8218710 8399705 8492667 8558190 8652906 8843463 8978995 9148410 9293862 9384498 9416195 9826070 10079646 10774794 11299434 12328065 12837285 12864690 13241255 13491090 13722615 13940793 14154445 14421510 14739105 14793678 15119469 15489770 15640830 15889506 16162191 16799410 16949151 16985334 17686926 17957990 18832390 19297035 20236635 21632265 23234655 23461245 23834259 24656130 25199115 25478001 25674570 26482510 26530389 26936985 27445230 27881586 28248585 28308890 29478210 30238938 32324382 33898302 36984195 38594070 39723765 40473270 41822379 42463335 43264530 44217315 45358407 46469310 46922490 47668518 48486573 50398230 50847453 50956002 52078171 53060778 53873970 54613931 56497170 58380409 69703965 71502777 73968390 75597345 76434003 79447530 79591167 80810955 82095781 83644758 84745755 84926670 88434630 90716814 96973146 99811667 101694906 104156342 109227862 116760818 119171295 125467137 127390005 132651945 136075221 139407930 143005554 145459719 151194690 152542359 152868006 156234513 159182334 161621910 163841793 164191562 169491510 175141227 199623334 209111895 214508331 226792035 229302009 238342590 242432865 246287343 250934274 254237265 254780010 260390855 265303890 272150442 273069655 290919438 291902045 299435001 305084718 312469026 327683586 350282454 357513885 382170015 397955835 410478905 418223790 429016662 453584070 458604018 468703539 484865730 491525379 492574686 499058335 508474530 520781710 525423681 546139310 583804090 598870002 627335685 680376105 715027770 727298595 738862029 762711795 764340030 781172565 795911670 819208965 820957810 875706135 898305003 937407078 983050758 998116670 1050847362 1072541655 1146510045 1231436715 1254671370 1360752210 1406110617 1454597190 1474576137 1477724058 1497175005 1525423590 1562345130 1576271043 1638417930 1693031861 1751412270 1796610006 2145083310 2216586087 2293020090 2343517695 2457626895 2462873430 2627118405 2694915009 2812221234 2894538343 2949152274 2994350010 3094161677 3152542086 3386063722 3694310145 4218331851 4423728411 4433172174 4491525015 4687035390 4728813129 4915253790 5079095583 5254236810 5389830018 5789076686 6188323354 6649758261 7030553085 7372880685 7388620290 7881355215 8084745027 8436663702 8465159305 8683615029 8847456822 8983050030 9282485031 9457626258 10158191166 11082930435 13299516522 13474575045 14061106170 14472691715 14745761370 15237286749 15470808385 15762710430 16169490054 16930318610 17367230058 18564970062 21091659255 22118642055 22165860870 23644065645 25395477915 26050845087 26949150090 27847455093 28945383430 30474573498 30941616770 33248791305 40423725135 42183318510 43418075145 44237284110 45711860247 46412425155 47288131290 50790955830 52101690174 55694910186 66497582610 76186433745 78152535261 80847450270 83542365279 86836150290 89730688633 91423720494 92824850310 130254225435 137135580741 139237275465 152372867490 156305070522 167084730558 179461377266 228559301235 234457605783 250627095837 260508450870 269192065899 274271161482 278474550930 390762676305 417711826395 448653443165 457118602470 468915211566 501254191674 538384131798 685677903705 781525352610 807576197697 835423652790 897306886330 1172288028915 1253135479185 1345960329495 1371355807410 1615152395394 2344576057830 2422728593091 2506270958370 2691920658990 4037880988485 4845457186182 7268185779273 8075761976970 12113642965455 14536371558546 24227285930910 36340928896365 72681857792730
• Sum of all divisors σ(n): 212949905541120
• Sum of proper divisors (its aliquot sum) s(n): 140268047748390
• 72681857792730 is an abundant number, because the sum of its proper divisors (140268047748390) is greater than itself. Its abundance is 67586189955660

Bases of 72681857792730

• Binary: 10000100001101010010000010100001011101011011010₂
• Hexadecimal: 0x421A9050BADA
• Base-36: PRHL1JFMI

Squares and roots of 72681857792730

• 72681857792730 squared (72681857792730²) is 5282652452202626627640852900
• 72681857792730 cubed (72681857792730³) is 383952994299407722009172924365568619417000
• The square root of 72681857792730 is 8525365.5518534805
• The cube root of 72681857792730 is 41732.5901173421

Scales and comparisons

• 72,681,857,792,730 seconds is equal to 2,311,058 years, 13 weeks, 2 days, 22 hours, 25 minutes, 30 seconds.
• To count from 1 to 72,681,857,792,730 would take you about five million, seven hundred seventy-seven thousand, six hundred forty-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 72681857792730 cubic inches would be around 3477.7 feet tall.

Recreational maths with 72681857792730

• 72681857792730 backwards is 03729775818627
• The number of decimal digits it has is: 14
• The sum of 72681857792730's digits is 72
• More coming soon!