21308977152

Names of 21308977152

• Cardinal: 21308977152 can be written as Twenty-one billion, three hundred eight million, nine hundred seventy-seven thousand, one hundred fifty-two.

Scientific notation

• Scientific notation: 2.1308977152 × 10¹⁰

Factors of 21308977152

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 19
• Sum of prime factors: 355

Divisors of 21308977152

• Number of divisors d(n): 312
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 64 72 79 81 96 108 128 144 158 162 192 216 237 243 256 271 288 316 324 384 432 474 486 512 542 576 632 648 711 768 813 864 948 972 1024 1084 1152 1264 1296 1422 1536 1626 1728 1896 1944 2048 2133 2168 2304 2439 2528 2592 2844 3072 3252 3456 3792 3888 4096 4266 4336 4608 4878 5056 5184 5688 6144 6399 6504 6912 7317 7584 7776 8532 8672 9216 9756 10112 10368 11376 12288 12798 13008 13824 14634 15168 15552 17064 17344 18432 19197 19512 20224 20736 21409 21951 22752 25596 26016 27648 29268 30336 31104 34128 34688 36864 38394 39024 40448 41472 42818 43902 45504 51192 52032 55296 58536 60672 62208 64227 65853 68256 69376 76788 78048 80896 82944 85636 87804 91008 102384 104064 110592 117072 121344 124416 128454 131706 136512 138752 153576 156096 161792 165888 171272 175608 182016 192681 204768 208128 234144 242688 248832 256908 263412 273024 277504 307152 312192 323584 331776 342544 351216 364032 385362 409536 416256 468288 485376 497664 513816 526824 546048 555008 578043 614304 624384 685088 702432 728064 770724 819072 832512 936576 970752 995328 1027632 1053648 1092096 1110016 1156086 1228608 1248768 1370176 1404864 1456128 1541448 1638144 1665024 1734129 1873152 2055264 2107296 2184192 2312172 2457216 2497536 2740352 2809728 2912256 3082896 3276288 3330048 3468258 3746304 4110528 4214592 4368384 4624344 4914432 4995072 5202387 5480704 5619456 6165792 6552576 6936516 7492608 8221056 8429184 8736768 9248688 9828864 9990144 10404774 10961408 11238912 12331584 13105152 13873032 14985216 16442112 16858368 18497376 19657728 20809548 21922816 22477824 24663168 26210304 27746064 29970432 32884224 33716736 36994752 39315456 41619096 43845632 44955648 49326336 55492128 65768448 67433472 73989504 78630912 83238192 87691264 89911296 98652672 110984256 131536896 134866944 147979008 166476384 197305344 221968512 263073792 269733888 295958016 332952768 394610688 443937024 591916032 665905536 789221376 887874048 1183832064 1331811072 1775748096 2367664128 2663622144 3551496192 5327244288 7102992384 10654488576 21308977152
• Sum of all divisors σ(n): 64877962240
• Sum of proper divisors (its aliquot sum) s(n): 43568985088
• 21308977152 is an abundant number, because the sum of its proper divisors (43568985088) is greater than itself. Its abundance is 22260007936

Bases of 21308977152

• Binary: 10011110110000111010011000000000000₂
• Hexadecimal: 0x4F61D3000
• Base-36: 9SETC00

Squares and roots of 21308977152

• 21308977152 squared (21308977152²) is 454072507264458031104
• 21308977152 cubed (21308977152³) is 9675820682649690206458041335808
• The square root of 21308977152 is 145975.9471693881
• The cube root of 21308977152 is 2772.3892184117

Scales and comparisons

• 21,308,977,152 seconds is equal to 677 years, 29 weeks, 16 hours, 19 minutes, 12 seconds.
• To count from 1 to 21,308,977,152 would take you about one thousand, three hundred fifty-five 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 21308977152 cubic inches would be around 231 feet tall.

Recreational maths with 21308977152

• 21308977152 backwards is 25177980312
• The number of decimal digits it has is: 11
• The sum of 21308977152's digits is 45
• More coming soon!