18345558562745680

Names of 18345558562745680

• Cardinal: 18345558562745680 can be written as Eighteen quadrillion, three hundred forty-five trillion, five hundred fifty-eight billion, five hundred sixty-two million, seven hundred forty-five thousand, six hundred eighty.

Scientific notation

• Scientific notation: 1.834555856274568 × 10¹⁶

Factors of 18345558562745680

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 7794916

Divisors of 18345558562745680

• Number of divisors d(n): 320
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 19 20 28 35 38 40 56 70 76 79 80 95 112 133 140 152 158 190 266 280 304 316 380 395 532 553 560 632 665 760 790 1064 1106 1264 1330 1501 1520 1580 2128 2212 2660 2765 2801 3002 3160 4424 5320 5530 5602 6004 6320 7505 8848 10507 10640 11060 11204 12008 14005 15010 19607 21014 22120 22408 24016 28010 30020 39214 42028 44240 44816 52535 53219 56020 60040 78428 84056 98035 105070 106438 112040 120080 156856 168112 196070 210140 212876 221279 224080 266095 313712 372533 392140 420280 425752 442558 532190 745066 784280 840560 851504 885116 1064380 1106395 1490132 1548953 1568560 1770232 1862665 2128760 2212790 2980264 3097906 3540464 3725330 4204301 4257520 4425580 5960528 6195812 7450660 7744765 7792003 8408602 8851160 12391624 14901320 15489530 15584006 16817204 17702320 21021505 24783248 29430107 29802640 30979060 31168012 33634408 38960015 42043010 54544021 58860214 61958120 62336024 67268816 77920030 84086020 109088042 117720428 123916240 124672048 147150535 148048057 155840060 168172040 218176084 235440856 272720105 294301070 296096114 311680120 336344080 436352168 470881712 545440210 588602140 592192228 615568237 623360240 740240285 872704336 1036336399 1090880420 1177204280 1184384456 1231136474 1480480570 2072672798 2181760840 2354408560 2368768912 2462272948 2960961140 3077841185 4145345596 4308977659 4363521680 4924545896 5181681995 5921922280 6155682370 8290691192 8617955318 9849091792 10363363990 11695796503 11843844560 12311364740 16581382384 17235910636 20726727980 21544888295 21825400403 23391593006 24622729480 34471821272 41453455960 43089776590 43650800806 46783186012 49245458960 58478982515 68943642544 81870575521 82906911920 86179553180 87301601612 93566372024 109127002015 116957965030 152777802821 163741151042 172359106360 174603203224 187132744048 218254004030 233915930060 305555605642 327482302084 344718212720 349206406448 409352877605 414682607657 436508008060 467831860120 611111211284 654964604168 763889014105 818705755210 829365215314 873016016120 935663720240 1222222422568 1309929208336 1527778028210 1637411510420 1658730430628 1724206631837 1746032032240 2073413038285 2444444845136 2902778253599 3055556056420 3274823020840 3317460861256 3448413263674 4146826076570 5805556507198 6111112112840 6549646041680 6634921722512 6896826527348 8293652153140 8621033159185 11611113014396 12069446422859 12222224225680 13793653054696 14513891267995 16587304306280 17242066318370 23222226028792 24138892845718 27587306109392 29027782535990 32759926004903 33174608612560 34484132636740 46444452057584 48277785691436 58055565071980 60347232114295 65519852009806 68968265273480 96555571382872 116111130143960 120694464228590 131039704019612 137936530546960 163799630024515 193111142765744 229319482034321 232222260287920 241388928457180 262079408039224 327599260049030 458638964068642 482777856914360 524158816078448 655198520098060 917277928137284 965555713828720 1146597410171605 1310397040196120 1834555856274568 2293194820343210 2620794080392240 3669111712549136 4586389640686420 9172779281372840 18345558562745680
• Sum of all divisors σ(n): 51980471151206400
• Sum of proper divisors (its aliquot sum) s(n): 33634912588460720
• 18345558562745680 is an abundant number, because the sum of its proper divisors (33634912588460720) is greater than itself. Its abundance is 15289354025715040

Bases of 18345558562745680

• Binary: 1000001001011010011000000110101010101101010110101010000₂
• Hexadecimal: 0x412D303556AD50
• Base-36: 50MYH97Z1HS

Squares and roots of 18345558562745680

• 18345558562745680 squared (18345558562745680²) is 336559518979131340061580358662400
• 18345558562745680 cubed (18345558562745680³) is 6174372365281170157101617813767142429316178432000
• The square root of 18345558562745680 is 135445777.2052923029
• The cube root of 18345558562745680 is 263740.5938422587

Scales and comparisons

• 18,345,558,562,745,680 seconds is equal to 583,332,015 years, 39 weeks, 2 days, 11 hours, 34 minutes, 40 seconds.
• To count from 1 to 18,345,558,562,745,680 would take you about one billion, seven hundred forty-nine million, nine hundred ninety-six thousand and forty-seven 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 18345558562745680 cubic inches would be around 21978.4 feet tall.

Recreational maths with 18345558562745680

• 18345558562745680 backwards is 08654726585554381
• The number of decimal digits it has is: 17
• The sum of 18345558562745680's digits is 82
• More coming soon!