1221091020
1,221,091,020 is an even composite number composed of six prime numbers multiplied together.
1221091020 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of two hundred sixteen divisors.
Prime factorization of 1221091020:
22 × 32 × 5 × 37 × 472 × 83
(2 × 2 × 3 × 3 × 5 × 37 × 47 × 47 × 83)See below for interesting mathematical facts about the number 1221091020 from the Numbermatics database.
Names of 1221091020
- Cardinal: 1221091020 can be written as One billion, two hundred twenty-one million, ninety-one thousand and twenty.
Scientific notation
- Scientific notation: 1.22109102 × 109
Factors of 1221091020
Divisors of 1221091020
- Number of divisors d(n): 216
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Complete list of divisors:
1 2 3 4 5 6 9 10 12 15 18 20 30 36 37 45 47 60 74 83 90 94 111 141 148 166 180 185 188 222 235 249 282 332 333 370 415 423 444 470 498 555 564 666 705 740 747 830 846 940 996 1110 1245 1332 1410 1494 1660 1665 1692 1739 2115 2209 2220 2490 2820 2988 3071 3330 3478 3735 3901 4230 4418 4980 5217 6142 6627 6660 6956 7470 7802 8460 8695 8836 9213 10434 11045 11703 12284 13254 14940 15355 15604 15651 17390 18426 19505 19881 20868 22090 23406 26085 26508 27639 30710 31302 33135 34780 35109 36852 39010 39762 44180 46065 46812 52170 55278 58515 61420 62604 66270 70218 78020 78255 79524 81733 92130 99405 104340 110556 117030 132540 138195 140436 144337 156510 163466 175545 183347 184260 198810 234060 245199 276390 288674 313020 326932 351090 366694 397620 408665 433011 490398 550041 552780 577348 702180 721685 733388 735597 817330 866022 916735 980796 1100082 1225995 1299033 1443370 1471194 1634660 1650123 1732044 1833470 2165055 2200164 2451990 2598066 2750205 2886740 2942388 3300246 3666940 3677985 4330110 4903980 5196132 5500410 6495165 6600492 6783839 7355970 8250615 8660220 11000820 12990330 13567678 14711940 16501230 20351517 25980660 27135356 33002460 33919195 40703034 61054551 67838390 81406068 101757585 122109102 135676780 203515170 244218204 305272755 407030340 610545510 1221091020
- Sum of all divisors σ(n): 3933571824
- Sum of proper divisors (its aliquot sum) s(n): 2712480804
- 1221091020 is an abundant number, because the sum of its proper divisors (2712480804) is greater than itself. Its abundance is 1491389784
Bases of 1221091020
- Binary: 10010001100100001011110110011002
- Hexadecimal: 0x48C85ECC
- Base-36: K707V0
Squares and roots of 1221091020
- 1221091020 squared (12210910202) is 1491063279124640400
- 1221091020 cubed (12210910203) is 1820723980390851853169208000
-
The
square root of 1221091020 is 34944.1128088839 -
The
cube root of 1221091020 is 1068.8481563691
Scales and comparisons
How big is 1221091020?- 1,221,091,020 seconds is equal to 38 years, 42 weeks, 6 days, 23 hours, 57 minutes.
-
To count from 1 to 1,221,091,020 would take you about seventy-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 1221091020 cubic inches would be around 89.1 feet tall.
Recreational maths with 1221091020
- 1221091020 backwards is 0201901221
- 1221091020 is a
Harshad number . - The number of decimal digits it has is: 10
- The sum of 1221091020's digits is 18
- More coming soon!
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The information we have on file for 1221091020 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!
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