20801489408

Names of 20801489408

• Cardinal: 20801489408 can be written as Twenty billion, eight hundred one million, four hundred eighty-nine thousand, four hundred eight.

Scientific notation

• Scientific notation: 2.0801489408 × 10¹⁰

Factors of 20801489408

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 196

Divisors of 20801489408

• Number of divisors d(n): 360
• Complete list of divisors:
  1 2 4 7 8 14 16 17 19 28 32 34 38 49 56 64 68 76 98 112 119 128 133 136 151 152 196 224 238 256 266 272 289 302 304 323 392 448 476 512 532 544 578 604 608 646 784 833 896 931 952 1057 1064 1088 1156 1208 1216 1292 1568 1666 1792 1862 1904 2023 2114 2128 2176 2261 2312 2416 2432 2567 2584 2869 3136 3332 3584 3724 3808 4046 4228 4256 4352 4522 4624 4832 4864 5134 5168 5491 5738 6272 6664 7399 7448 7616 8092 8456 8512 8704 9044 9248 9664 9728 10268 10336 10982 11476 12544 13328 14161 14798 14896 15232 15827 16184 16912 17024 17969 18088 18496 19328 20083 20536 20672 21964 22952 25088 26656 28322 29596 29792 30464 31654 32368 33824 34048 35938 36176 36992 38437 38656 40166 41072 41344 43639 43928 45904 48773 53312 56644 59192 59584 60928 63308 64736 67648 68096 71876 72352 73984 76874 77312 80332 82144 82688 87278 87856 91808 97546 106624 113288 118384 119168 125783 126616 129472 135296 140581 143752 144704 147968 153748 160664 164288 165376 174556 175712 183616 195092 213248 226576 236768 238336 251566 253232 258944 269059 270592 281162 287504 289408 305473 307496 321328 328576 341411 349112 351424 367232 390184 426496 453152 473536 476672 503132 506464 517888 538118 541184 562324 575008 578816 610946 614992 642656 657152 682822 698224 702848 734464 780368 829141 906304 947072 1006264 1012928 1035776 1076236 1124648 1150016 1157632 1221892 1229984 1285312 1314304 1365644 1396448 1405696 1468928 1560736 1658282 1812608 1894144 2012528 2025856 2138311 2152472 2249296 2300032 2389877 2443784 2459968 2570624 2731288 2792896 2811392 3121472 3316564 3625216 3788288 4025056 4051712 4276622 4304944 4498592 4600064 4779754 4887568 4919936 5141248 5462576 5585792 5803987 6242944 6633128 7250432 8050112 8103424 8553244 8609888 8997184 9200128 9559508 9775136 9839872 10282496 10925152 11171584 11607974 12485888 13266256 16100224 17106488 17219776 17994368 19119016 19550272 19679744 21850304 22343168 23215948 24971776 26532512 32200448 34212976 34439552 35988736 38238032 39100544 40627909 43700608 46431896 53065024 64400896 68425952 68879104 71977472 76476064 78201088 81255818 87401216 92863792 106130048 136851904 137758208 152952128 156402176 162511636 174802432 185727584 212260096 273703808 305904256 325023272 371455168 424520192 547407616 611808512 650046544 742910336 1094815232 1223617024 1300093088 1485820672 2600186176 2971641344 5200372352 10400744704 20801489408
• Sum of all divisors σ(n): 54420490080
• Sum of proper divisors (its aliquot sum) s(n): 33619000672
• 20801489408 is an abundant number, because the sum of its proper divisors (33619000672) is greater than itself. Its abundance is 12817511264

Bases of 20801489408

• Binary: 10011010111110111011000101000000000₂
• Hexadecimal: 0x4D7DD8A00
• Base-36: 9K0O3Y8

Squares and roots of 20801489408

• 20801489408 squared (20801489408²) is 432701961591136190464
• 20801489408 cubed (20801489408³) is 9000845270858842292622366605312
• The square root of 20801489408 is 144227.2145193133
• The cube root of 20801489408 is 2750.2033748435

Scales and comparisons

• 20,801,489,408 seconds is equal to 661 years, 21 weeks, 6 days, 23 hours, 30 minutes, 8 seconds.
• To count from 1 to 20,801,489,408 would take you about one thousand, three hundred twenty-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 20801489408 cubic inches would be around 229.2 feet tall.

Recreational maths with 20801489408

• 20801489408 backwards is 80498410802
• The number of decimal digits it has is: 11
• The sum of 20801489408's digits is 44
• More coming soon!