4445157990

Names of 4445157990

• Cardinal: 4445157990 can be written as Four billion, four hundred forty-five million, one hundred fifty-seven thousand, nine hundred ninety.

Scientific notation

• Scientific notation: 4.44515799 × 10⁹

Factors of 4445157990

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 676

Divisors of 4445157990

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 5 6 7 10 13 14 15 21 26 29 30 35 39 42 49 58 65 70 78 87 91 98 105 130 145 147 169 174 182 195 203 210 245 273 290 294 338 377 390 406 435 455 490 507 546 609 617 637 735 754 845 870 910 1014 1015 1131 1183 1218 1234 1274 1365 1421 1470 1690 1851 1885 1911 2030 2262 2366 2535 2639 2730 2842 3045 3085 3185 3549 3702 3770 3822 4263 4319 4901 5070 5278 5655 5915 6090 6170 6370 7098 7105 7917 8021 8281 8526 8638 9255 9555 9802 11310 11830 12957 13195 14210 14703 15834 16042 16562 17745 17893 18473 18510 19110 21315 21595 24063 24505 24843 25914 26390 29406 30233 34307 35490 35786 36946 39585 40105 41405 42630 43190 48126 49010 49686 53679 55419 56147 60466 64785 68614 73515 79170 80210 82810 89465 90699 92365 102921 104273 107358 110838 112294 120315 124215 125251 129570 147030 151165 168441 171535 178930 181398 184730 205842 208546 232609 240149 240630 248430 250502 268395 277095 280735 302330 312819 336882 343070 375753 393029 453495 465218 480298 514605 521365 536790 554190 561470 625638 626255 697827 720447 729911 751506 786058 842205 876757 906990 1029210 1042730 1163045 1179087 1200745 1252510 1395654 1440894 1459822 1564095 1628263 1684410 1753514 1878765 1965145 2189733 2326090 2358174 2401490 2630271 3023917 3128190 3256526 3489135 3602235 3649555 3757530 3930290 4379466 4383785 4884789 5109377 5260542 5895435 6047834 6978270 7204470 7299110 8141315 8767570 9071751 9769578 10218754 10948665 11397841 11790870 13151355 15119585 15328131 16282630 18143502 21167419 21897330 22795682 24423945 25546885 26302710 30239170 30656262 34193523 42334838 45358755 48847890 51093770 56989205 63502257 68387046 76640655 90717510 105837095 113978410 127004514 148171933 153281310 170967615 211674190 296343866 317511285 341935230 444515799 635022570 740859665 889031598 1481719330 2222578995 4445157990
• Sum of all divisors σ(n): 13924133280
• Sum of proper divisors (its aliquot sum) s(n): 9478975290
• 4445157990 is an abundant number, because the sum of its proper divisors (9478975290) is greater than itself. Its abundance is 5033817300

Bases of 4445157990

• Binary: 100001000111100111011101001100110₂
• Hexadecimal: 0x108F3BA66
• Base-36: 21IJ5UU

Squares and roots of 4445157990

• 4445157990 squared (4445157990²) is 19759429556060840100
• 4445157990 cubed (4445157990³) is 87833786168965996296627399000
• The square root of 4445157990 is 66672.0180435541
• The cube root of 4445157990 is 1644.2293659119

Scales and comparisons

• 4,445,157,990 seconds is equal to 141 years, 17 weeks, 5 days, 14 hours, 6 minutes, 30 seconds.
• To count from 1 to 4,445,157,990 would take you about two hundred eighty-two 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 4445157990 cubic inches would be around 137 feet tall.

Recreational maths with 4445157990

• 4445157990 backwards is 0997515444
• The number of decimal digits it has is: 10
• The sum of 4445157990's digits is 48
• More coming soon!