84420420
84,420,420 is an even composite number composed of seven prime numbers multiplied together.
84420420 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of one hundred ninety-two divisors.
Prime factorization of 84420420:
22 × 3 × 5 × 7 × 19 × 71 × 149
(2 × 2 × 3 × 5 × 7 × 19 × 71 × 149)See below for interesting mathematical facts about the number 84420420 from the Numbermatics database.
Names of 84420420
- Cardinal: 84420420 can be written as Eighty-four million, four hundred twenty thousand, four hundred twenty.
Scientific notation
- Scientific notation: 8.442042 × 107
Factors of 84420420
Divisors of 84420420
- Number of divisors d(n): 192
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Complete list of divisors:
1 2 3 4 5 6 7 10 12 14 15 19 20 21 28 30 35 38 42 57 60 70 71 76 84 95 105 114 133 140 142 149 190 210 213 228 266 284 285 298 355 380 399 420 426 447 497 532 570 596 665 710 745 798 852 894 994 1043 1065 1140 1330 1349 1420 1490 1491 1596 1788 1988 1995 2086 2130 2235 2485 2660 2698 2831 2980 2982 3129 3990 4047 4172 4260 4470 4970 5215 5396 5662 5964 6258 6745 7455 7980 8094 8493 8940 9443 9940 10430 10579 11324 12516 13490 14155 14910 15645 16188 16986 18886 19817 20235 20860 21158 26980 28310 28329 29820 31290 31737 33972 37772 39634 40470 42316 42465 47215 52895 56620 56658 59451 62580 63474 74053 79268 80940 84930 94430 99085 105790 113316 118902 126948 141645 148106 158685 169860 188860 198170 201001 211580 222159 237804 283290 296212 297255 317370 370265 396340 402002 444318 566580 594510 603003 634740 740530 804004 888636 1005005 1110795 1189020 1206006 1407007 1481060 2010010 2221590 2412012 2814014 3015015 4020020 4221021 4443180 5628028 6030030 7035035 8442042 12060060 14070070 16884084 21105105 28140140 42210210 84420420
- Sum of all divisors σ(n): 290304000
- Sum of proper divisors (its aliquot sum) s(n): 205883580
- 84420420 is an abundant number, because the sum of its proper divisors (205883580) is greater than itself. Its abundance is 121463160
Bases of 84420420
- Binary: 1010000100000100111010001002
- Hexadecimal: 0x5082744
- Base-36: 1E9F7O
Squares and roots of 84420420
- 84420420 squared (844204202) is 7126807312976400
- 84420420 cubed (844204203) is 601648066620539138088000
-
The
square root of 84420420 is 9188.0585544501 -
The
cube root of 84420420 is 438.6813481761
Scales and comparisons
How big is 84420420?- 84,420,420 seconds is equal to 2 years, 35 weeks, 4 days, 2 hours, 7 minutes.
-
To count from 1 to 84,420,420 would take you about four 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 84420420 cubic inches would be around 36.6 feet tall.
Recreational maths with 84420420
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