168880140

Names of 168880140

• Cardinal: 168880140 can be written as One hundred sixty-eight million, eight hundred eighty thousand, one hundred forty.

Scientific notation

• Scientific notation: 1.6888014 × 10⁸

Factors of 168880140

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 34

Divisors of 168880140

• Number of divisors d(n): 264
• Complete list of divisors:
  1 2 3 4 5 6 9 10 11 12 13 15 18 20 22 26 27 30 33 36 39 44 45 52 54 55 60 65 66 78 81 90 99 108 110 117 130 132 135 143 156 162 165 180 195 198 220 234 243 260 270 286 297 324 330 351 390 396 405 429 468 486 495 540 572 585 594 660 702 715 729 780 810 858 891 972 990 1053 1170 1188 1215 1287 1404 1430 1458 1485 1620 1716 1755 1782 1980 2106 2145 2187 2340 2430 2574 2673 2860 2916 2970 3159 3510 3564 3645 3861 4212 4290 4374 4455 4860 5148 5265 5346 5940 6318 6435 6561 7020 7290 7722 8019 8580 8748 8910 9477 10530 10692 10935 11583 12636 12870 13122 13365 14580 15444 15795 16038 17820 18954 19305 19683 21060 21870 23166 24057 25740 26244 26730 28431 31590 32076 32805 34749 37908 38610 39366 40095 43740 46332 47385 48114 53460 56862 57915 59049 63180 65610 69498 72171 77220 78732 80190 85293 94770 96228 98415 104247 113724 115830 118098 120285 131220 138996 142155 144342 160380 170586 173745 189540 196830 208494 216513 231660 236196 240570 255879 284310 288684 295245 312741 341172 347490 360855 393660 416988 426465 433026 481140 511758 521235 568620 590490 625482 649539 694980 721710 767637 852930 866052 938223 1023516 1042470 1082565 1180980 1250964 1279395 1299078 1443420 1535274 1563705 1705860 1876446 2084940 2165130 2558790 2598156 2814669 3070548 3127410 3247695 3752892 3838185 4330260 4691115 5117580 5629338 6254820 6495390 7676370 8444007 9382230 11258676 12990780 14073345 15352740 16888014 18764460 28146690 33776028 42220035 56293380 84440070 168880140
• Sum of all divisors σ(n): 624971088
• Sum of proper divisors (its aliquot sum) s(n): 456090948
• 168880140 is an abundant number, because the sum of its proper divisors (456090948) is greater than itself. Its abundance is 287210808

Bases of 168880140

• Binary: 1010000100001110100000001100₂
• Hexadecimal: 0xA10E80C
• Base-36: 2SJOR0

Squares and roots of 168880140

• 168880140 squared (168880140²) is 28520501686419600
• 168880140 cubed (168880140³) is 4816546317672778146744000
• The square root of 168880140 is 12995.3891823215
• The cube root of 168880140 is 552.7467445483

Scales and comparisons

• 168,880,140 seconds is equal to 5 years, 19 weeks, 1 day, 15 hours, 9 minutes.
• To count from 1 to 168,880,140 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 168880140 cubic inches would be around 46.1 feet tall.

Recreational maths with 168880140

• 168880140 backwards is 041088861
• 168880140 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 168880140's digits is 36
• More coming soon!