161221367802880

Names of 161221367802880

• Cardinal: 161221367802880 can be written as One hundred sixty-one trillion, two hundred twenty-one billion, three hundred sixty-seven million, eight hundred two thousand, eight hundred eighty.

Scientific notation

• Scientific notation: 1.6122136780288 × 10¹⁴

Factors of 161221367802880

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 21523317

Divisors of 161221367802880

• Number of divisors d(n): 352
• Complete list of divisors:
  1 2 4 5 7 8 10 11 14 16 19 20 22 28 32 35 38 40 44 55 56 64 70 76 77 80 88 95 110 112 128 133 140 152 154 160 176 190 209 220 224 256 266 280 304 308 320 352 380 385 418 440 448 512 532 560 608 616 640 665 704 760 770 836 880 896 1024 1045 1064 1120 1216 1232 1280 1330 1408 1463 1520 1540 1672 1760 1792 2090 2128 2240 2432 2464 2560 2660 2816 2926 3040 3080 3344 3520 3584 4180 4256 4480 4864 4928 5120 5320 5632 5852 6080 6160 6688 7040 7168 7315 8360 8512 8960 9728 9856 10640 11264 11704 12160 12320 13376 14080 14630 16720 17024 17920 19456 19712 21280 23408 24320 24640 26752 28160 29260 33440 34048 35840 39424 42560 46816 48640 49280 53504 56320 58520 66880 68096 78848 85120 93632 97280 98560 107008 117040 133760 136192 170240 187264 197120 214016 234080 267520 340480 374528 394240 468160 535040 680960 749056 936320 1070080 1498112 1872640 3745280 7490560 21523273 43046546 86093092 107616365 150662911 172186184 215232730 236756003 301325822 344372368 408942187 430465460 473512006 602651644 688744736 753314555 817884374 860930920 947024012 1183780015 1205303288 1377489472 1506629110 1635768748 1657292021 1721861840 1894048024 2044710935 2367560030 2410606576 2754978944 2862595309 3013258220 3271537496 3314584042 3443723680 3788096048 4089421870 4498364057 4735120060 4821213152 5509957888 5725190618 6026516440 6543074992 6629168084 6887447360 7576192096 8178843740 8286460105 8996728114 9470240120 9642426304 11019915776 11450381236 12053032880 13086149984 13258336168 13774894720 14312976545 15152384192 16357687480 16572920210 17993456228 18940480240 19284852608 22039831552 22491820285 22900762472 24106065760 26172299968 26516672336 27549789440 28625953090 30304768384 31488548399 32715374960 33145840420 35986912456 37880960480 38569705216 44983640570 45801524944 48212131520 52344599936 53033344672 55099578880 57251906180 60609536768 62977096798 65430749920 66291680840 71973824912 75761920960 77139410432 89967281140 91603049888 96424263040 104689199872 106066689344 110199157760 114503812360 121219073536 125954193596 130861499840 132583361680 143947649824 151523841920 154278820864 157442741995 179934562280 183206099776 192848526080 209378399744 212133378688 229007624720 242438147072 251908387192 261722999680 265166723360 287895299648 303047683840 314885483990 359869124560 366412199552 385697052160 418756799488 424266757376 458015249440 503816774384 523445999360 530333446720 575790599296 606095367680 629770967980 719738249120 732824399104 771394104320 848533514752 916030498880 1007633548768 1046891998720 1060666893440 1151581198592 1212190735360 1259541935960 1439476498240 1465648798208 1697067029504 1832060997760 2015267097536 2093783997440 2121333786880 2303162397184 2519083871920 2878952996480 2931297596416 3664121995520 4030534195072 4242667573760 4606324794368 5038167743840 5757905992960 7328243991040 8061068390144 8485335147520 10076335487680 11515811985920 14656487982080 16122136780288 20152670975360 23031623971840 32244273560576 40305341950720 80610683901440 161221367802880
• Sum of all divisors σ(n): 507549794434560
• Sum of proper divisors (its aliquot sum) s(n): 346328426631680
• 161221367802880 is an abundant number, because the sum of its proper divisors (346328426631680) is greater than itself. Its abundance is 185107058828800

Bases of 161221367802880

• Binary: 100100101010000101000110010110111010110000000000₂
• Hexadecimal: 0x92A1465BAC00
• Base-36: 1L5C2NRZLS

Squares and roots of 161221367802880

• 161221367802880 squared (161221367802880²) is 25992329436231511918536294400
• 161221367802880 cubed (161221367802880³) is 4190518904092305137744770311436864847872000
• The square root of 161221367802880 is 12697297.6574891715
• The cube root of 161221367802880 is 54426.1399166527

Scales and comparisons

• 161,221,367,802,880 seconds is equal to 5,126,340 years, 41 weeks, 6 days, 6 hours, 34 minutes, 40 seconds.
• To count from 1 to 161,221,367,802,880 would take you about twelve million, eight hundred fifteen thousand, eight hundred fifty-two 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 161221367802880 cubic inches would be around 4535.5 feet tall.

Recreational maths with 161221367802880

• 161221367802880 backwards is 088208763122161
• 161221367802880 is a Harshad number.
• The number of decimal digits it has is: 15
• The sum of 161221367802880's digits is 55
• More coming soon!