1221945729472
1,221,945,729,472 is an even composite number composed of six prime numbers multiplied together.
1221945729472 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of two hundred twenty-four divisors.
Prime factorization of 1221945729472:
26 × 13 × 37 × 71 × 271 × 2063
(2 × 2 × 2 × 2 × 2 × 2 × 13 × 37 × 71 × 271 × 2063)See below for interesting mathematical facts about the number 1221945729472 from the Numbermatics database.
Names of 1221945729472
- Cardinal: 1221945729472 can be written as One trillion, two hundred twenty-one billion, nine hundred forty-five million, seven hundred twenty-nine thousand, four hundred seventy-two.
Scientific notation
- Scientific notation: 1.221945729472 × 1012
Factors of 1221945729472
Divisors of 1221945729472
- Number of divisors d(n): 224
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Complete list of divisors:
1 2 4 8 13 16 26 32 37 52 64 71 74 104 142 148 208 271 284 296 416 481 542 568 592 832 923 962 1084 1136 1184 1846 1924 2063 2168 2272 2368 2627 3523 3692 3848 4126 4336 4544 5254 7046 7384 7696 8252 8672 10027 10508 14092 14768 15392 16504 17344 19241 20054 21016 26819 28184 29536 30784 33008 34151 38482 40108 42032 53638 56368 59072 66016 68302 76331 76964 80216 84064 107276 112736 130351 132032 136604 146473 152662 153928 160432 168128 214552 225472 250133 260702 273208 292946 305324 307856 320864 429104 500266 521404 546416 559073 585892 610648 615712 641728 711917 858208 992303 1000532 1042808 1092832 1118146 1171784 1221296 1231424 1423834 1716416 1904149 1984606 2001064 2085616 2185664 2236292 2343568 2442592 2847668 3808298 3969212 4002128 4171232 4472584 4687136 4885184 5419501 5695336 7267949 7616596 7938424 8004256 8342464 8945168 9254921 9374272 10839002 11390672 14535898 15233192 15876848 16008512 17890336 18509842 20685701 21678004 22781344 29071796 30466384 31753696 35780672 37019684 39694183 41371402 43356008 45562688 58143592 60932768 63507392 70453513 74039368 79388366 82742804 86712016 116287184 121865536 140907026 148078736 158776732 165485608 173424032 232574368 268914113 281814052 296157472 317553464 330971216 346848064 465148736 516024379 537828226 563628104 592314944 635106928 661942432 1032048758 1075656452 1127256208 1270213856 1323884864 1468684771 2064097516 2151312904 2254512416 2540427712 2937369542 4128195032 4302625808 4509024832 5874739084 8256390064 8605251616 11749478168 16512780128 17210503232 19092902023 23498956336 33025560256 38185804046 46997912672 76371608092 93995825344 152743216184 305486432368 610972864736 1221945729472
- Sum of all divisors σ(n): 2731029848064
- Sum of proper divisors (its aliquot sum) s(n): 1509084118592
- 1221945729472 is an abundant number, because the sum of its proper divisors (1509084118592) is greater than itself. Its abundance is 287138389120
Bases of 1221945729472
- Binary: 100011100100000011010010000100001110000002
- Hexadecimal: 0x11C81A421C0
- Base-36: FLCQXR5S
Squares and roots of 1221945729472
- 1221945729472 squared (12219457294722) is 1493151365774858209398784
- 1221945729472 cubed (12219457294723) is 1824549934863872209201164841429762048
-
The
square root of 1221945729472 is 1105416.5411608423 -
The
cube root of 1221945729472 is 10690.9748028297
Scales and comparisons
How big is 1221945729472?- 1,221,945,729,472 seconds is equal to 38,854 years, 4 weeks, 6 days, 9 hours, 17 minutes, 52 seconds.
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To count from 1 to 1,221,945,729,472 would take you about ninety-seven thousand, one 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 1221945729472 cubic inches would be around 890.9 feet tall.
Recreational maths with 1221945729472
- 1221945729472 backwards is 2749275491221
- The number of decimal digits it has is: 13
- The sum of 1221945729472's digits is 55
- More coming soon!
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