840742421702040

Names of 840742421702040

• Cardinal: 840742421702040 can be written as Eight hundred forty trillion, seven hundred forty-two billion, four hundred twenty-one million, seven hundred two thousand and forty.

Scientific notation

• Scientific notation: 8.4074242170204 × 10¹⁴

Factors of 840742421702040

• Number of distinct prime factors ω(n): 9
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 16162

Divisors of 840742421702040

• Number of divisors d(n): 1536
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 11 12 13 15 18 20 22 24 26 30 33 36 39 40 41 44 45 52 55 60 65 66 72 78 82 88 90 99 104 110 117 120 123 127 130 132 143 156 164 165 180 195 198 199 205 220 234 246 254 260 264 286 312 328 330 360 369 381 390 396 398 410 429 440 451 468 492 495 508 520 533 572 585 597 615 635 660 715 738 762 780 792 796 820 858 902 936 984 990 995 1016 1066 1143 1144 1170 1194 1230 1270 1287 1320 1353 1397 1430 1476 1524 1560 1592 1599 1640 1651 1716 1791 1804 1845 1905 1980 1990 2132 2145 2189 2255 2286 2340 2388 2460 2540 2574 2587 2665 2706 2794 2860 2952 2985 3048 3198 3302 3432 3582 3608 3690 3810 3960 3980 4059 4191 4264 4290 4378 4510 4572 4680 4776 4797 4920 4953 5080 5148 5174 5207 5330 5412 5588 5715 5720 5863 5970 6396 6435 6567 6604 6765 6985 7164 7380 7620 7761 7960 7995 8118 8159 8255 8382 8580 8756 8955 9020 9144 9594 9906 10296 10348 10414 10660 10824 10945 11176 11430 11726 11940 12573 12792 12870 12935 13134 13208 13530 13970 14328 14760 14859 15240 15522 15621 15761 15990 16236 16318 16510 16764 17160 17512 17589 17910 18040 18161 19188 19701 19812 20295 20696 20828 20955 21320 21890 22860 23283 23452 23880 23985 24477 24765 25146 25273 25740 25870 26035 26268 27060 27940 28457 29315 29718 31044 31242 31522 31980 32472 32636 32835 33020 33528 35178 35820 36322 38376 38805 39402 39624 40590 40795 41656 41910 43780 45720 46566 46863 46904 47283 47970 48954 49530 50292 50546 51480 51740 52070 52536 52767 54120 54483 55880 56914 57277 58630 59436 62088 62484 62865 63044 63960 65272 65670 66040 67691 70356 71640 72644 73431 74295 75819 77610 78105 78804 78805 81180 81590 83820 85371 87560 87945 89749 90805 93132 93726 94566 95940 97908 98505 99060 100584 101092 103480 104140 105534 106067 108966 113828 114554 116415 117260 118872 122385 124968 125730 126088 126365 131340 135382 140712 141849 142285 145288 146862 148590 151638 155220 156210 157608 157610 162360 163180 163449 167640 170742 171831 173371 175890 179498 181610 186264 187452 189132 191880 195816 197010 198120 202184 203073 204893 208280 211068 212134 217932 227457 227656 229108 232830 234315 234520 236415 244770 251460 252730 256113 262680 263835 269247 270764 272415 278003 283698 284570 286385 293724 297180 303276 310440 312420 315220 318201 326360 326898 328549 338455 341484 343662 346742 351780 358996 363220 367155 374904 378264 379095 394020 406146 409786 422136 424268 426855 435864 448745 454914 458216 465660 468630 472830 489540 502920 505460 512226 515493 520113 527670 530335 538494 541528 544830 556006 567396 569140 572770 587448 594360 606552 609219 614679 624840 630440 636402 646201 653796 657098 676910 682968 687324 693484 703560 709245 717992 726440 734310 744601 758190 788040 807741 812292 817245 819572 834009 848536 853710 859155 866855 897490 909828 931320 937260 945660 954603 979080 985647 1010920 1015365 1024452 1024465 1030986 1036193 1040226 1055340 1060670 1076988 1089660 1112012 1134792 1137285 1138280 1145540 1166737 1218438 1229358 1272804 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4101182544888 4224836289960 4246173846980 4311499598472 4670791231678 5095408616376 5126478181110 5389374498090 5879317634280 6369260770470 6467249397708 6620019068520 6835304241480 7006186847517 7185832664120 7643112924564 8084061747135 8492347693960 9341582463356 9553891155705 10252956362220 10778748996180 11676978079195 12738521540940 12934498795416 14012373695034 15286225849128 16168123494270 18683164926712 19107782311410 20505912724440 21018560542551 21557497992360 23353956158390 25477043081880 28024747390068 32336246988540 35030934237585 38215564622820 42037121085102 46707912316780 56049494780136 64672493977080 70061868475170 76431129245640 84074242170204 93415824633560 105092802712755 140123736950340 168148484340408 210185605425510 280247473900680 420371210851020 840742421702040
• Sum of all divisors σ(n): 3331161759744000
• Sum of proper divisors (its aliquot sum) s(n): 2490419338041960
• 840742421702040 is an abundant number, because the sum of its proper divisors (2490419338041960) is greater than itself. Its abundance is 1649676916339920

Bases of 840742421702040

• Binary: 10111111001010011010011001011001001010010110011000₂
• Hexadecimal: 0x2FCA69964A598
• Base-36: 8A0NQIJZQ0

Squares and roots of 840742421702040

• 840742421702040 squared (840742421702040²) is 706847819649410859970540161600
• 840742421702040 cubed (840742421702040³) is 594276947666852500941996324275033248649664000
• The square root of 840742421702040 is 28995558.6547671125
• The cube root of 840742421702040 is 94381.6691858365

Scales and comparisons

• 840,742,421,702,040 seconds is equal to 26,733,008 years, 21 weeks, 6 days, 23 hours, 54 minutes.
• To count from 1 to 840,742,421,702,040 would take you about sixty-six million, eight hundred thirty-two thousand, five hundred twenty-one 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 840742421702040 cubic inches would be around 7865.1 feet tall.

Recreational maths with 840742421702040

• 840742421702040 backwards is 040207124247048
• 840742421702040 is a Harshad number.
• The number of decimal digits it has is: 15
• The sum of 840742421702040's digits is 45
• More coming soon!