1989002253868

Names of 1989002253868

• Cardinal: 1989002253868 can be written as One trillion, nine hundred eighty-nine billion, two million, two hundred fifty-three thousand, eight hundred sixty-eight.

Scientific notation

• Scientific notation: 1.989002253868 × 10¹²

Factors of 1989002253868

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 504

Divisors of 1989002253868

• Number of divisors d(n): 162
• Complete list of divisors:
  1 2 4 7 14 28 31 49 62 67 98 124 134 196 217 268 397 434 469 794 868 938 961 1519 1588 1876 1922 2077 2779 3038 3283 3844 4154 5558 6076 6566 6727 8308 11116 12307 13132 13454 14539 19453 24614 26599 26908 29078 38906 47089 49228 53198 58156 64387 77812 86149 94178 101773 106396 128774 157609 172298 186193 188356 203546 257548 315218 344596 372386 381517 407092 450709 603043 630436 744772 763034 824569 901418 1103263 1206086 1303351 1526068 1649138 1802836 2206526 2412172 2606702 2670619 3154963 3298276 4413052 4885879 5213404 5341238 5771983 6309926 7722841 9771758 10559803 10682476 11543966 12619852 15445682 18694333 19543516 21119606 23087932 25561639 30891364 34201153 37388666 40403881 42239212 51123278 68402306 73918621 74777332 80807762 102246556 136804612 147837242 151462249 161615524 178931473 239408071 295674484 302924498 327353893 357862946 478816142 517430347 605848996 654707786 715725892 957632284 1034860694 1060235743 1252520311 1309415572 2069721388 2120471486 2291477251 2505040622 4240942972 4582954502 5010081244 7421650201 9165909004 10147970683 14843300402 16040340757 20295941366 29686600804 32080681514 40591882732 64161363028 71035794781 142071589562 284143179124 497250563467 994501126934 1989002253868
• Sum of all divisors σ(n): 4257036602532
• Sum of proper divisors (its aliquot sum) s(n): 2268034348664
• 1989002253868 is an abundant number, because the sum of its proper divisors (2268034348664) is greater than itself. Its abundance is 279032094796

Bases of 1989002253868

• Binary: 11100111100011001110001011101011000101100₂
• Hexadecimal: 0x1CF19C5D62C
• Base-36: PDQGL5BG

Squares and roots of 1989002253868

• 1989002253868 squared (1989002253868²) is 3956129965891983920961424
• 1989002253868 cubed (1989002253868³) is 7868751418753889983826288305482788032
• The square root of 1989002253868 is 1410319.9118880793
• The cube root of 1989002253868 is 12576.0742194079

Scales and comparisons

• 1,989,002,253,868 seconds is equal to 63,244 years, 6 weeks, 1 day, 10 hours, 4 minutes, 28 seconds.
• To count from 1 to 1,989,002,253,868 would take you about one hundred fifty-eight thousand, one hundred ten 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 1989002253868 cubic inches would be around 1048 feet tall.

Recreational maths with 1989002253868

• 1989002253868 backwards is 8683522009891
• The number of decimal digits it has is: 13
• The sum of 1989002253868's digits is 61
• More coming soon!