145429900

Names of 145429900

• Cardinal: 145429900 can be written as One hundred forty-five million, four hundred twenty-nine thousand, nine hundred.

Scientific notation

• Scientific notation: 1.454299 × 10⁸

Factors of 145429900

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 143

Divisors of 145429900

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 4 5 7 10 11 14 17 20 22 25 28 34 35 44 50 55 68 70 77 85 100 101 110 119 121 140 154 170 175 187 202 220 238 242 275 308 340 350 374 385 404 425 476 484 505 550 595 605 700 707 748 770 847 850 935 1010 1100 1111 1190 1210 1309 1414 1540 1694 1700 1717 1870 1925 2020 2057 2222 2380 2420 2525 2618 2828 2975 3025 3388 3434 3535 3740 3850 4114 4235 4444 4675 5050 5236 5555 5950 6050 6545 6868 7070 7700 7777 8228 8470 8585 9350 10100 10285 11110 11900 12019 12100 12221 13090 14140 14399 15554 16940 17170 17675 18700 18887 20570 21175 22220 24038 24442 26180 27775 28798 31108 32725 34340 35350 37774 38885 41140 42350 42925 48076 48884 51425 55550 57596 60095 61105 65450 70700 71995 75548 77770 84700 85547 85850 94435 102850 111100 120190 122210 130900 132209 143990 155540 171094 171700 188870 194425 205700 207757 240380 244420 264418 287980 300475 305525 342188 359975 377740 388850 415514 427735 472175 528836 600950 611050 661045 719950 777700 831028 855470 944350 1038785 1201900 1222100 1322090 1439900 1454299 1710940 1888700 2077570 2138675 2644180 2908598 3305225 4155140 4277350 5193925 5817196 6610450 7271495 8554700 10387850 13220900 14542990 20775700 29085980 36357475 72714950 145429900
• Sum of all divisors σ(n): 423910368
• Sum of proper divisors (its aliquot sum) s(n): 278480468
• 145429900 is an abundant number, because the sum of its proper divisors (278480468) is greater than itself. Its abundance is 133050568

Bases of 145429900

• Binary: 1000101010110001010110001100₂
• Hexadecimal: 0x8AB158C
• Base-36: 2EL2FG

Squares and roots of 145429900

• 145429900 squared (145429900²) is 21149855814010000
• 145429900 cubed (145429900³) is 3075821416045892899000000
• The square root of 145429900 is 12059.4319932575
• The cube root of 145429900 is 525.8774743889

Scales and comparisons

• 145,429,900 seconds is equal to 4 years, 32 weeks, 3 days, 5 hours, 11 minutes, 40 seconds.
• To count from 1 to 145,429,900 would take you about six 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 145429900 cubic inches would be around 43.8 feet tall.

Recreational maths with 145429900

• 145429900 backwards is 009924541
• 145429900 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 145429900's digits is 34
• More coming soon!