161010721607840

Names of 161010721607840

• Cardinal: 161010721607840 can be written as One hundred sixty-one trillion, ten billion, seven hundred twenty-one million, six hundred seven thousand, eight hundred forty.

Scientific notation

• Scientific notation: 1.6101072160784 × 10¹⁴

Factors of 161010721607840

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 3542

Divisors of 161010721607840

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 4 5 8 10 13 16 20 26 32 40 52 65 80 104 130 160 169 208 260 338 416 520 676 809 845 1040 1352 1618 1690 2080 2704 2713 3236 3380 4045 5408 5426 6472 6760 8090 10517 10852 12944 13520 13565 16180 21034 21704 25888 27040 27130 32360 35269 42068 43408 52585 54260 64720 70538 84136 86816 105170 108520 129440 136721 141076 168272 176345 210340 217040 273442 282152 336544 352690 420680 434080 458497 546884 564304 683605 705380 841360 916994 1093768 1128608 1367210 1410760 1682720 1833988 2187536 2194817 2292485 2734420 2821520 3667976 4375072 4389634 4584970 5468840 5643040 7335952 7360369 8779268 9169940 10937680 10974085 14671904 14720738 17558536 18339880 21875360 21948170 28532621 29441476 35117072 36679760 36801845 43896340 57065242 58882952 70234144 73359520 73603690 87792680 95684797 114130484 117765904 142663105 147207380 175585360 191369594 228260968 235531808 285326210 294414760 351170720 370924073 382739188 456521936 478423985 570652420 588829520 741848146 765478376 913043872 956847970 1141304840 1177659040 1243902361 1483696292 1530956752 1854620365 1913695940 2282609680 2487804722 2967392584 3061913504 3709240730 3827391880 4565219360 4975609444 5934785168 5954538521 6219511805 7418481460 7654783760 9951218888 11869570336 11909077042 12439023610 14836962920 15309567520 19902437776 23818154084 24878047220 29673925840 29772692605 39804875552 47636308168 49756094440 59347851680 59545385210 77409000773 95272616336 99512188880 119090770420 154818001546 190545232672 199024377760 238181540840 309636003092 387045003865 476363081680 619272006184 774090007730 952726163360 1006317010049 1238544012368 1548180015460 2012634020098 2477088024736 3096360030920 4025268040196 5031585050245 6192720061840 8050536080392 10063170100490 12385440123680 16101072160784 20126340200980 32202144321568 40252680401960 80505360803920 161010721607840
• Sum of all divisors σ(n): 412560461788020
• Sum of proper divisors (its aliquot sum) s(n): 251549740180180
• 161010721607840 is an abundant number, because the sum of its proper divisors (251549740180180) is greater than itself. Its abundance is 90539018572340

Bases of 161010721607840

• Binary: 100100100111000000111010110111011101000010100000₂
• Hexadecimal: 0x92703ADDD0A0
• Base-36: 1L2NAYGZA8

Squares and roots of 161010721607840

• 161010721607840 squared (161010721607840²) is 25924452472677354674749465600
• 161010721607840 cubed (161010721607840³) is 4174114799913932867546335216120412770304000
• The square root of 161010721607840 is 12689000.0239514539
• The cube root of 161010721607840 is 54402.4258226391

Scales and comparisons

• 161,010,721,607,840 seconds is equal to 5,119,642 years, 47 weeks, 1 day, 14 hours, 37 minutes, 20 seconds.
• To count from 1 to 161,010,721,607,840 would take you about twelve million, seven hundred ninety-nine thousand, one hundred 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 161010721607840 cubic inches would be around 4533.5 feet tall.

Recreational maths with 161010721607840

• 161010721607840 backwards is 048706127010161
• The number of decimal digits it has is: 15
• The sum of 161010721607840's digits is 44
• More coming soon!