102155742

Names of 102155742

• Cardinal: 102155742 can be written as One hundred two million, one hundred fifty-five thousand, seven hundred forty-two.

Scientific notation

• Scientific notation: 1.02155742 × 10⁸

Factors of 102155742

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 97

Divisors of 102155742

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 6 9 13 18 19 23 26 27 37 38 39 46 54 57 69 74 78 81 111 114 117 138 162 171 207 222 234 243 247 299 333 342 351 414 437 481 486 494 513 598 621 666 702 703 741 851 874 897 962 999 1026 1053 1242 1311 1406 1443 1482 1539 1702 1794 1863 1998 2106 2109 2223 2553 2622 2691 2886 2997 3078 3159 3726 3933 4218 4329 4446 4617 5106 5382 5589 5681 5994 6318 6327 6669 7659 7866 8073 8658 8991 9139 9234 11063 11178 11362 11799 12654 12987 13338 15318 16146 16169 17043 17982 18278 18981 20007 22126 22977 23598 24219 25974 27417 32338 33189 34086 35397 37962 38961 40014 45954 48438 48507 51129 54834 56943 60021 66378 68931 70794 72657 77922 82251 97014 99567 102258 106191 113886 116883 120042 137862 145314 145521 153387 164502 170829 199134 206793 210197 212382 233766 246753 291042 298701 306774 341658 413586 420394 436563 460161 493506 597402 630591 740259 873126 896103 920322 1261182 1309689 1380483 1480518 1792206 1891773 2220777 2619378 2688309 2760966 3783546 3929067 4441554 5376618 5675319 7858134 11350638 17025957 34051914 51077871 102155742
• Sum of all divisors σ(n): 278853120
• Sum of proper divisors (its aliquot sum) s(n): 176697378
• 102155742 is an abundant number, because the sum of its proper divisors (176697378) is greater than itself. Its abundance is 74541636

Bases of 102155742

• Binary: 110000101101100010111011110₂
• Hexadecimal: 0x616C5DE
• Base-36: 1OTJVI

Squares and roots of 102155742

• 102155742 squared (102155742²) is 10435795623570564
• 102155742 cubed (102155742³) is 1066076445286203654778488
• The square root of 102155742 is 10107.2123753289
• The cube root of 102155742 is 467.4705551149

Scales and comparisons

• 102,155,742 seconds is equal to 3 years, 12 weeks, 6 days, 8 hours, 35 minutes, 42 seconds.
• To count from 1 to 102,155,742 would take you about four 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 102155742 cubic inches would be around 39 feet tall.

Recreational maths with 102155742

• 102155742 backwards is 247551201
• 102155742 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 102155742's digits is 27
• More coming soon!