21398733090
21,398,733,090 is an even composite number composed of seven prime numbers multiplied together.
21398733090 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of three hundred eighty-four divisors.
Prime factorization of 21398733090:
2 × 35 × 5 × 7 × 19 × 73 × 907
(2 × 3 × 3 × 3 × 3 × 3 × 5 × 7 × 19 × 73 × 907)See below for interesting mathematical facts about the number 21398733090 from the Numbermatics database.
Names of 21398733090
- Cardinal: 21398733090 can be written as Twenty-one billion, three hundred ninety-eight million, seven hundred thirty-three thousand and ninety.
Scientific notation
- Scientific notation: 2.139873309 × 1010
Factors of 21398733090
Divisors of 21398733090
- Number of divisors d(n): 384
-
Complete list of divisors:
1 2 3 5 6 7 9 10 14 15 18 19 21 27 30 35 38 42 45 54 57 63 70 73 81 90 95 105 114 126 133 135 146 162 171 189 190 210 219 243 266 270 285 315 342 365 378 399 405 438 486 511 513 567 570 630 657 665 730 798 810 855 907 945 1022 1026 1095 1134 1197 1215 1314 1330 1387 1533 1539 1701 1710 1814 1890 1971 1995 2190 2394 2430 2555 2565 2721 2774 2835 3066 3078 3285 3402 3591 3942 3990 4161 4535 4599 4617 5110 5130 5442 5670 5913 5985 6349 6570 6935 7182 7665 7695 8163 8322 8505 9070 9198 9234 9709 9855 10773 11826 11970 12483 12698 13605 13797 13870 15330 15390 16326 17010 17233 17739 17955 19047 19418 19710 20805 21546 22995 23085 24489 24966 27210 27594 29127 29565 31745 32319 34466 35478 35910 37449 38094 40815 41391 41610 45990 46170 48545 48978 51699 53865 57141 58254 59130 62415 63490 64638 66211 68985 73467 74898 81630 82782 86165 87381 88695 95235 97090 103398 107730 112347 114282 120631 122445 124173 124830 132422 137970 145635 146934 155097 161595 171423 172330 174762 177390 187245 190470 198633 206955 220401 224694 241262 244890 248346 258495 262143 285705 291270 310194 323190 331055 337041 342846 361893 367335 374490 397266 413910 436905 440802 463477 465291 514269 516990 524286 561735 571410 595899 603155 620865 662110 674082 723786 734670 775485 786429 857115 873810 926954 930582 993165 1028538 1085679 1102005 1123470 1191798 1206310 1241730 1258009 1310715 1390431 1395873 1542807 1550970 1572858 1685205 1714230 1787697 1809465 1986330 2171358 2204010 2317385 2326455 2359287 2516018 2571345 2621430 2780862 2791746 2979495 3085614 3257037 3370410 3575394 3618930 3774027 3932145 4171293 4187619 4634770 4652910 4718574 5142690 5363091 5428395 5958990 6290045 6514074 6952155 6979365 7548054 7714035 7864290 8342586 8375238 8806063 8938485 9771111 10726182 10856790 11322081 11796435 12513879 12580090 13904310 13958730 15428070 16089273 16285185 17612126 17876970 18870135 19542222 20856465 20938095 22644162 23592870 25027758 26418189 26815455 29313333 32178546 32570370 33966243 37541637 37740270 41712930 41876190 44030315 48855555 52836378 53630910 56610405 58626666 62569395 67932486 75083274 79254567 80446365 88060630 97711110 101898729 112624911 113220810 125138790 132090945 146566665 158509134 160892730 169831215 187708185 203797458 225249822 237763701 264181890 293133330 305696187 339662430 375416370 396272835 475527402 509493645 563124555 611392374 713291103 792545670 1018987290 1126249110 1188818505 1426582206 1528480935 2139873309 2377637010 3056961870 3566455515 4279746618 7132911030 10699366545 21398733090
- Sum of all divisors σ(n): 70438717440
- Sum of proper divisors (its aliquot sum) s(n): 49039984350
- 21398733090 is an abundant number, because the sum of its proper divisors (49039984350) is greater than itself. Its abundance is 27641251260
Bases of 21398733090
- Binary: 100111110110111011011000001001000102
- Hexadecimal: 0x4FB76C122
- Base-36: 9TW944I
Squares and roots of 21398733090
- 21398733090 squared (213987330902) is 457905777857060948100
- 21398733090 cubed (213987330903) is 9798603520732079400254242629000
-
The
square root of 21398733090 is 146283.0581099533 -
The
cube root of 21398733090 is 2776.2763098997
Scales and comparisons
How big is 21398733090?- 21,398,733,090 seconds is equal to 680 years, 21 weeks, 3 days, 12 hours, 31 minutes, 30 seconds.
-
To count from 1 to 21,398,733,090 would take you about one thousand, three hundred sixty 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 21398733090 cubic inches would be around 231.4 feet tall.
Recreational maths with 21398733090
- 21398733090 backwards is 09033789312
- 21398733090 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21398733090's digits is 45
- More coming soon!
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