172228140

Names of 172228140

• Cardinal: 172228140 can be written as One hundred seventy-two million, two hundred twenty-eight thousand, one hundred forty.

Scientific notation

• Scientific notation: 1.7222814 × 10⁸

Factors of 172228140

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 323

Divisors of 172228140

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 5 6 7 9 10 12 14 15 18 20 21 23 27 28 30 35 36 42 45 46 49 54 60 63 69 70 84 90 92 98 105 108 115 126 135 138 140 147 161 180 189 196 207 210 230 245 252 270 276 283 294 315 322 345 378 414 420 441 460 483 490 540 566 588 621 630 644 690 735 756 805 828 849 882 945 966 980 1035 1127 1132 1242 1260 1323 1380 1415 1449 1470 1610 1698 1764 1890 1932 1981 2070 2205 2254 2415 2484 2547 2646 2830 2898 2940 3105 3220 3381 3396 3780 3962 4140 4245 4347 4410 4508 4830 5094 5292 5635 5660 5796 5943 6210 6509 6615 6762 7245 7641 7924 8490 8694 8820 9660 9905 10143 10188 11270 11886 12420 12735 13018 13230 13524 13867 14490 15282 16905 16980 17388 17829 19527 19810 20286 21735 22540 23772 25470 26036 26460 27734 28980 29715 30429 30564 32545 33810 35658 38205 39054 39620 40572 41601 43470 45563 50715 50940 53487 55468 58581 59430 60858 65090 67620 69335 71316 76410 78108 83202 86940 89145 91126 97635 101430 106974 117162 118860 121716 124803 130180 136689 138670 152145 152820 166404 175743 178290 182252 195270 202860 208005 213948 227815 234324 249606 267435 273378 277340 292905 304290 318941 351486 356580 374409 390540 410067 416010 455630 499212 534870 546756 585810 608580 624015 637882 683445 702972 748818 820134 832020 878715 911260 956823 1069740 1171620 1230201 1248030 1275764 1366890 1497636 1594705 1640268 1757430 1872045 1913646 2050335 2460402 2496060 2733780 2870469 3189410 3514860 3744090 3827292 4100670 4784115 4920804 5740938 6151005 6378820 7488180 8201340 8611407 9568230 11481876 12302010 14352345 17222814 19136460 24604020 28704690 34445628 43057035 57409380 86114070 172228140
• Sum of all divisors σ(n): 652700160
• Sum of proper divisors (its aliquot sum) s(n): 480472020
• 172228140 is an abundant number, because the sum of its proper divisors (480472020) is greater than itself. Its abundance is 308243880

Bases of 172228140

• Binary: 1010010000111111111000101100₂
• Hexadecimal: 0xA43FE2C
• Base-36: 2UJG30

Squares and roots of 172228140

• 172228140 squared (172228140²) is 29662532207859600
• 172228140 cubed (172228140³) is 5108722749849752289144000
• The square root of 172228140 is 13123.5719223083
• The cube root of 172228140 is 556.3755506693

Scales and comparisons

• 172,228,140 seconds is equal to 5 years, 24 weeks, 5 days, 9 hours, 9 minutes.
• To count from 1 to 172,228,140 would take you about eight 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 172228140 cubic inches would be around 46.4 feet tall.

Recreational maths with 172228140

• 172228140 backwards is 041822271
• 172228140 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 172228140's digits is 27
• More coming soon!