72890961220
72,890,961,220 is an even composite number composed of six prime numbers multiplied together.
What does the number 72890961220 look like?
This visualization shows the relationship between its 6 prime factors (large circles) and 144 divisors.
72890961220 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of one hundred forty-four divisors.
Prime factorization of 72890961220:
22 × 5 × 7 × 11 × 192 × 131113
(2 × 2 × 5 × 7 × 11 × 19 × 19 × 131113)See below for interesting mathematical facts about the number 72890961220 from the Numbermatics database.
Names of 72890961220
- Cardinal: 72890961220 can be written as Seventy-two billion, eight hundred ninety million, nine hundred sixty-one thousand, two hundred twenty.
Scientific notation
- Scientific notation: 7.289096122 × 1010
Factors of 72890961220
Divisors of 72890961220
- Number of divisors d(n): 144
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Complete list of divisors:
1 2 4 5 7 10 11 14 19 20 22 28 35 38 44 55 70 76 77 95 110 133 140 154 190 209 220 266 308 361 380 385 418 532 665 722 770 836 1045 1330 1444 1463 1540 1805 2090 2527 2660 2926 3610 3971 4180 5054 5852 7220 7315 7942 10108 12635 14630 15884 19855 25270 27797 29260 39710 50540 55594 79420 111188 131113 138985 262226 277970 524452 555940 655565 917791 1311130 1442243 1835582 2491147 2622260 2884486 3671164 4588955 4982294 5768972 7211215 9177910 9964588 10095701 12455735 14422430 17438029 18355820 20191402 24911470 27402617 28844860 34876058 40382804 47331793 49822940 50478505 54805234 69752116 87190145 94663586 100957010 109610468 137013085 174380290 189327172 191818319 201914020 236658965 274026170 331322551 348760580 383636638 473317930 520649723 548052340 662645102 767273276 946635860 959091595 1041299446 1325290204 1656612755 1918183190 2082598892 2603248615 3313225510 3644548061 3836366380 5206497230 6626451020 7289096122 10412994460 14578192244 18222740305 36445480610 72890961220
- Sum of all divisors σ(n): 201416277888
- Sum of proper divisors (its aliquot sum) s(n): 128525316668
- 72890961220 is an abundant number, because the sum of its proper divisors (128525316668) is greater than itself. Its abundance is 55634355448
Bases of 72890961220
- Binary: 10000111110001010001111001101010001002
- Hexadecimal: 0x10F8A3CD44
- Base-36: XHHE9MS
Squares and roots of 72890961220
- 72890961220 squared (728909612202) is 5313092227575543888400
- 72890961220 cubed (728909612203) is 387276399518492384189772407848000
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The
square root of 72890961220 is 269983.2609996403 -
The
cube root of 72890961220 is 4177.2572916737
Scales and comparisons
How big is 72890961220?- 72,890,961,220 seconds is equal to 2,317 years, 36 weeks, 5 days, 9 hours, 13 minutes, 40 seconds.
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To count from 1 to 72,890,961,220 would take you about four thousand, six hundred thirty-five 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 72890961220 cubic inches would be around 348.1 feet tall.
Recreational maths with 72890961220
- 72890961220 backwards is 02216909827
- The number of decimal digits it has is: 11
- The sum of 72890961220's digits is 46
- More coming soon!
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