21107533248

Names of 21107533248

• Cardinal: 21107533248 can be written as Twenty-one billion, one hundred seven million, five hundred thirty-three thousand, two hundred forty-eight.

Scientific notation

• Scientific notation: 2.1107533248 × 10¹⁰

Factors of 21107533248

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 1202

Divisors of 21107533248

• Number of divisors d(n): 168
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 32 36 48 64 72 96 131 144 192 262 288 393 467 524 576 599 786 934 1048 1179 1198 1401 1572 1797 1868 2096 2358 2396 2802 3144 3594 3736 4192 4203 4716 4792 5391 5604 6288 7188 7472 8384 8406 9432 9584 10782 11208 12576 14376 14944 16812 18864 19168 21564 22416 25152 28752 29888 33624 37728 38336 43128 44832 57504 61177 67248 75456 78469 86256 89664 115008 122354 134496 156938 172512 183531 235407 244708 268992 279733 313876 345024 367062 470814 489416 550593 559466 627752 706221 734124 839199 941628 978832 1101186 1118932 1255504 1412442 1468248 1678398 1883256 1957664 2202372 2237864 2511008 2517597 2824884 2936496 3356796 3766512 3915328 4404744 4475728 5022016 5035194 5649768 5872992 6713592 7533024 8809488 8951456 10070388 11299536 11745984 13427184 15066048 17618976 17902912 20140776 22599072 26854368 35237952 36645023 40281552 45198144 53708736 73290046 80563104 109935069 146580092 161126208 219870138 293160184 329805207 439740276 586320368 659610414 879480552 1172640736 1319220828 1758961104 2345281472 2638441656 3517922208 5276883312 7035844416 10553766624 21107533248
• Sum of all divisors σ(n): 61195305600
• Sum of proper divisors (its aliquot sum) s(n): 40087772352
• 21107533248 is an abundant number, because the sum of its proper divisors (40087772352) is greater than itself. Its abundance is 18980239104

Bases of 21107533248

• Binary: 10011101010000110110110010111000000₂
• Hexadecimal: 0x4EA1B65C0
• Base-36: 9P2VOW0

Squares and roots of 21107533248

• 21107533248 squared (21107533248²) is 445527959815425429504
• 21107533248 cubed (21107533248³) is 9403996224717700196520360148992
• The square root of 21107533248 is 145284.3186582777
• The cube root of 21107533248 is 2763.6253053301

Scales and comparisons

• 21,107,533,248 seconds is equal to 671 years, 8 weeks, 3 hours, 40 minutes, 48 seconds.
• To count from 1 to 21,107,533,248 would take you about one thousand, three hundred forty-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 21107533248 cubic inches would be around 230.3 feet tall.

Recreational maths with 21107533248

• 21107533248 backwards is 84233570112
• 21107533248 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21107533248's digits is 36
• More coming soon!