168420472220

Names of 168420472220

• Cardinal: 168420472220 can be written as One hundred sixty-eight billion, four hundred twenty million, four hundred seventy-two thousand, two hundred twenty.

Scientific notation

• Scientific notation: 1.6842047222 × 10¹¹

Factors of 168420472220

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 442826

Divisors of 168420472220

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 4 5 7 10 11 13 14 19 20 22 26 28 35 38 44 52 55 65 70 76 77 91 95 110 130 133 140 143 154 182 190 209 220 247 260 266 286 308 364 380 385 418 455 494 532 572 665 715 770 836 910 988 1001 1045 1235 1330 1430 1463 1540 1729 1820 2002 2090 2470 2660 2717 2860 2926 3458 4004 4180 4940 5005 5434 5852 6916 7315 8645 10010 10868 13585 14630 17290 19019 20020 27170 29260 34580 38038 54340 76076 95095 190190 380380 442769 885538 1771076 2213845 3099383 4427690 4870459 5755997 6198766 8412611 8855380 9740918 11511994 12397532 15496915 16825222 19481836 23023988 24352295 28779985 30993830 33650444 34093213 40291979 42063055 48704590 57559970 58888277 61987660 63315967 68186426 80583958 84126110 92538721 97409180 109363943 115119940 117776554 126631934 136372852 161167916 168252220 170466065 185077442 201459895 218727886 235553108 253263868 294441385 316579835 340932130 370154884 402919790 437455772 443211769 462693605 546819715 588882770 633159670 647771047 681864260 765547601 805839580 886423538 925387210 1093639430 1177765540 1203003373 1266319340 1295542094 1531095202 1772847076 1850774420 2187278860 2216058845 2406006746 2591084188 3062190404 3238855235 3827738005 4432117690 4812013492 6015016865 6477710470 7655476010 8421023611 8864235380 12030033730 12955420940 15310952020 16842047222 24060067460 33684094444 42105118055 84210236110 168420472220
• Sum of all divisors σ(n): 499869619200
• Sum of proper divisors (its aliquot sum) s(n): 331449146980
• 168420472220 is an abundant number, because the sum of its proper divisors (331449146980) is greater than itself. Its abundance is 163028674760

Bases of 168420472220

• Binary: 10011100110110101001000111010110011100₂
• Hexadecimal: 0x2736A4759C
• Base-36: 25DD782K

Squares and roots of 168420472220

• 168420472220 squared (168420472220²) is 28365455462807791728400
• 168420472220 cubed (168420472220³) is 4777323403781466929992537985048000
• The square root of 168420472220 is 410390.6336894155
• The cube root of 168420472220 is 5522.4478945109

Scales and comparisons

• 168,420,472,220 seconds is equal to 5,355 years, 13 weeks, 30 minutes, 20 seconds.
• To count from 1 to 168,420,472,220 would take you about ten thousand, seven hundred ten 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 168420472220 cubic inches would be around 460.2 feet tall.

Recreational maths with 168420472220

• 168420472220 backwards is 022274024861
• 168420472220 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 168420472220's digits is 38
• More coming soon!