918427343820

Names of 918427343820

• Cardinal: 918427343820 can be written as Nine hundred eighteen billion, four hundred twenty-seven million, three hundred forty-three thousand, eight hundred twenty.

Scientific notation

• Scientific notation: 9.1842734382 × 10¹¹

Factors of 918427343820

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 3398

Divisors of 918427343820

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 49 60 70 79 84 98 105 140 147 158 181 196 210 237 245 294 316 343 362 395 420 474 490 543 553 588 686 724 735 790 905 948 980 1029 1086 1106 1185 1267 1372 1470 1580 1659 1715 1810 2058 2172 2212 2370 2534 2715 2765 2940 3121 3318 3430 3620 3801 3871 4116 4740 5068 5145 5430 5530 6242 6335 6636 6860 7602 7742 8295 8869 9363 10290 10860 11060 11613 12484 12670 14299 15204 15484 15605 16590 17738 18726 19005 19355 20580 21847 23226 25340 26607 27097 28598 31210 33180 35476 37452 38010 38710 42897 43694 44345 46452 46815 53214 54194 57196 58065 62083 62420 65541 71495 76020 77420 81291 85794 87388 88690 93630 100093 106428 108388 109235 116130 124166 131082 133035 135485 142990 152929 162582 171588 177380 186249 187260 200186 214485 218470 232260 246559 248332 262164 266070 270970 285980 300279 305858 310415 325164 327705 372498 400372 406455 428970 436940 458787 493118 500465 532140 541940 564901 600558 611716 620830 655410 700651 739677 744996 764645 812910 857940 917574 931245 986236 1000930 1070503 1129802 1201116 1232795 1241660 1310820 1401302 1479354 1501395 1529290 1625820 1694703 1725913 1835148 1862490 2001860 2101953 2141006 2259604 2293935 2465590 2802604 2824505 2958708 3002790 3058580 3211509 3389406 3451826 3503255 3698385 3724980 3954307 4203906 4282012 4587870 4904557 4931180 5177739 5352515 5649010 6005580 6423018 6778812 6903652 7006510 7396770 7908614 8407812 8473515 8629565 9175740 9809114 10355478 10509765 10705030 11298020 11862921 12081391 12846036 14013020 14713671 14793540 15817228 16057545 16947030 17259130 19618228 19771535 20710956 21019530 21410060 23725842 24162782 24522785 25888695 27680149 29427342 32115090 33894060 34518260 36244173 39543070 42039060 44627179 47451684 48325564 49045570 51777390 55360298 58854684 59314605 60406955 64230180 72488346 73568355 79086140 83040447 84569737 89254358 98091140 103554780 110720596 118629210 120813910 133881537 138400745 144976692 147136710 166080894 169139474 178508716 181220865 193761043 223135895 237258420 241627820 253709211 267763074 276801490 294273420 312390253 332161788 338278948 362441730 387522086 415202235 422848685 446271790 507418422 535526148 553602980 581283129 624780506 669407685 724883460 775044172 830404470 845697370 892543580 937170759 968805215 1014836844 1162566258 1249561012 1268546055 1338815370 1561951265 1660808940 1691394740 1874341518 1937610430 2186731771 2325132516 2537092110 2677630740 2906415645 3123902530 3748683036 3875220860 4373463542 4685853795 5074184220 5812831290 6247805060 6560195313 8746927084 9371707590 10933658855 11625662580 13120390626 15307122397 18743415180 21867317710 26240781252 30614244794 32800976565 43734635420 45921367191 61228489588 65601953130 76535611985 91842734382 131203906260 153071223970 183685468764 229606835955 306142447940 459213671910 918427343820
• Sum of all divisors σ(n): 3054664704000
• Sum of proper divisors (its aliquot sum) s(n): 2136237360180
• 918427343820 is an abundant number, because the sum of its proper divisors (2136237360180) is greater than itself. Its abundance is 1217810016360

Bases of 918427343820

• Binary: 1101010111010110100010010001101111001100₂
• Hexadecimal: 0xD5D6891BCC
• Base-36: BPX3XDXO

Squares and roots of 918427343820

• 918427343820 squared (918427343820²) is 843508785876260492192400
• 918427343820 cubed (918427343820³) is 774701533701167055038671780390968000
• The square root of 918427343820 is 958346.1503131319
• The cube root of 918427343820 is 9720.3432614725

Scales and comparisons

• 918,427,343,820 seconds is equal to 29,203 years, 7 weeks, 5 days, 2 hours, 37 minutes.
• To count from 1 to 918,427,343,820 would take you about fifty-eight thousand, four hundred 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 918427343820 cubic inches would be around 810 feet tall.

Recreational maths with 918427343820

• 918427343820 backwards is 028343724819
• The number of decimal digits it has is: 12
• The sum of 918427343820's digits is 51
• More coming soon!