21081476241920

Names of 21081476241920

• Cardinal: 21081476241920 can be written as Twenty-one trillion, eighty-one billion, four hundred seventy-six million, two hundred forty-one thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 2.108147624192 × 10¹³

Factors of 21081476241920

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 14915

Divisors of 21081476241920

• Number of divisors d(n): 320
• Complete list of divisors:
  1 2 4 5 8 10 16 17 20 32 34 37 40 64 68 74 80 85 128 136 148 160 170 185 256 272 296 320 340 370 512 544 592 629 640 680 740 941 1088 1184 1258 1280 1360 1480 1882 2176 2368 2516 2560 2720 2960 3145 3764 4352 4705 4736 5032 5440 5920 6290 7528 8704 9410 9472 10064 10880 11840 12580 13913 15056 15997 18820 18944 20128 21760 23680 25160 27826 30112 31994 34817 37640 40256 43520 47360 50320 55652 60224 63988 69565 69634 75280 79985 80512 94720 100640 111304 120448 127976 139130 139268 150560 159970 161024 174085 201280 222608 236521 240896 255952 278260 278536 301120 319940 322048 348170 402560 445216 473042 481792 511904 514781 556520 557072 591889 602240 639880 696340 805120 890432 946084 1023808 1029562 1113040 1114144 1182605 1183778 1204480 1279760 1392680 1610240 1780864 1892168 2047616 2059124 2226080 2228288 2365210 2367556 2408960 2559520 2573905 2785360 2959445 3561728 3784336 4095232 4118248 4452160 4456576 4730420 4735112 5119040 5147810 5570720 5918890 7123456 7568672 8190464 8236496 8751277 8904320 8913152 9460840 9470224 10238080 10295620 11141440 11837780 13092133 15137344 16472992 17502554 17808640 17826304 18921680 18940448 20476160 20591240 22282880 23675560 26184266 30274688 32945984 35005108 35617280 37843360 37880896 40952320 41182480 43756385 44565760 47351120 52368532 60549376 65460665 65891968 70010216 75686720 75761792 82364960 87512770 89131520 94702240 104737064 121098752 130921330 131783936 140020432 151373440 151523584 164729920 175025540 189404480 209474128 222566261 261842660 263567872 280040864 302746880 303047168 329459840 350051080 378808960 418948256 445132522 484408921 523685320 560081728 605493760 658919680 700102160 757617920 837896512 890265044 968817842 1047370640 1112831305 1120163456 1317839360 1400204320 1515235840 1675793024 1780530088 1937635684 2094741280 2225662610 2240326912 2422044605 2800408640 3351586048 3561060176 3875271368 4189482560 4451325220 4480653824 4844089210 5600817280 6703172096 7122120352 7750542736 8234951657 8378965120 8902650440 9688178420 11201634560 14244240704 15501085472 16469903314 16757930240 17805300880 19376356840 22403269120 28488481408 31002170944 32939806628 33515860480 35610601760 38752713680 41174758285 56976962816 62004341888 65879613256 71221203520 77505427360 82349516570 113953925632 124008683776 131759226512 142442407040 155010854720 164699033140 248017367552 263518453024 284884814080 310021709440 329398066280 527036906048 569769628160 620043418880 658796132560 1054073812096 1240086837760 1317592265120 2108147624192 2635184530240 4216295248384 5270369060480 10540738120960 21081476241920
• Sum of all divisors σ(n): 55028273563296
• Sum of proper divisors (its aliquot sum) s(n): 33946797321376
• 21081476241920 is an abundant number, because the sum of its proper divisors (33946797321376) is greater than itself. Its abundance is 12865321079456

Bases of 21081476241920

• Binary: 100110010110001101001111001110001101000000000₂
• Hexadecimal: 0x132C69E71A00
• Base-36: 7H0P2NABK

Squares and roots of 21081476241920

• 21081476241920 squared (21081476241920²) is 444428640538637406365286400
• 21081476241920 cubed (21081476241920³) is 9369211826744088274099193822616485888000
• The square root of 21081476241920 is 4591456.8757552325
• The cube root of 21081476241920 is 27624.8761587023

Scales and comparisons

• 21,081,476,241,920 seconds is equal to 670,325 years, 38 weeks, 1 day, 14 hours, 45 minutes, 20 seconds.
• To count from 1 to 21,081,476,241,920 would take you about one million, six hundred seventy-five thousand, eight hundred fourteen 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 21081476241920 cubic inches would be around 2302.1 feet tall.

Recreational maths with 21081476241920

• 21081476241920 backwards is 02914267418012
• The number of decimal digits it has is: 14
• The sum of 21081476241920's digits is 47
• More coming soon!