161351017739133420

Names of 161351017739133420

• Cardinal: 161351017739133420 can be written as One hundred sixty-one quadrillion, three hundred fifty-one trillion, seventeen billion, seven hundred thirty-nine million, one hundred thirty-three thousand, four hundred twenty.

Scientific notation

• Scientific notation: 1.6135101773913342 × 10¹⁷

Factors of 161351017739133420

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 7131606

Divisors of 161351017739133420

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 5 6 10 11 12 15 20 22 30 33 44 55 60 66 79 110 132 158 165 220 237 316 330 395 474 660 790 869 948 1185 1580 1738 2370 2607 3476 4345 4740 5214 8690 10428 13035 17380 26070 52140 464137 928274 1392411 1856548 2320685 2784822 4641370 5105507 5569644 6667369 6962055 9282740 10211014 13334738 13924110 15316521 20002107 20422028 25527535 26669476 27848220 30633042 33336845 36666823 40004214 51055070 61266084 66673690 73333646 73341059 76582605 80008428 100010535 102110140 110000469 133347380 146667292 146682118 153165210 183334115 200021070 220000938 220023177 293364236 306330420 366668230 366705295 400042140 403335053 440001876 440046354 526722151 550002345 733336460 733410590 806670106 880092708 1053444302 1100004690 1100115885 1210005159 1466821180 1580166453 1613340212 2016675265 2106888604 2200009380 2200231770 2420010318 2633610755 3160332906 4033350530 4400463540 4840020636 5267221510 5793943661 6050025795 6320665812 7900832265 8066701060 10534443020 11587887322 12100051590 15801664530 17381830983 23175774644 24200103180 28969718305 31603329060 34763661966 57939436610 69527323932 86909154915 115878873220 173818309830 347636619660 3094572645553 6189145291106 9283717936659 12378290582212 15472863227765 18567435873318 30945726455530 34040299101083 37134871746636 46418589683295 61891452911060 68080598202166 92837179366590 102120897303249 136161196404332 170201495505415 185674358733180 204241794606498 244471238998687 340402991010830 408483589212996 488942477997374 510604486516245 680805982021660 733413716996061 977884955994748 1021208973032490 1222356194993435 1466827433992122 2042417946064980 2444712389986870 2689183628985557 2933654867984244 3667068584980305 4889424779973740 5378367257971114 7334137169960610 8067550886956671 10756734515942228 13445918144927785 14668274339921220 16135101773913342 26891836289855570 32270203547826684 40337754434783355 53783672579711140 80675508869566710 161351017739133420
• Sum of all divisors σ(n): 499093826444236800
• Sum of proper divisors (its aliquot sum) s(n): 337742808705103380
• 161351017739133420 is an abundant number, because the sum of its proper divisors (337742808705103380) is greater than itself. Its abundance is 176391790965969960

Bases of 161351017739133420

• Binary: 1000111101001110111110010101010000011111010010000111101100₂
• Hexadecimal: 0x23D3BE5507D21EC
• Base-36: 184Q5U9E20OC

Squares and roots of 161351017739133420

• 161351017739133420 squared (161351017739133420²) is 26034150925454147577694492560896400
• 161351017739133420 cubed (161351017739133420³) is 4200636747796228908856182042285614573338714397688000
• The square root of 161351017739133420 is 401685222.2065599217
• The cube root of 161351017739133420 is 544407.2535902287

Scales and comparisons

• 161,351,017,739,133,420 seconds is equal to 5,130,463,272 years, 33 weeks, 23 hours, 17 minutes.
• To count from 1 to 161,351,017,739,133,420 would take you about fifteen billion, three hundred ninety-one million, three hundred eighty-nine thousand, eight hundred seventeen 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 161351017739133420 cubic inches would be around 45367.3 feet tall.

Recreational maths with 161351017739133420

• 161351017739133420 backwards is 024331937710153161
• The number of decimal digits it has is: 18
• The sum of 161351017739133420's digits is 57
• More coming soon!