640224626145

Names of 640224626145

• Cardinal: 640224626145 can be written as Six hundred forty billion, two hundred twenty-four million, six hundred twenty-six thousand, one hundred forty-five.

Scientific notation

• Scientific notation: 6.40224626145 × 10¹¹

Factors of 640224626145

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 716

Divisors of 640224626145

• Number of divisors d(n): 256
• Complete list of divisors:
  1 3 5 13 15 19 31 39 57 65 67 93 95 155 195 201 247 271 285 307 335 403 465 589 741 813 871 921 1005 1209 1235 1273 1355 1535 1767 2015 2077 2613 2945 3523 3705 3819 3991 4065 4355 4605 5149 5833 6045 6231 6365 7657 8401 8835 9517 10385 10569 11973 13065 15447 16549 17499 17615 18157 19095 19955 20569 22971 25203 25745 27001 28551 29165 31155 38285 39463 42005 47585 49647 52845 54471 59865 61707 66937 75829 77235 81003 82745 83197 87495 90785 102845 109213 114855 118389 123721 126015 135005 142755 159619 180823 197315 200811 227487 236041 248235 249591 267397 272355 308535 327639 334685 344983 371163 379145 390811 405015 415985 478857 513019 542469 546065 562867 591945 618605 637639 708123 798095 802191 904115 1004055 1034949 1081561 1137435 1172433 1180205 1247955 1336985 1539057 1580743 1638195 1688601 1724915 1855815 1912917 1954055 2075047 2350699 2394285 2565095 2579107 2712345 2814335 3188195 3244683 3540615 4010955 4484779 4742229 5080543 5174745 5407805 5574199 5862165 6225141 7052097 7317271 7695285 7737321 7903715 8289307 8443005 9564585 10375235 10694473 11753495 12115141 12895535 13454337 15241629 16223415 16722597 20549659 21951813 22423895 23711145 24867921 25402715 27870995 31125705 32083419 33528391 35260485 36345423 36586355 38686605 41446535 49003033 53472365 60575705 61648977 67271685 72464587 76208145 83612985 100585173 102748295 105909781 109759065 124339605 139028149 147009099 157496833 160417095 167641955 172800169 181727115 217393761 245015165 308244885 317729343 362322935 417084447 472490499 502925865 518400507 529548905 637039429 695140745 735045495 787484165 864000845 1086968805 1376827153 1588646715 1911118287 2085422235 2246402197 2362452495 2592002535 3185197145 3283203211 4130481459 6739206591 6884135765 9555591435 9849609633 11232010985 16416016055 20652407295 33696032955 42681641743 49248048165 128044925229 213408208715 640224626145
• Sum of all divisors σ(n): 1225032990720
• Sum of proper divisors (its aliquot sum) s(n): 584808364575
• 640224626145 is a deficient number, because the sum of its proper divisors (584808364575) is less than itself. Its deficiency is 55416261570

Bases of 640224626145

• Binary: 1001010100010000010111001000010111100001₂
• Hexadecimal: 0x95105C85E1
• Base-36: 86457N4X

Squares and roots of 640224626145

• 640224626145 squared (640224626145²) is 409887571922505017561025
• 640224626145 cubed (640224626145³) is 262420117495567573779893890347998625
• The square root of 640224626145 is 800140.3790242059
• The cube root of 640224626145 is 8618.7468554449

Scales and comparisons

• 640,224,626,145 seconds is equal to 20,357 years, 8 weeks, 3 days, 5 hours, 55 minutes, 45 seconds.
• To count from 1 to 640,224,626,145 would take you about forty thousand, seven hundred fourteen 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 640224626145 cubic inches would be around 718.2 feet tall.

Recreational maths with 640224626145

• 640224626145 backwards is 541626422046
• The number of decimal digits it has is: 12
• The sum of 640224626145's digits is 42
• More coming soon!